The diversity of plants and animals is not uniform throughout the world but shows a rather uneven distribution. What will be true in this regard?
I: In general, species diversity decreases as we move away from the equator towards the poles.
II: With very few exceptions, tropics harbour more species than temperate or polar areas.
 
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 |
 90%
From NCERT
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Consider the given two statements:
Assertion (A):   Tropics have greater biodiversity than other regions on Earth.
Reason (R):   Tropics are subjected to larger seasonal variations than other regions on Earth.
 
1. Both (A) and (R) are True and (R) correctly explains (A).
2. (A) is True but (R) is False
3. (A) is False but (R) is True
4. Both (A) and (R) are True but (R) does not correctly explain (A).
Subtopic:  Biodiversity Patterns |
 75%
From NCERT
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Consider the given two statements:
Statement I: Tropics have greater biodiversity than other areas on Earth.
Statement II: Tropics are farthest from the equator on the Earth.

1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Biodiversity Patterns |
 88%
From NCERT
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Consider the given two statements:
Assertion (A):   Tropics have provided more evolutionary time for species diversification
Reason (R): The species diversity in tropics is lower than in the temperate regions.
 
1. Both (A) and (R) are True and (R) correctly explains (A)
2. Both (A) and (R) are True but (R) does not correctly explain (A)
3. (A) is True, (R) is False
4. (A) is False, (R) is True
Subtopic:  Biodiversity Patterns |
 88%
From NCERT
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According to the species-area relationship, what happens to species richness as the area increases?
1. It decreases exponentially.
2. It increases exponentially.
3. It increases at a decreasing rate.
4. It remains constant.
Subtopic:  Biodiversity Patterns |
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Which one of the following is not a major characteristic feature of biodiversity hotspots?
1. A large number of species
2. Abundance of endemic species
3. Mostly located in the tropics
4. Mostly located in the polar regions

Subtopic:  Biodiversity Patterns |
 82%
From NCERT
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