Pharmacy Technician Bio Chemistry MCQS

Chapter 1 Pharmacy Technician Bio Chemistry MCQS

1) Biochemistry deals with the study of chemical reactionoccuring within:
           (a) Animals                      (b) Plants                           (c) Microorganisms       (d) Living organisms
2) In Biochemistry the main focus is on structure, function and interactions of biological:
           (a) Environment            (b) Macro molecules      (c) Cells                            (d) Chemicals  
3) A shampoo may be developed that enhances curliness or softness of hairs after the study of characteristics of protein:
           (a) Albumin                    (b) Globulin                      (c) Keratin                       (d) Lipo proteins
4) Biochemical investigations helps for the suggestion of best :
           (a) Food & medicines   (b) Clothe                        (c) Doctor                        (d) Exercise
5) Rickets, Pellagra, Beriberi, scurvy, are the examples of biochemical:
           (a) Toxicity                      (b) Addiction                   (c) Excess                        (d) Deficiencies

Chapter No.2 Pharmacy Technician Bio Chemistry MCQS

6) Human body mass contain water:
           (a) 60% to 70%               (b) 65% to 75%               (c) 75% to 80%              (d) 65% to 70%
7) Pure water is very slightly dissociated therefore called:
           (a) Transparent liquid   (b) Strong electrolyte     (c) Solvent                     (d) Weak electrolyte
8) At 25°C how many molecules of pure water are ionized:
           (a) One                             (b) Two                             (c) Three                        (d) Four
9) pH describes the degree of _______ of a solution :
           (a) Sweetness                 (b) Acidity or alkalinity   (c) Hotness                    (d) Reaction
10) pH scale ranges from:
           (a) 0 to 15                        (b) 1 to 14                       (c) 0 to 100                   (d) 0 to 14
11) pH=?
           (a) –log[H¯]                      (b) –log[H+]                       (c) Log[H2]                     (d) Log[H+]
12) Solution having pH less than 7 are called:
           (a) Basic                            (b) Electrolyte                  (c) Acidic                       (d) Solvent
13) pH of blood is:
           (a) 7.97                             (b) 7.65                              (c) 7.77                          (d) 7.35
14) pH of pure water is close to:
           (a) 8                                   (b) 7                                    (c) 14                             (d) 9
15) Buffer is a compound that resist to changing pH of any solution on slight addition of:
           (a) Salt                               (b) Acidic or basic solu.   (c) Water                       (d) sugar
16) Substances which mostly do not diffuse through membrane are called:
           (a) Colloidal substances (b)  Crystalloids                 (c) Colligative                (d) Precipitates
17) Substances which can easily can pass through membrane are called:
           (a) Buffer                          (b) Osmotic                        (c) Crystalloids             (d) Colloidal substances
18) Sodium chloride is an example of:
           (a) Crystalloids                 (b) Colloids                         (c) Acidic solution        (d) Buffer solution
19) Colligative properties are those which depend on the number of:
           (a) Solvent particles        (b) Solute particles           (c) Solution particles    (d) Gas molecules
20) When number of solute particles increase in the solution:
           (a) Osmotic pressure↑ (b) Freezing point↓          (c) Boiling point ↑        (d) All a,b,c
21) If number of solute particles increases in the solution:
           (a) Vapor pressure↓  (b) V.P remains same       (c) Vapor pressure↑   (d) All
22) Condensation of a gas, vapor, or dissolved substances on the surface of a solid or liquid is called:
           (a) Diffusion                 (b) Passive transport        (c) Adsorption               (d) Osmosis
23) The process in which ions or molecules moves from a region of higher concentration to a region of lower concentration:
           (a) Adsorption              (b) Diffusion                      (c) Passive transport    (d) Active transport
24) Transport of ions and molecules across a cell membrane by diffusion without the application of energy is called:
           (a) Diffusion                  (b) Passive transport      (c) Active transport       (d) Adsorption
25) Movement of molecules across a cell membrane from a region of lower concentration to region of higher concentration with expense of energy:
           (a) Passive transport    (b) Osmosis                       (c) Active transport      (d) Adsorption
26) The process by which a solvent passes from a solution of lower solute concentration to solution of higher solute concentration through a semi-permeable membrane:
           (a) Surface tension      (b) Active transport         (c) Diffusion                   (d) Osmosis
27) A membrane which is permeable to the solvent but not to solute particles I called:
           (a) Permeable memb.    (b) Semi-permeable mem.(c) Cell membrane         (d) Nuclear membrane
28) Osmotic pressure is equal to the:
           (a) Hydrostatic pressure by solvent on semi-permeable membrane             (b) Surface tension
           (c) Blood pressure                                                                                                    (d) Vapor pressure
29) Contractive tendency of the surface of the liquid that allow it to resist an external force is called:
           (a) Turger pressure         (b) Viscosity                         (c) Cohessive forces       (d) Surface tension
30) Internal resistance of the molecules of any liquid to flow is called:
           (a) Osmosis                       (b) Polarity                           (c) Vander wall forces   (d) Viscosity

Chapter No.3 Pharmacy Technician Bio Chemistry MCQS

31) Carbohydrate generally made up of carbon, hydrogen and:
            (a) Nitrogen                     (b) Phosphorus                    (c) Oxygen                       (d) Sulphur
32) Carbohydrates means:
            (a) Sugar                           (b) Salts                                 (c) Hydrated carbon      (d) Both a & c
33) General formula of carbohydrate is:
            (a) C2n(H2O)n                     (b) Cn(HO)n                           (c) Cn(H2O)2                     (d) Cn(H2O)n34) Generally carbohydrate are soluble in:
            (a) Organic liquid             (b) Inorganic liquid             (c) Acidic solution          (d) Water
35) Carbohydrates of low molecular weight have:
            (a) Bitter taste                  (b) Tasteless                        (c) Less sweet taste       (d) Sweet taste
36) There are two types of carbohydrates on the base of functional groups aldehyde and:
            (a) Phosphate group       (b) Ketone group                (c) Amino group              (d) Carbohydrate group
37) Major source of carbohydrate is:
            (a) Animal source            (b) Mineral source              (c) Plant source               (d) Sea water
38) Which one is rich source of carbohydrate is:
            (a) Cereals                         (b) Fruits                               (c) Seeds of cotton         (d) Dry leaves
39) Carbohydrates are the ______ most occuring substance in the nature after water:
            (a) 3rd                                  (b) 4th                                    (c) 6th                                 (d) 2nd
40) Dry weight of plant is due to cellulose:
            (a) 50-60%                         (b) 50-80%                           (c) 50-70%                         (d) 50-65%
41) Process of photosynthesis cannot be done without:
             (a) Light                             (b) shade                              (c) Water                           (d) Both a & c
42) 6CO2 + 6H2O + Light  → C6H12O6 + ————?
             (a) 4H2O                            (b) 2O2                                 (c) 6O2                                               (d) 3O2
43) One gram of carbohydrates provides:
             (a) 2 cal                               (b) 3 cal                               (c) 4 cal                              (d) 5 cal
44) Process of oxidation of carbohydrate is called:
              (a) Respiration                  (b) Expiration                     (c) Hydrolysis                    (d) Hemolysis
45) Respiration reaction is C6H12O6 → CO2 +H2O + ———-?
              (a) L                                     (b) M                                    (c) G                                    (d) E
46) Simple sugars are absorbed directly into blood stream by:
              (a) Small intestine             (b) Skin                                (c) Mouth                           (d) None of these
47) Compound or complex sugars are not absorbed directly into blood, first converted into:
              (a) Polysaccharides           (b) Disaccharides               (c) Oligosaccharides         (d) Monosaccharide
48) Glucose stores in muscles & liver in the form of:
               (a) Insulin                           (b) Maltose                         (c) Sucrose                         (d) Glycogen
49) Carbohydrates are utilized by the body for the production of:
               (a) Proteins                        (b) Amino acids                  (c) Oxygen                          (d) Energy         
50) Energy supplied by carbohydrates to the body is:
               (a) 50 to 60%                     (b) 50 to 70%                      (c) 60 to 80%                     (d) 50 to 80%
51) The effect of carbohydrate on calcium absorption:
               (a) Increase                         (b) Decrease                       (c) No change                  (d) Unknown
52) The effect of carbohydrates on body’s cholesterol level is:
               (a) Increase                         (b) decrease                       (c) No change                    (d) Unknown
53) Friendly bacteria in GIT gets________ from carbohydrates:
                (a) Oxygen                          (b) Nitrogen                      (c) Nutrients                      (d) Protection
54) Which molecules of carbohydrates are more sweet:
                (a) Monosaccharide          (b) Disaccharides            (c) Oligosaccharides         (d) Polysaccharides
55) Simple sugars which cannot be further hydrolysis is called:
                (a) Polysaccharides           (b) Oligosaccharides      (c) Disaccharides              (d) Monosaccharide
56) Empirical formula of monosaccharide with n=3 or larger is:
                (a) (CH2O2)n                                   (b) (CH2O)n                                  (c) (CHO2)n                                          (d) (CH2O4)n
57) Monosaccharide are basic unit of:
                (a) Carbohydrates           (b) Proteins                       (c) Lipids                            (d) Nucleus
58) Which one is not the example of monosaccharide:
                 (a) Glucose                          (b) Raffinose                 (c) Fructose                        (d) Galactose
59) Further hydrolysis of monosaccharide is:
                 (a) Not possible               (b) Possible                       (c) Sometime possible     (d) Difficult
60) Monosaccharide are generally soluble in:
                 (a) Acetone                         (b) Ethanol                     (c) Water                              (d) Ether
61) Monosaccharide have functional groups:
                 (a) Aldoses                         (b) Phosphate                  (c) Ketoses                           (d) Both a & c
62) Glucose is the example of:
                 (a) Aldoses                         (b) Ketoses                        (c) Alkyles                            (d) Oligosaccharides
63) Fructose is the example of:
                 (a) Aldoses                         (b) Ketoses                        (c) Derivatives carbs.         (d) Pentoses
64) Two joined monosaccharide are called:
                 (a) Oligosaccharides         (b) Polysaccharides         (c) Disaccharides                 (d) Pentose sugar
65) Sweetness and molecular mass of disaccharides is greater than:
                (a) Monosaccharide         (b) Oligosaccharides        (c) Proteins                           (d) Polysaccharides
66) If all the sugar molecules in disaccharides are same called:
                 (a) Homeostatic                (b) Homeoserous             (c) Homogenous                  (d) Hetrogenous
67) If all the sugar molecules in disaccharides are different is called:
                 (a) Homogenous              (b) Hetrogenous               (c) Homopolysaccharides  (d) Hetropolysaccharides
68) Which one is not the example of homogenous disaccharides:
                 (a) Sucrose                         (b) Lactose                         (c) Cellulose                         (d) None of these
69) Which one is the example of heterogenousdisaccharides:
                 (a) Sucrose                         (b) Lactose                         (c) Maltose                     (d) Both a & b
70) Oligosaccharides contains monosaccharide:
                 (a) 2                                         (b) 3 to 7                            (c) 3 to 10                             (d) 4 to 11
71) Raffinose is composed of glucose, fructose and:
                 (a) Sucrose                              (b) Galactose                    (c) Dextrose                         (d) Cellulose
72) Polysaccharides are composed of _____ numbers of simple sugar molecules:
                 (a) 1 to 6                                  (b) 3 to 9                           (c) 1 to 9                               (d) More than 10
73) Hydrolysis of Polysaccharides give:
                 (a) Monosaccharide              (b) Disaccharides             (c) Oligosaccharide             (d) All a, b and c
74) Polysaccharides have taste:
                 (a) Sweet                                 (b) Bitter                           (c) Salty                                (d) Tasteless
75) Polysaccharides are optically:
                 (a) Active                                 (b) Not active                   (c) Both a & b                      (d) Negative
76) Polysaccharides serves as stores of______ in the cell:
                 (a) Water                                 (b) Oxygen                        (c) Fuels                                (d) None of these
77) Molecular mass of polysaccharides is:
                 (a) Equal to the oligosaccharides                                   (b) Greater than mono, Di and oligosaccharides
                 (c) Less than Disaccharides                                             (d) Less than oligosaccharides
78) Polysaccharides which on hydrolysis yields monosaccharide of one type are called:
                 (a) Homopolysaccharides                                               (b) Heteropolysaccharides
                 (a) Homogeneous polysaccharides                                (d) Both a & c
79) Which is the example of hetero polysaccharides:
                 (a) Starch                                (b) Glycogen                     (c) Maltose                             (d) Mucilage’s
80) Which is present abundantly in cell wall of plants:
                 (a) Starch                                (b) Cellulose                     (c) Glycogen                            (d) Mucilage’s
81) Which is stored food material in plant grains:
                 (a) Starch                                (b) Cellulose                     (c) Glycogen                            (d) Mucilage’s
82) Which one is stored in animals muscles and liver:
                 (a) Starch                                (b) Cellulose                     (c) Glycogen                            (d) Mucilage’s

Chapter No.4 Pharmacy Technician Bio Chemistry MCQS

83) Steroids, oils and waxes belongs to:
                (a) Carbohydrates                  (b) Lipids                           (c) Proteins                              (d) Nucleic acids
84) Lipids are:
                (a) Soluble in water                (b) Insoluble in water    (c) Soluble in non-polar solv.(d) Both b & c
85) Primary building blocks of lipids are fatty acids and:
                (a) Amino acids                       (b) Glycerol                      (c) Nucleotides                        (d) Monosaccharide
86) An organic acid with a long straight hydrocarbons chain and even number of carbon atoms:
                (a) Amino acids                        (b) Glycerol                      (c) Fatty acid                            (d) Steroids
87) Glycerol is a colorless or yellowish syrupy alcohol with:
                (a) Sweet taste                        (b) Salty taste                  (c) Bitter taste                         (d) Sour taste
88) Oleic acid, stearic acid and butyric acid are the example of:
                (a) Amino acids                       (b) Steroids                       (c) Cholesterol                        (d) Fatty acids
89) Simple lipids are esters of fatty acids with:
                (a) Carbohydrates                  (b) Nucleoproteins            (c) Alcohols                             (d) Alkalis
90) Chemical compound formed by the interaction of acid & alcohol is called:
                (a) Fatty acids                         (b) Steroids                        (c) Waxes                                 (d) Esters
91) Fat in liquid state is called:                (a) Alcohol                               (b) Ether                             (c) Wax                                     (d) Oil
92) Esters of fatty acids with long chain monohydric alcohol called:
                (a) Fats                                     (b) Waxes                           (c) Compound lipids              (d) Resins
93) Secretion of human skin having waxes is called:
                (a) Sweat                                 (b) Sebum                           (c) Oily face                             (d) Pimple
94) Exoskeleton of arthropods is composed of:
                (a) Waxes                                (b) Proteins                         (c) Carbohydrates                  (d) Bones
95) Fatty acids with double bond in structure are called:
                (a) Saturated fatty acids       (b) Unsaturated f.acids     (c) Essential fatty acids        (d) Non-essential
96) Fatty acids which have all single bonds in structure are called:
                (a) Saturated fatty acids       (b) Unsaturated f.acids     (c) Essential fatty acids         (d) Non-essential
97) Fatty acids are long straight hydrocarbons chain and ______ number of carbon atoms:
                (a) Odd                                     (b) Even                               (c) Multiple                             (d) Six
98) Sphingosine, fatty acids and a monosaccharide or an oligosaccharides unit called:
                (a) Glycolipids                         (b) Sphingoglycolipids       (c) Glycosphingolipids          (d) Both a & c
99) Phospholipids are composed of sphingosine, fatty acids, sugar and:
                (a) Sulphuric acid                    (b) Sodium sulphate         (c) Sulphate group                (d) Both a & b
100) Phospholipids contain phosphoric acid, fatty acid, nitrogenous base and:
                (a) Acid                                     (b) Base                                (c) Glycerol                             (d) Alcohol
101) Fatty acids which cannot be constructed with in the body:
                (a) Essential fatty acids          (b) Non-essential f.acids  (c) Saturated fatty acids      (d) Unsaturated f.acids
102) Lipids are essential for the absorption of:
                (a) Water soluble vitamins    (b) Fat soluble vitamins    (c) Thermo labile vitamins  (d) Thermo stable vitamins
103) Dietary lipids decrease the gastric motility and have a high_____?
                (a) Molecular weight              (b) Energy                           (c) Satiety value                     (d) None of these
104) Body fat gives anatomical stability to:
                (a) Kidney                                 (b) Liver                               (c) Stomach                            (d) Most of the body organs
105) Insulation of nervous tissue is made up by:
                (a) Lipids                                   (b) Carbohydrates             (c) Proteins                             (d) Waxes
106) Lipids are integral part of cell protoplasm and:
                (a) Cell wall                              (b) Cell membrane            (c) Cellular fluid                      (d) Cell nucleus
107) Precursor of cholesterol is:
                (a) Proteins                              (b) Carbohydrates             (c) Amino acids                       (d) Lipids

 Chapter No.5 Pharmacy Technician Bio Chemistry MCQS

108) Proteins are composed of:
                (a) Monosaccharide               (b) Fatty acids                    (c) Amino acids                       (d) Nucleotides
109) Amino acids are joined to each other by:
                (a) Polysaccharides bond      (b) Poly peptide bond      (c) Phosphodiester bond       (d) Hydrogen bond
110) Polypeptide bond is formed between amino group and:
                (a) Nitrogenous group           (b) Carbonyl group           (c) Phosphorus group             (d) Carboxyl group
111) Which one is amino group:
                (a) –COOH                                (b) –NH2                             (c) –R                                         (d) –C—R
112) Proteins are polymers of:
                (a) Amino groups                    (b) Carboxyl group           (c) Fatty acids                          (d) Amino acids
113) A natural or artificial substance made from many small molecules called:
                (a) Compound                         (b) Empirical formula       (c) Ester                                    (d) Polymer
114) Central carbon atom in amino acid is called:
                (a) α-carbon                            (b) β-carbon                       (c) γ-carbon                             (d) δ-carbon
115) Which one is the function of proteins:
                (a) Wound repair                   (b) Blood coagulation       (c) Body’s building block       (d) All
116) Proteins are involved in the ______ of hormones:
                (a) Destruction                       (b) Creation                        (c) Copy                                    (d) Storage
 117) Enzymes are _____ in nature:
                (a) Carbohydrate                    (b) Cholesterol                  (c) Waxes                                 (d) Proteins
118) Enzymes _____ rate of chemical reactions in body:
                (a) Decrease                            (b) Keep constant             (c) Increase                              (d) Stops
119) Hemoglobin transport in the blood:
                (a) Carbon dioxide                 (b) Oxygen                          (c) Nutrition                            (d) Water
120) Plasma proteins form ______ in blood:
                (a) Anti bodies                        (b) Antigen                         (c) Clotting factors                 (d) Antigen-antibody complex
121) Antibodies helps to:
                (a) Form clot                                                                        (b) Prevent infections
                (c) To prevent harmful chemical in body                        (d) Both b & c
122) Hereditary transmission is done by:
                (a) Phosphoproteins             (b) Glycoprotein               (c) Nucleoproteins                 (d) Plasma protein
123) Linear sequence of amino acids is called:
                (a) Basic structure of protein                                            (b) Primary structure of protein
                (c) Secondary structure of protein                                   (d) Tertiary structure of protein
124) Polypeptide bond between Amino acids is formed by the linkage of –NH2 group with:
                (a) –OH group                        (b) –CH2 group                   (c) –CO group                          (d) –CH3
125) The folding of the polypeptide chain in to a specific coiled structure is called:
                (a) Primary structure of protein                                       (b) Secondary structure of protein
                (c) Tertiary structure of protein                                       (b) Quaternary structure of protein
126) Secondary coiled structure of protein is held together by:
                (a) Nitrogen bonding            (b) Oxygen bonding           (c) Hydrogen bonding            (d) Sharing of electron pairs
127) Tertiary structure of a proteins means it’s over all:
                (a) Linear structure                                                             (b) Two dimensional structure
                (c) Three dimensional structure                                       (d) Four dimensional structure
128) Tertiary structure of protein is:
                 (a) Rod like shape                 (b) Globe shape                  (c) Rectangular shape       (d) Linear chains of amino acid
129) Protein molecules composed of more than one polypeptides chains each with its own structure is:
                (a) Primary structure           (b) Secondary structure    (c) Tertiary structure              (d) Quaternary structure
130) Simple Proteins on hydrolysis yields only:
               (a) Fatty acids                        (b) Amino acids                   (c) Sugars                                  (d) Oils
131) Globulin, albumins are the examples of:
               (a) Simple protein                 (b) Compound protein       (c) Derived protein                 (d) Both a & c
132) Conjugated proteins are composed of simple proteins combined with:
               (a) Non-protein part             (b) Prosthetic group           (c) Cofactor                              (d) All
133) Nucleoproteins, phosphoprotein, glycoprotein are the example of:
               (a) Simple proteins               (b) Conjugated protein      (c)Compound protein             (d) Both b & c
134) Derived proteins are derived from:
               (a) Simple proteins               (b) Compound proteins     (c) conjugated proteins          (d) All
135) Proteins are formed by the combination of ______  kinds of amino acid:
               (a) 20                                      (b) 22             (c) 25                                          (d) 24
136) How many types of proteins has discovered:
               (a) More than 200                (b) More than 300          (c) More than 350                    (d) More than 400
137) Numbers of standard amino acids is:
               (a) 40                                      (b) 30                                (c) 20                                          (d) 10
138) Amino acids which don’t take part in protein synthesis but important for body are called:
               (a) Standard amino acids                   (b) Non-standard amino acids
               (c) Non-essential amino acids           (d) Non-functional amino acids
139) Amino acids which are not produced by our body and must be taken from outside through diet:
               (a) Standard amino acids                   (b) Non-standard amino acids
               (c) Non-essential amino acids           (d) Essential amino acids
140) The covalent bond by which enzymes are linked to gather is called:
               (a) Hydrophobic bond       (b) Peptide bond                 (c) Hydrogen bond                     (d) Phosphodiester bond
141) Proteins are polymers of:
               (a) Amino acid                   (b) Fatty acids                      (c) Monosaccharide                  (d) Nitrogen bases
142) –COOH group of amino acid is called:
               (a) Carbonyl group[          (b) carboxylic group             (c) Amino group                        (d) Side chain
143) Number of amino acids which takes part in protein formation:
              (a) 7                                     (b) 9                                         (c) 200                                        (d) 20
144) Blood plasma contain proteins:
              (a) 7%                                  (b) 9%                                     (c) 12%                                       (d) 20%
145) Enzymes are:
              (a) Proteins                        (b) Biocatalysts                     (c) Specific in action                 (d) All
146) Proteins “actin” and “Myosin” are preset in:
              (a) Milk                               (b) Egg white                        (c) Muscles                                 (d) Blood
147) Blood plasma proteins exerts osmotic pressure:
              (a) 20-30 mmHg               (b) 15-35 mmHg                   (c) 30-40 mmHg                        (d) 25-30 mmHg
148) Amino acids present sperm cells:
              (a) Prolamins                 (b) Protamine                        (c) Globin                                  (d) None
149) Iodinated amino acids synthesize hormones of:
             (a) Salivary glands            (b) Pancreas                         (c) Thyroid glands                      (d) Ovary
150) Which is not standard amino acid:
             (a) Cysteine                       (b) Alanine                             (c) Ornithine                              (d) Lysine
151) Which amino acid is a part of pantothenic acid:
             (a) Citrulline                       (b) β-alanine                          (c) Dihydroxyphenyl alanine  (d) Tyrosine
152) How many amino acids are essential among the standard amino acids:
            (a) 6                                    (b) 8                                       (c) 10                                            (d) 20
153) Precursor of dopamine is:
           (a) γ-amino-butyric acid  (b) Pantothenic acid           (c) Cholesterol                            (d) Dihydroxy phenyl alanine

Chapter No.6 Pharmacy Technician Bio Chemistry MCQS

154) Nucleic are essential for the life of:
              (a) Plants                                (b) Animals                            (c) Insects                                (d) All
155) The basic structural unit of nucleic acid is called:
              (a) Amino acids                     (b) Fatty acids                       (c) Nitrogenous base              (d) Nucleotide
156) How many types of amino acids are:
              (a) 2                                         (b) 3                                        (c) 4                                           (d) 7
157) How many components of a nucleotide are:
              (a) 2                                         (b) 3                                        (c) 4                                           (d) 7
158) Nucleotide is composed of a sugar molecule, nitrogenous base and:
              (a) Sulphur group                 (b) Nitrogen group              (c) Phosphorus group              (d) Carboxyl group
159) Sugar molecule in the structure of a nucleotide is composed of:
              (a) 4-carbons                          (b) 5-carbons                       (c) 6-carbons                            (d) 7-carbons
160) In nucleic acid, nitrogenous bases are divided into ______ categories:
              (a) 2                                          (b) 4                                      (c) 5              (d) 6
161) In DNA nitrogenous bases are:
              (a) A, G, C, U                           (b) A, G, C, T                         (c) A, G, C, G                             (d) A, G, C, A
162) In RNA nitrogenous bases are:
              (a) A, G, C, U                           (b) A, G, C, T                         (c) A, G, U, T                             (d) A, G, U, T
163) Nucleotides contain pentose sugar of:
              (a) 3 types                               (b) 2 types                            (c) 5 types   (d) 4 types
164) DNA contains:
              (a) Ribose sugar                     (b) Deoxyribose sugar        (c) Glucose                                (d) None
165) RNA contain:
              (a) Ribose sugar                     (b) Deoxyribose sugar        (c) Both a & b                           (d) Starch
166) In nucleotide structure phosphate group is surrounded by:
              (a) Two oxygen                      (b) Three oxygen                 (c) Four oxygen                        (d) Five oxygen
167) How many types of RNA:
              (a) 2                                         (b) 3                                       (c) 4                                            (d) 5
168) Main function of RNA is:
              (a) Protein synthesis             (b) Lipid production           (c) Digestion                              (d) None of these

Chapter No.7 Pharmacy Technician Bio Chemistry MCQS

169) All physiological activities are regulated by two systems in body, Nervous system and:
              (a) Cardiovascular system   (b) Respiratory system      (c) Endocrine system              (d) Both a & c
170) In endocrine system hormones are transported to the target cells:
              (a) Directly through ducts                                                  (b) Directly through blood stream
              (c) By nerves                                                                         (d) None of these
171) Chemical messenger are involved in:
              (a) Cell signaling                    (b) Cell reproduction          (c) Cell division                        (d) None of these
172) Classical hormones are secreted by:
              (a) Exocrine glands               (b) Endocrine glands          (c) Other tissues                      (d) Kidneys
173) Which one is not the example of endocrine glands:
              (a) Pituitary glands               (b) Parathyroid glands      (c) Adrenal glands                   (d) Salivary glands
174) Exocrine glands are transported to target cells through:
              (a) Blood stream                   (b) Nerves                             (c) Respiratory system           (d) None of these
175) Example of exocrine gland is:
              (a) Sweat glands                    (b) Salivary glands              (c) Pineal glands                      (d) Both a & b
176) On the base of site of production there are _____ types of hormones:
              (a) 5                                         (b) 7                                       (c) 9                                            (d) 11
177) On the base of chemical nature there are _____ types of hormones:
              (a) 3                                         (b) 5                                       (c) 8                                            (d) 6
178) Hormones which are derived from cholesterol are called:
              (a) Proteins hormones         (b) Steroid hormones         (c) Tyrosine                               (d) Derived hormones
179) Hormonal receptors are present on cell membrane, cytoplasm and:
              (a) Plasma membrane         (b) Mitochondria                 (c) Nucleus                                (d) None
180) Growth hormone is composed of _____ amino acids:
              (a) 191 amino acids              (b) 18 to 20                           (c) 8                                            (d) 51
181) Growth hormone is secreted by:
              (a) Posterior pituitary glands                                              (b) Anterior pituitary glands
              (c) Adrenal gland                                                                   (d) Pancreas
182) The effect of growth hormone is:
               (a) Catabolic                         (b) Degenerative                   (c) Anabolic                              (d) All
183) Growth hormone is said to be have:
               (a) Anti-insulin activity                                                        (b) Anti-glucagon activity 
               (c) Anti-diuretic activity                                                      (d) None of these
184) Other name of anti diuretic hormone is:
               (a) Vaso constrictive            (b) Vasodilator                       (c) Anti coagulant            (d) Vasopressin
185) ADH contains:
              (a) 9 amino acids                  (b) 5 amino acids                   (c) 18 amino acids                  (d) 15 amino acids
186) Vasopressin is responsible for:
              (a) Body’s regulation of pH                                                  (b) Body’s retention of water
              (c) Body’s heat regulation                                                    (d) Both a & b
187) Main role of oxytocin is:
              (a) Ejection of milk               (b) Teeth development        (c) Contraction of uterus       (d) Both a & c
188) Oxytocin contains 8 amino acids and released from:
(a) Anterior pituitary glands                                                              (b) Posterior pituitary glands
              (c) Prostate glands                                                                (d) Pineal glands
189) Insulin produced by the _____ cells of pancreas:
              (a) α-cells                              (b) β-cells                                 (c) γ-cells                                  (d) δ-cells
190) Main role of insulin is on:
              (a) Protein metabolism      (b) Lipids metabolism            (c) Carbohydrate meta…       (d) None of these
191) Insulin contains:
              (a) 50 amino acids               (b) 51 amino acids                  (c) 52 amino acids                  (d) 53 amino acids
192) Effect of insulin on blood glucose level is:
              (a) Increase blood sugar    (b) Keep the same level         (c) Decrease sugar level        (d) None of these
193) Testosterone is responsible for the development of:
              (a) Male sexual characteristics                                            (b) Female sexual characteristics
              (c) Uterus                                                                                 (d) Nervous system
194) Testosterone has effect on:
              (a) Bone                                (b) Sex characters                   (c) RBCs                                     (d) All of these
195) Main action of estrogen hormone is to develop the:
              (a) Sexual organs in males                                                    (b) Sexual organs in female
              (c) Bones in children                                                              (d) None of these

Chapter No.8 Pharmacy Technician Bio Chemistry MCQS

196) Biological molecule that catalyze chemical reactions is called:
              (a) Catalyst                           (b) Substrate                            (c) Enzyme                               (d) Vitamin
197) An agent which in minute amount increases the velocity of reaction without appearing in final product:
              (a) Enzymes                         (b) Catalyst                               (c) Hormone                            (d) Substrate
198) Substrate on which enzyme acts to convert it into product:
              (a) Enzyme                           (b) Co-factor                             (c) Substrate                           (d) Catalyst
199) Rate of reaction increase with:
              (a) Increase of enzyme      (b) Decrease of enzyme          (c) Increase of temperature (d) Both a & c
200) At 35°C to 40°C enzymatic activity is:
              (a) Very little                       (b) Inactive                                (c) Maximum                          (d) Destroy
201) Most of the enzymes are:
              (a) Fats                                 (b) Carbohydrates                    (c) Steroids                            (d) Proteins
202) In conjugated protein the protein part is called:
              (a) Holo enzyme                 (b) Apo enzyme                        (c) Prosthetic group               (d) None of these
203) In conjugated protein the non-protein part is:
              (a) Co-enzyme                    (b) Apo enzyme                        (c) Prosthetic group               (d) Both a & c
204) The complete structure of Apo enzyme and prosthetic group is:
              (a) Co-enzyme                    (b) Holo enzyme                      (c) Both a & b                          (d) None of these
205) Classes of enzymes are:
              (a) 4                                      (b) 8                                            (c) 6                                           (d) 10
206) Aerobic dehydrogenases is an example of:
              (a) Oxidoreductases  (b) Transferases                       (c) Hydrolases                          (d) Ligases
207) Enzymes which catalyze the transfer of a functional group from one molecule to another:
              (a) Hydrolases                     (b) Isomerases                         (c) Transferases                       (d) Lyases
208) Enzymes which catalyze the breakdown of molecules in the presence of water:
              (a) Oxidoreductases          (b) Ligases                                 (c) Lyases                                  (d) Hydrolases
209) Carbonic anhydrase and decarboxylase enzyme are:
              (a) Isomerases                    (b) Lyases                                  (c) Transferases        (d) Oxidoreductases
210) Enzymes involve in joining together two substrates:
              (a) Isomerases                    (b) Lyases                                  (c) Ligases                                 (d) Hydrolases
211) Rate of enzymatic reaction is directly proportional to:
              (a) pH                                   (b) Temperature                      (c) Enzyme concentration     (d) Product
212) Excess of product may lower the enzymatic reaction by:
              (a) Denaturing the enzyme                                                 (b) Occupying the active sites
              (c) Increasing the temperature                                          (d) None of these
213) Optimum temperature for enzymatic activity is:
              (a) 30°C to 45°C                 (b) 35°C to 40°C                      (c) 30°C to 40°C                       (d) 40°C to 50°C
214) At 50°C the activity of enzyme is:
              (a) Very little                      (b) Inactive                               (c) Maximum                            (d) Destroy
215) Trypsin works best in:
              (a) Acidic pH                       (b) Basic pH                             (c) Both a & b                            (d) Neutral pH    
216) Pepsin works best in:
             (a) Acidic pH                       (b) Basic pH                             (c) Both a & b                            (d) Neutral pH
217) Chemical agents which inactivates the enzymes are called:
              (a) Co-factor                       (b) Apo enzyme                      (c) Inhibitor                                (d) Activator
218) If optimum temperature and pH are not present then reaction is completed in:
              (a) Short time                     (b) Long time                          (c) Expected time                      (d) None of these
219) Activation energy is ______ by addition of enzymes:
              (a) Decrease                       (b) Increase                             (c) Fixed                                      (d) Not required
220) Fructose is 132% sweeter than:
              (a) Glucose                         (b) Sucrose                              (c) Maltose                                 (d) Raffinose
221) L.Asparginase enzyme is used for:
              (a) Indigestion                    (b) Cardio tonic                      (c) Kidney problem                   (d) Cancer treatment
222) Alcoholic beverages are manufactured by enzyme:
              (a) Amylase                        (b) Pepsin                                (c) Trypsin                                   (d) Lactate dehydrogenase
223) ²Lock and key model² explains the specific action of:
              (a) Hormones                     (b) Catalysts                           (c) Vitamins                                (d) Enzymes

Chapter No.9 Pharmacy Technician Bio Chemistry MCQS

224) Naturally occurring , essential, organic  constituents of the diet, which in minute amount aid in maintaining the normal metabolic activities of the tissues is called;

           (a) Enzyme                         (b) Protein                                (c) Hormone                               (d) Vitamin

225) During growth and pregnancy the requirement of vitamins;

          (a) Increased                      (b) Decreased                         (c) Remains constant                (d) No requirement

226) Fat soluble vitamins are;

          (a) 2                                     (b) 4                                         (c) 6                                              (d) 8

227) Vitamin C & B are soluble in;

          (a) Fat                                 (b) Water                                (c) Alcohol                                   (d) None

228)Vitamin B1 and B3 are;

          (a) Thermo labile              (b) Water soluble                    (c) Fat soluble                             (d) A&B

229) Vitamin involved in blood clotting;

           (a)  B6                                 (b) C                                        (c) D                                              (d) K

230) Vitamin A is also called;

          (a) Calciferol                   (b) Tocopherol                          (c) Retinol                                     (d) Riboflavin

231) After oxidation Retinal becomes; 

          (a) Retinoic acid              (b) Retinal                                 (c) Retinoid                                  (d) None
232) Vitamin involved in the maintenance of normal visual process of eye;

         (a)  A                                   (b) B                                       (c) C                                               (d)D
233) Dryness of cornea and mucous membranes of eye is called;

         (a)Nyctalopia                 (b) Xerophthalmia            (c)Keratomalacia                   (d) None
234) Night blindness due to disturbance in the visual pathway is termed as;

         (a) Nyctalopia                   (b) Xerophthalmia              (c) Keratomalacia                     (d) Conjuctivitis
235) Keratinization, degeneration & thickness of cornea is termed as ;

          (a) Glaucoma                    (b) Xerophthalmia              (c) Keratomalacia                   (d) Cataract

236) Dry skin, cracking of lips, fragility, brittle nails, gingivitis, and hair loss are symptoms of toxicity of vitamin;

         (a) B6                                  (b) B12                                   (c) K                                               (d) A

237) Ergosterol is obtained from;

         (a) Vegetable origin         (b) Animal                             (c) Bacterial   (d) Viral

238) The most activated form of vitamin D is;

         (a) Cholocalciferol                                                          (b) 25-Hydroxycholocalciferol  
         (c)   1, 25-dihydroxycholecalciferol                              (d) None

239) Activity of parathyroid gland increased in;

          (a)Hypercalacemia       (b) Hypocalcemia               (c) Low Hb level                          (d) Reduced phosphate absorption

240) Development of nodule at costochondral junction iscalled;

         (a) Kyphosis                     (b) Lordosis                        (c) Rickety rosary                        (d) None

241) Softness of skull bones is termed as;

         (a) Pigeons chest             (b) Lordosis                       (c) Scolosis                                (d) Carniotabes

242) Rickets and osteomalacia are called by the deficiency of vitamin;

        (a) C                                    (b) D                                      (c) E                                                (d) k
243) Softness and bending of bones of legs are main symptoms of;

        (a) Paralysis                      (b) Insomnia                        (c) Beriberi                                    (d) Rickets

244) Vitamin which prevent the habitual abortion by keeping the layers of embryo healthy;

        (a) A                                   (b) B12                                  (c) B6                                             (d) E

245) Vitamin K is also called;

        (a) Anti-sterility vit.         (b) Anti-coagulant vit.        (c) Anti-Hemorrhagic vit.          (d) B & C

246) Deficiency of vitamin K results in;

          (a) Prolong bleeding       (b) Decreased digestion     (c) Increased clotting time        (d) A & C

247) Major function of vitamin C is;

         (a) RBCs production        (b) Acts as co-enzyme        (c) Wound repair                        (d) DNAsynthesis

248) Deficiency of vitamin C results in disease;

         (a) Beriberi                       (b) Rickets                            (c) Scurvy                                     (d) Blindness

249) Vitamin B1 is also called;

         (a) Riboflavin                    (b) Niacin                            (c) Thiamin                                  (d) Pyridoxine

250) Beriberi is treated by vitamin;

        (a) B5                                 (b) B1                                    (c) B6                                             (d) B12

251) Pellagra is prevented by vitamin;

          (a) Niacin                          (b) Pantothenic acid           (c) Riboflavin                                (d) Thiamine

252) Pantothenic acid is also called;

         (a) Vit.B2                           (b) Vit.B3                              (c) Vit.B6                                       (d) Vit.B5

253) Vitamin necessary for the synthesis of neurotransmitters;

         (a) B1                                  (b) B2                                    (c) B6                                             (d) B3

254) We are unable to use fats, carbohydrates or proteins without;

           (a)       Vit.B2                     (b) Vit.B3                              (c) Vit.B5                                       (d) Vit.B6

255) Cracked and red lips, inflammation of lining of mouth and tongue, mouth ulcers, sore throat are symptoms of deficiency of vitamin;

         (a) B5                                 (b) B1                                    (c) B6                                             (d) B2

256) Vitamin necessary for the production of hemoglobin;

        (a) Vit.B1                           (b) Vit.B2                              (c) Vit.B5                                           (d) Vit.B6

257) Thick, scaly pigmented rash on skin exposed to sunlight, swollen mouth, vomiting, diarrhea, headache, fatigue, are symptoms of;

          (a) Pellagra                     (b) Scurvy                               (c) Cyanocobalamin deficiency   (d) Vit. E deficiency

258) Which vitamin is used to treat cervical cancer, migraine, acne, muscle cramps, burning feetsyndrome and eye conditions;

        (a) Niacin                         (b) Pantothenic acid             (c) Riboflavin                                (d) Thiamine

259) Biotin is also called;

       (a) Vitamin B12                (b) Vit.B7                                (c) Vit.B9                                      (d) Vit.6

260) Which vitamin activates amino acids for protein synthesis?

       (a) B7                               (b) B12                                    (c) Ascorbic acid                          (d) Vit.B9

261) Loose teeth, poor healing, low immunity are symptoms of;

        (a) Anemia                      (b) Scurvy                               (c) Folic acid toxicity                   (d) None

262) Vitamin not found in plants;

       (a) Vit.B12                       (b) Ascorbic acid                   (c) Cyanocobalamin                     (d) a & d

263) Vitamin involved in the production of RBCs;

       (a) Vit.B12                       (b) Vit.B9                               (c) Vit.B6                                       (d) Vitamin C

264) Lassitude, anemia, dermatitis, fall of hairs, muscular pain, are symptoms of deficiency of Vitamin;

        (a) B9                              (b) B12                                    (c) B7                                            (d) C

Chapter No.10 Pharmacy Technician Bio Chemistry MCQS

265) The application of biological organism, systems or processes to manufacturing and service industries is called:
             (a) Biochemistry                 (b) Biotechnology                 (c) Biology                                   (d) Zoology
266) Biotechnology which deals with health care and medical fields is termed as:
             (a) Red biotechnology      (b) white biotechnology      (c) Blue biotechnology              (d) Green biotechnology
267) Biotechnology which deals with agriculture is termed as:
             (a) Red biotechnology      (b) white biotechnology      (c) Blue biotechnology              (d) Green biotechnology
268) Biotechnology deals with industries:
           (a) Red biotechnology      (b) white biotechnology      (c) Blue biotechnology              (d) Green biotechnology
269) Biotechnology deals with marine and fresh water:
            (a) Red biotechnology      (b) white biotechnology      (c) Blue biotechnology              (d) Green biotechnology
270) Modern biotechnology has its roots in two branches of sciences:
            (a) Molecular biology & Biochemistry                           (b) Microbiology & Biochemistry
            (c) Molecular biology & Zoology                                     (d) Molecular biology & Microbiology
271) The process which involves the removal of faulty genes from the cell and addition of correct gene in its place is called:
            (a) Transcription                (b) Genetic engineering      (c) Translation                             (d) None
272) Controlled use of biological agents such as microorganisms or cellular components for the benefit of mankind:
            (a) Biology                           (b) Gene therapy                 (c) Biotechnology                       (d) Biochemistry

Chapter No.11 Pharmacy Technician Bio Chemistry MCQS

273) A substance which donates H+ ion or proton is called:
            (a) Acid                               (b) Base                                 (c) Alkali                                       (d) buffer solution274) A condition in which there is increase in H+ concentration or decrease in pH is called:
          (a) Alkalosis                       (b) Acidosis                           (c) Regulation                              (d) Acid-base balance
275) A substance which is H+ion or proton acceptor called:
            (a) Alkali                             (b) Acid                                 (c) Base                                         (d) Salt
276) A condition in which there is decrease in H+ concentration or an increase in pH:
            (a) Alkalosis                       (b) Acidosis                          (c) Acid-base balance                  (d) Dehydrogenation
277) The mechanism which maintains the homeostatic pH value in body:
            (a) hybridization               (b) Antibody formation     (c) Acid base balance                   (d) None 

Pharmacy Technician Bio Chemistry MCQS