Match each item in Column I with one in Column II and choose the correct answer from the codes given below:

Column I

Column II

A.

Genetic diversity

a.

Western ghats have greater amphibian diversity than eastern ghats

B.

Species diversity

b.

India has more than 50000 genetically different strains of rice

C.

Ecological diversity

c.

India has more ecosystems than Norway

Codes :

A B C
1. a b c
2. b a c
3. c b a
4. b c a
Subtopic:  Introduction & Types |
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Identify the incorrect statement:
1.  Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the combined diversity at all levels of biological organisation.
2.  IUCN stands for International Union for Conservation of Nature and Natural resources.
3.  Robert May places the global species diversity in the range of 20 to 50 million.
4.  More than 25 percent of the drugs currently sold in the market are derived from the plants.
Subtopic:  Magnitude of Biodiversity |
 90%
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Approximately, what number of species have been identified, named and studied?

1. 1.0 million 2. 1.5 million
3. 1.7 million 4. 2.0 million

Subtopic:  Introduction & Types |
 54%
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Amongst the vertebrates, the Class with maximum number of species is:

1.  Pisces 2.  Reptilia
3.  Aves 4.  Mammalia

Subtopic:  Magnitude of Biodiversity |
 65%
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If we consider invertebrates, the maximum global biodiversity, after insects, is seen in:

1.  Crustaceans 2.  Echinoderms
3.  Mollusks 4.  Annelids
Subtopic:  Magnitude of Biodiversity |
 81%
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Although, India has only 2.4 % of world’s area, its share of global species diversity is about:

1. 3% 2. 5%
3. 8% 4. 11%
Subtopic:  Introduction & Types |
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What is the number of mega-diversity countries in the world?

1. 5 2. 12
3. 17 4. 22
Subtopic:  Introduction & Types |
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): There is a steady increase in species richness from the arctic to the tropics.
Reason (R): Seasonal variation is substantially more in tropics than in arctics.
In the light of the above statements, choose the most appropriate answer from the options given below :
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Biodiversity Patterns |
 64%
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Regarding the gradients of biodiversity:

I:  As we move from poles to the equator, broadly speaking, biodiversity decreases.
II:  There is an increase in species diversity from lower to higher altitudes.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

Subtopic:  Biodiversity Patterns |
 78%
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The greatest biodiversity on the earth is found in:

1. African grasslands
2. Amazonian rain forest in South America
3. Western Ghats in India
4. Nile delta in Egypt
Subtopic:  Biodiversity Patterns |
 93%
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