Loss of biodiversity may lead to all except:
1. decline in plant production
2. increased resistance to environmental perturbance
3. increased variability in water use
4. increased variability in pest and disease cycle

Subtopic:  Loss of Biodiversity |
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Which of the following is not a reason that accounts for greater biodiversity of tropics?

1. availability of more solar energy
2. more niche specialization
3. more time for species diversification
4. large seasonal variations in environmental factors

Subtopic:  Biodiversity Patterns |
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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 |
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Biodiversity loss is now one of the world's most pressing crises. The primary reason for this is:
1. we cannot do anything about it
2. we are not responsible for this loss
3. we still do not know its entire extent
4. it is affecting only the developing countries

Subtopic:  Loss of Biodiversity |
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The main difference between "Sixth Extinction" and the previous five extinctions is that the sixth extinction:
1. is mainly occurring on islands
2. is mainly affecting plants
3. is occurring at a faster rate
4. does not involve human activities

Subtopic:  Loss of Biodiversity |
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Which of the following does not contribute to the species diversity of the tropics?

1. Predictability

2. Predation

3. High productivity

4. Spatial homogeneity

Subtopic:  Introduction & Types |
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The relation between species richness and area for a wide variety of taxa on a logarithmic scale is a:

1. rectangular hyperbola

2. straight line

3. sigmoid curve

4. sine curve

Subtopic:  Biodiversity Patterns |
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The hot spots of biodiversity conservation are characterized by:
1. High endemicity and high threat of extinction
2. Low endemicity and high threat of extinction
3. High endemicity and low threat of extinction
4. Low endemicity and low threat of extinction

Subtopic:  In Situ Conservation of Biodiversity |
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Which of the following has maximum global biodiversity?
1. Angiosperms
2. Algae
3. Lichens
4. Mosses

Subtopic:  Magnitude of Biodiversity |
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What is applicable to both Lates niloticus and Lantana camara ?

1. They are on the verge of extinction due to over-exploitation by humans.

2. They are alien species that became invasive in certain environments causing threat to indigenous biodiversity.

3. They are mutualists and likely to undergo co-extinction in recent future.

4. They are keystone species and are vital to the stability of tropical ecosystems.

Subtopic:  Loss of Biodiversity |
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NEET MCQ Books for 11th Physics, Chemistry & Biology