Read the following statements and select the correct option that mentions observations shown by David Tilman, who performed a long-term ecosystem experiment using outdoor plots.

(a) Plots with more species showed less year-to-year variation in total biomass.

(b) Plots with less species showed less year-to-year variation in total biomass.

(c) Increased diversity contributed to higher productivity.

(d) Plots with more species showed year to year variation in total rainfall.

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Important Questions on Biodiversity and Conservation

EASY

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

A graph of species richness vs area on log-log axis is:

HARD

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

The diversity which is richness of different species in a range of habitats within a geological area in known as?

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Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Which of the following is the most important cause for animals and plants being driven to extinction?

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Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Biological diversity increases with the productivity of an ecosystem. In which of the following habitats do we see the greatest diversity of species?

EASY

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

According to Robert May, the global species diversity is about

MEDIUM

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Which of the following is correctly matched?

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Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

A species is categorised as endemic because it is

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Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Which of the following regions of the globe exhibits the highest species diversity?

EASY

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Which one of the following is not included under in-situ conservation?

MEDIUM

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Identify the correct statements with reference to greater biodiversity in the tropics.
A. The duration of time available for species diversification is limited.
B. Solar energy and water resources are available in abundance.
C. Tropical climates are not constant and cannot be predictable.
D. Tropical latitudes have remained relatively undisturbed for millions of years.

EASY

Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Alexander Von Humboldt described for the first time:

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Biology>Zoology - Diversity of Living World>Biodiversity and Conservation>Concepts of Biodiversity

Given below is the representation of the extent of the global diversity of invertebrates. What groups the four portions (A-D) represent respectively?
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