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Botany MCQs for NEET — Practice Questions with Answers

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The graph for species-area relationship is actually plotted between

A. Species richness and area B. Species evenness and area C. Species diversity and area D. Species diversity and space

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Explanation

15.1 Biodiversity

Page number-262

15.1.2 Patterns of Biodiversity

Biodiversity and Conservation

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If Z value is found to be 1.15, which of the following species richness was actually studied?

A. Frugivorous birds in the tropical Forests of different continents B. Plants in Britain C. Birds in California D. Molluscs in New York state

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Explanation

15.1 Biodiversity

Page number-262

15.1.2 Patterns of Biodiversity

Biodiversity and Conservation

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If Z value is in between 0.6 to 1.2,This implies

A. Steeper slope B. More towards the horizontal axis C. The value of species richness decreases must faster than the area explored D. Plants of Britain can have this value

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Explanation

15.1 Biodiversity

Page number-262

15.1.2 Patterns of Biodiversity

Biodiversity and Conservation

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If the area explored is entire continent, then slope of the line for species area relationship would be

A. Much gentle B. Much reasonable C. Much steeper D. Both B and C

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Explanation

15.1 Biodiversity

Page number-262

15.1.2 Patterns of Biodiversity

Biodiversity and Conservation

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Which of the following cannot be the reason for the stability of biological community?

A. More species B. Not much variations in productivity C. Resistant to occasional disturbances made by nature only D. Resilient to occasional disturbances made by nature and man

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Explanation

15.1 Biodiversity

Page number-263

15.1.3 The Importance of Species Diversity to the Ecosystem

Biodiversity and Conservation

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Who among the following gave tentative answers to the question that how do the attributes of stable community are related are linked to the species richness in a community?

A. Paul Ehrlich B. David Tilman C. A V. Hamboldt D. Edward Wilson

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Explanation

15.1 Biodiversity

Page number-263

15.1.3 The Importance of Species Diversity to the Ecosystem

Biodiversity and Conservation

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Which of the following is not an attribute of stable community?

A. Resistant to occasional disturbances B. Resistant to invasions by alien species C. Resilient to occasional disturbances D. High productivity with great variation year to year

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Explanation

15.1 Biodiversity

Page number-263

15.1.3 The Importance of Species Diversity to the Ecosystem

Biodiversity and Conservation

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Rich biodiversity is not important for

A. Healthy ecosystem B. Survival of human race on this planet C. Alien species D. Both A and B

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Explanation

15.1 Biodiversity

Page number-263

15.1.3 The Importance of Species Diversity to the Ecosystem

Biodiversity and Conservation

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David Tilman actually proposed that

A. The long term ecosystem experiments using out door plots with less species showed less year to year variation in total number B. The long term ecosystem experiments using out door plots with more species showed less year to year variation in total biomass C. The long term ecosystem experiments using out door plots with more species showed more year to year variation in total number D. The long term ecosystem experiments using indoor plots with less species showed less year to year variation in total biomass

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Explanation

15.1 Biodiversity

Page number-263

15.1.3 The Importance of Species Diversity to the Ecosystem

Biodiversity and Conservation

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According to Rivet Popper Hypothesis, which of the following is not correct?

A. Airplane: ecosystem B. Rivets: species C. Popping a rivet: causing a species to become extinct D. Flight safety: number of species

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Explanation

15.1 Biodiversity

Page number-263

15.1.3 The Importance of Species Diversity to the Ecosystem

Biodiversity and Conservation

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