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Assertion & Reason Test: Biodiversity & Conservation


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10 Questions MCQ Test Biology Class 12 | Assertion & Reason Test: Biodiversity & Conservation

Assertion & Reason Test: Biodiversity & Conservation for NEET 2022 is part of Biology Class 12 preparation. The Assertion & Reason Test: Biodiversity & Conservation questions and answers have been prepared according to the NEET exam syllabus.The Assertion & Reason Test: Biodiversity & Conservation MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion & Reason Test: Biodiversity & Conservation below.
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Assertion & Reason Test: Biodiversity & Conservation - Question 1

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Many species like Steller's sea cow, passenger pigeon, etc., became extinct due to over exploitation.

Reason(R) : Over exploitation is a major cause of biodiversity loss.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 1 Many species like Steller's sea cow, passenger pigeon, etc., became extinct due to over exploitation. The dependence of humans on nature for food and shelter led to over exploitation of natural resources. It is one of the major causes of biodiversity loss.
Assertion & Reason Test: Biodiversity & Conservation - Question 2

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Biosphere reserves are also included under the ex-situ conservation strategies.

Reason (R) : Cropping and grazing are allowed in the transition zone of biosphere reserve.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 2 Biosphere reserves are included under the in situ conservation strategies.
Assertion & Reason Test: Biodiversity & Conservation - Question 3

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Process of extinction is random and fast.

Reason (R) : Any species which can not adapt itself according to the environment, it cannot survive.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 3 If an organism fails to adapt itself according to the environment, it will not survive.
Assertion & Reason Test: Biodiversity & Conservation - Question 4

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Biologists are not sure about total number of prokaryotic species

Reason (R) : Nearly 45,000 species of plants and twice as many of animals have been recorded from India

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 4 Biologists are not sure about the total number of prokaryotic species because : (a) Conventional taxonomic methods are not suitable for identifying microbial species. (b) Many species are not culturable under laboratory conditions.
Assertion & Reason Test: Biodiversity & Conservation - Question 5

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Percentage of animals is more than the percentage of plants.

Reason (R) : 70% of all the species are animals, while plants contribute nearly 22% of the total.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 5 Animals have a nervous system to receive stimuli and respond against them, they are mobile and can move to avoid competition.
Assertion & Reason Test: Biodiversity & Conservation - Question 6

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Biodiversity means diversity at species level.

Reason (R) : Biodiversity is a diversity not only at species level but at all levels of biological organization.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 6 The term biodiversity is popularized by Edward Wilson, it is a diversity at all levels of biological organization from macromolecules within cells to the biomes.
Assertion & Reason Test: Biodiversity & Conservation - Question 7

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Western ghats of India are one of the hot-spots of biodiversity.

Reason (R) : Western ghats have greater amphibian diversity than eastern ghats.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 7 Western ghats is one of the eight hotspots of biological diversity in the world due to its high level of biological diversity and endemism.
Assertion & Reason Test: Biodiversity & Conservation - Question 8

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : There is more species biodiversity in tropical latitudes than in temperate ones.

Reason (R) : Tropical environments, unlike temperate ones, are less seasonal, relatively more constant and predictable.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 8 Biodiversity (species richness) is highest in tropics because (i) Tropics had more evolutionary time. (ii) Relatively constant environment (less seasonal). (iii) They receive more solar energy which contributes to greater productivity.
Assertion & Reason Test: Biodiversity & Conservation - Question 9

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Loss of habitat is the main cause of loss of biodiversity.

Reason (R) : This causes the increase in edge area and reduction in core area.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 9 There are many reasons behind the loss of biodiversity among them habitat loss is one, others are over-exploitation, alien species invasions, co-extinctions.
Assertion & Reason Test: Biodiversity & Conservation - Question 10

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion (A) : Sacred groves are highly protected.

Reason (R) : They are of religious importance to the communities.

Detailed Solution for Assertion & Reason Test: Biodiversity & Conservation - Question 10 Sacred groves are highly protected by certain communities because they are of religious importance to the communities. They have a significant role in in-situ conservation.
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