1. Sperm and egg cell are form through the process of
a. fusion
b. meiosis
c. mitosis
d. levage
Correct Answer: b
.
2. How many autosomal chromosomes present in human being
a. 23
b. 22
c. 44
d. 43
Correct Answer: d
.
3. In tunicates which type of cleavage occurs
a. spiral
b. radial
c. dermoblastic
d. bliateral
Correct Answer: d
.
4. In sea-urchin micromeres and macromeres are formed at stage of
a. 14 cells
b. 17 cells
c. 20 cells
d. 16 cells
Correct Answer: d
.
5. In sea-urchin which type of division found
a. teloblastic
b. holoblastic
c. meroblast
d. centroblast
Correct Answer: b
.
6. Cleavage furrows form in birds’ egg at the animal pole to make
a. blastula
b. blastoderm
c. morula
d. blastodisc
Correct Answer: d
.
7. binding of sperm to extracellular matrix of mammal’s egg
a. zona pellucida
b. blastopor
c. C.membrane
d. jelly layer
Correct Answer: a
.
8. In acrosomal process when enzyme is released
a. oxytocin
b. arginine
c. proteolytic enzyme
d. lysine
Correct Answer: c
.
9. In mammals which type of polyspermy found
a. slow block
b. fast block
c. radial
d. rapid
Correct Answer: a
.
10. Fast block polyspermy found in
a. cow
b. frog
c. fish
d. toad
Correct Answer: b
.
11. cortical reaction require high concentration
a. mg+
b. Na+
c. cl-
d. Ca+
Correct Answer: d
.
12. Fertilization takes place at which part
a. duct
b. follapian tube
c. ovary
d. uterus
Correct Answer: b
.
13. The complete cleavage in birds occur
a. 22 days
b. 24 days
c. 30 days
d. 21 days
Correct Answer: d
.
14. In chick the hypoblast cells form
a. heteroderm
b. endoderm
c. ectoderm
d. mesoderm
Correct Answer: b
.
15. The primitive streak form in birds at
a. 12 hours
b. 10 hours
c. 9 hours
d. 10-12 hours
Correct Answer: d
.
16. ICM stands for
a. intra cell mass
b. inner cell mass
c. inter cell mass
d.
Correct Answer: b
.
17. In human beings the amniotic cavity begins to form
a. 9 days
b. 10 days
c. 12 days
d. 8 days
Correct Answer: d
.
18. The local error of morphogenesis
a. deterogenisis
b. malformation
c. disruption
d. deformation
Correct Answer: b
.
19. RUMP to RUMP fusion known as
a. pygapagus
b. sygopagus
c. pygopagus
d. pyogous
Correct Answer: c
.
20. spermatogenesis is regulated by the
a. ACSH
b. LH
c. FSH
d. GH
Correct Answer: b
.
21. The removal of egg from the follicles cells called
a. ova
b. egg
c. Primary oocyte
d. oocyte
Correct Answer: c
.
22. The average size of ovum is
a. 117u
b. 114-110u
c. 117-143u
d. 117-142u
Correct Answer: d
.
23. Classification of Developmental biology based on history involve
a. organogenisis
b. descriptive emryology
c. histology
d. regenration
Correct Answer: b
.
24. Rearrangement takes place under the guidance of architect
a. theory of epigenesis
b. Bagr’s law
c. biogenetic law
d.
Correct Answer: a
.
25. Metabolic rate of egg is………. In animal pole
a. very high
b. higher
c. lower
d. median
Correct Answer: b
.
26. Concentration of yolk is Higher in
a. vegetal pole
b. animal
c. Animal and vegetal pole
d.
Correct Answer: a
.
27. After meiosis, primary spermatocytes form
a. spermatid
b. sperms
c. ovule
d. spermatogonia
Correct Answer: a
.
28. Conversion of spermatid into mature sperm called
a. spermatogenisis
b. ovulation
c. spermatolysis
d.
Correct Answer: a
.
29. Major component of yolk is
a. fats
b. aminoacids
c. protiens
d. lipids
Correct Answer: c
.
30. Fusion of male and female gametes along with their nuclei is called
a. fusion
b. gastrulation
c. morula
d. clevage
Correct Answer: d
.
31. Spermatozoa has ……. nucleus
a. long
b. vertical
c. oval
d. spherical
Correct Answer: c
.
32. After fertilization rate of……. synthesis increase at great speed
a. protien
b. hormone
c. DNA
d. RNA
Correct Answer: b
.
33. Gynogenesis is a type of
a. gasstrulation
b. cloning
c. clevage
d. fusion
Correct Answer: b
.
34. During cleavage, cytoplasmic substances changes into
a. tissues
b. system
c. organelles
d. organs
Correct Answer: c
.
35. Nuclear histone protein is required for…….sysnthesis
a. amino acids
b. carbohydrates
c. protein
d. lipids
Correct Answer: c
.
36. In equal holoblastic cleavage, blastomere are of…….
a. unequal size
b. equal
c. normal
d. large size
Correct Answer: a
.
37. The amphioxus egg is…….
a.
b. telolecithal
c. oligolecithal
d. mesolecithal
Correct Answer: c
.
38. The ball of cells produce because of cleavage……
a. gastrulation
b. blastopore
c. morula
d. blastula
Correct Answer: c
.
39. Spiral cleavage is found in……
a. reptiles
b. birds
c. Molluscs
d. amphibia
Correct Answer: c
.
40. Incomplete peripheral blastomeres, surrounds the yolk
a. superficial blastula
b. blastula
c. discoblastula
d. blastopore
Correct Answer: a
.
41. Inward movements of cell are known as
a. epibolic movements
b. embolic movements
c. tactic movements
d.
Correct Answer: b
.
42. The blastopore end in amphioxus is changes in to future
a. mouth
b. mesoderm
c. endoderm
d. anus
Correct Answer: d
.
43. In neurulation, presumptive neural area flattens and forming the
a. neural tube
b. neural crest
c. neural plate
d. tube
Correct Answer: c
.
44. Notochord formation takes place by area of
a. hypoderm
b. mesoder
c. endoderm
d. ectoderm
Correct Answer: b
.
45. Trophoblast is formed in ………
a. frog
b. mammals
c. birds
d. reptiles
Correct Answer: b
.
46. Amnion and chorion develops from
a. somatoplure
b. endoderm
c. spermatids
d. mesoderm
Correct Answer: a
.
47. Functions of allantois are
a. respiration
b. nourishment storage of products
c.
d.
Correct Answer: a
.
48. Diffuse placenta is present in
a. horse
b. pig
c. toad
d. pig , horse
Correct Answer: d
.
49. Central placenta is present in
a. horse
b. mouse
c. pig
d. man
Correct Answer: c
.
50. The helix has a uniform width of…
a. 3nm
b. 4nm
c. 5nm
d. 2nm
Correct Answer: d
.
