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Biodiversity and Conservation Mock Exam-7

Question No:1

Assertion: Current estimates do not give any figure for prokaryotes taxonomic.
Reason: Conventional taxonomic methods are not suitable for identifying microbial species.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:2

Assertion: Tropics have greater biological diversity.
Reason: Tropics have long evolutionary time for species diversification is one of the reasons.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:3

Assertion: Stable community must be either resistant or resilient to occasional disturbances.
Reason: Stable community not shows too much variation in productivity from year to year.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:4

Assertion: Sixth extinction presently in progress different from the previous episode.
Reason: Difference is in the rate; current species extinction rates are estimated to be 100 to 1000 times faster than in the pre-human times.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:5

Assertion: Bioremediation is the use of living organisms, usually prokaryotes, fungi plants, to detoxify polluted ecosystems.
Reason: Biological augmentation uses organisms to add essential materials to a degraded ecosystem.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:6

Assertion: Steller’s sea cow becomes extinct.
Reason: It is due to over exploitation by humans.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:7

Assertion: Biodiversity hotspots are example of in situ conservation.
Reason: It is conservation of biological wealth on site.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:8

Assertion: Ex-situ conservation is carried out in biosphere reserves, national parks and sanctuaries.
Reason: NGOs are involved in maintenance of these protected areas.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:9

Assertion: Insects are enormously diversified.
Reason: It is because of the presence of exoskeleton made up of chitin.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:10

Assertion: Habitat loss and fragmentation is the most important cause driving animals and plants to extinction.
Reason: Habitat loss and fragmentation causes alien species invasion.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:11

Which one of the following is an example of ex-situ conservation?

[A] Wildlife sanctuary
[B] Seed bank
[C] Sacred groves
[D] National park



Question No:12

Biodiversity of a geographical region represents

[A] Endangered species found in the region
[B] The diversity in the organism living in the region
[C] Genetic diversity in the dominant species of the region
[D] Species endemic to the region



Question No:13

Large woody vines are more commonly found in

[A] Mangroves
[B] Tropical rainforests
[C] Alpine forests
[D] Temperate-forests



Question No:14

Which one of the following shows maximum genetic diversity in India?

[A] Rice
[B] Maize
[C] Mango
[D] Groundnut



Question No:15

Select the correct statement about biodiversity

[A] Large scale planting of Bt cotton has no adverse effect on biodiversity
[B] Western Ghats have a very high degree of species richness and endemism
[C] Conservation of biodiversity is just a fad pursued by the developed countries
[D] The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals