BIO-DIVERSITY Sample Paper

1. The age of the earth is about______ years.

a. 3.5 Billion

b. 3.54Billion

c. 5.54Billion

d. 4.54 Billion

Correct Answer: d

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2. __________ was a time in which rapid growth of biodiversity occurred via Cambrian explosion.

a. Phanerozoic eon

b. Cambrian eon

c. Carboniferous eon

d. None of these

Correct Answer: a

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3. Each year approximately_________ no of species are discovered and classified.

a. 1300

b. 130000

c. 130

d. 13000

Correct Answer: d

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4. Area that are rich in species diversity are called as______.

a. All of these

b. Hot spot

c. Species richness

d. Species evenness

Correct Answer: b

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5. ‘’Biological diversity is the variety of life forms at all levels of biological systems (i.e., molecular, organismic, population, species and ecosystem)”. This term is coined by

a. Wilcox in 1982

b. Wilcox in 1984

c. Gaston and spicer in 2004

d. United nations in 2006

Correct Answer: a

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6. Total no of species that are present on earth_____________.

a. 2-5M

b. 2-5B

c. None of these

d. 5-30M

Correct Answer: d

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7. What is the scientific name of national animal of Pakistan?

a. Alectoris chukar

b. Cepra falconeri

c. Vulpus vulpus

d. Serratia ficaria

Correct Answer: b

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8. Average species diversity in a habitat or specific area is called as ________.

a. None of these

b. Alpha diversity

c. Beta diversity

d. Gamma diversity

Correct Answer: b

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9. Gamma diversity was introduced by_________

a. None of these

b. Cornell

c. Whittaker

d. Huston

Correct Answer: b

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10. Ratio of Arthropods community in world is about.

a. 0.0002

b. 0.0005

c. 0.15

d. 0.61

Correct Answer: d

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11. No of fish species present in Pakistan

a. 560

b. 600

c. 660

d. 500

Correct Answer: d

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12. Biodiversity provides economic benefits which makes it beneficial to__________.

a. Plants

b. Biodiversity

c. Humans

d. Animals

Correct Answer: c

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13. ___________is a medicine taken from plants to treat leukemia affected children’s.

a. Baboons flowers

b. Mellburry flowers

c. Madagscar roes periwinkle flowers

d. Rose flower

Correct Answer: c

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14. Profitable and sustainable farms rely on goods and services from nature such as soil, water, air, nutrient cycling and pest control. These services are often called a______.

a. Indirect benefits

b. Ecosystem services

c. Biodiversity services

d. Direct benefits

Correct Answer: b

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15. A single corm plant having 1lb dry weight can transfer ________ water from soil to atomsphere.

a. 40 gallons

b. 50 gallons

c. 70 gallons

d. 60 gallons

Correct Answer: d

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16. National fish of Pakistan is

a. Thaila

b. Mori

c. Mahseer

d. Rahu

Correct Answer: c

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17. A gram of fertile agricultural soil contains_______.

a. 2.5 Billion bacteria

b. 40000 fungi

c. 50000 algae

d. All of these

Correct Answer: d

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18. Total no of known species is__________.

a. 2M

b. 5-30M

c. 2M

d. 1.8M

Correct Answer: d

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19. Conservation of species to its natural habitat is known as.

a. Legislation

b. None of these

c. In situ conservation

d. Ex situ conservation

Correct Answer: c

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20. Area where strict rules are applied about the conservation of organisms is known as___________.

a. All of these

b. Corridor

c. National Park

d. Sancturies

Correct Answer: b

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21. Conservation of species in National parks is known as___________.

a. None of these

b. Ex situ conservation

c. In situ conservation

d. Legislation

Correct Answer: b

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22. National animal of Pakistan is

a. Lion

b. Tiger

c. Markhor

d. Chukar

Correct Answer: c

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23. Conversion of Ammonia into nitrite is done by

a. P. lactobacillus

b. P. ariugunosa

c. Nitrosomines

d. Nitrobacter

Correct Answer: c

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24. How tundra is distinguished from other biomes

a. Snow

b. location

c. Absence of trees

d. All of these

Correct Answer: d

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25. Why trees don’t grow in tundra

a. short summe and two cold winters

b. no fertility

c. no water resource

d. no desert

Correct Answer: a

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26. _________ occurs when the death of the last individual in a species occurs.

a. speciation

b. Extinction

c. Adaptation

d. Phylogenetic diversity

Correct Answer: b

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27. The characteristics of species include

a. reproduvtively isolated

b. interbreed freely

c. fertile offspring

d. All of above

Correct Answer: d

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28. Types of food chain are

a. 3

b. 4

c. 6

d. 2

Correct Answer: d

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29. Pyramid of numbers is a graphical representation that shows the….of organisms at each trophic level

a. shape

b. Levels

c. Number

d. mass

Correct Answer: c

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30. ..…are ecosystem engineers

a. camels

b. Beaver

c. Flying foxes

d. Group of island

Correct Answer: b

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31. ..…is a measure of the overall number of species (the diversity) within a region

a. None of these

b. Gamma diversity

c. Beta diversity

d. Alpha diversity

Correct Answer: b

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32. ….species are endemic to Pakistan

a. 0.1

b. 0.15

c. 0.2

d. 0.07

Correct Answer: d

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33. ………worms, borrowing insects, nematoda

a. Mesofauna

b. Miofauna

c. None

d. Microfauna

Correct Answer: c

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34. small ecosystem are

a. Pond

b. Ocean

c. Sea

d. River

Correct Answer: a

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35. ……..contain no cell wall

a. Bacteria

b. Arcahaea

c. Eubacteria

d. Virus

Correct Answer: b

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36. Fir is found in…

a. Taiga

b. Desert

c. Grassland

d. Tropical rain forest

Correct Answer: a

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37. Shellac is formed from..

a. cork oak

b. All of these

c. Lac insect

d. Pure rubber tea

Correct Answer: c

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38. Codeine is a..

a. Painkiller

b. cardiac stimulant

c. Anticancer agent

d. Antibacterial

Correct Answer: a

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39. Which region has greatest diversity

a. Ethiopian

b. Australian

c. Neotropical

d. Nearctic

Correct Answer: c

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40. Indian wild ass loss due to……

a. Surra

b. FMD

c. Anthrax

d. Sleeping sickness

Correct Answer: a

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41. Yeast are…..celled

a. Single

b. Double

c. Multicelled

d. None of these

Correct Answer: a

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42. Molds are….celles

a. Double

b. None of these

c. Multicelled

d. Single

Correct Answer: c

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43. …….symmetry in which body is divided into two equal halves

a. None of these

b. Bilateral

c. Radial

d. Asymmetry

Correct Answer: b

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44. Arctic foxes are found in……

a. Tundra

b. Grassland

c. Desert

d. Tropical rain forest

Correct Answer: a

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45. Renewable natural resources are……

a. Water

b. Coal

c. Oil

d. Gas

Correct Answer: a

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46. Non renewable natural resources are…..

a. soil

b. Air

c. Oil

d. Water

Correct Answer: c

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47. Neotropical region include…….

a. South America

b. Africa

c. Australia

d. Asia

Correct Answer: a

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48. Threatened species of mammals in pakistan are

a. 23

b. 25

c. 26

d. 20

Correct Answer: d

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49. Ethiopian region include…….

a. America

b. Australia

c. Asia

d. Africa

Correct Answer: d

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50. ……species which are popular for collection and culture and provide aesthetic value

a. indicator

b. Charismatic

c. Keystone

d. Umbrella

Correct Answer: b

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