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Botany MCQs for NEET — Practice Questions with Answers

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Which of the following is not an example of Alien species for our ecosystems?

A. Carrot Grass B. Indigenous catfishes C. Lantana D. Eichhornia

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Explanation

Page number-265

15.1.4 Loss of Biodiversity

15.1 Biodiversity

Biodiversity and Conservation

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Which of the following is not an example of Co-extinctions?

A. Plant-pollinator mutualism B. Host-parasite extinction C. Plant-animal species in an obligatory relationship D. Fragmentation in Amazon Rain Forests and Species of mammals

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Explanation

Page number-265

15.1.4 Loss of Biodiversity

15.1 Biodiversity

Biodiversity and Conservation

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Which of the following is not a narrowly utilitarian reasons for the conservation of Biodiversity?

A. Direct economic benefits like cereals, pulses and Fruits B. Firewood, Fibre, construction material C. Tannins, lubricants, dyes, resins, perfumes D. Oxygen, Aesthetic Pleasure

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Explanation

Page number-265

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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How much Oxygen does Amazon Forest is estimated to produce through photosynthesis?

A. 20 per cent of the total oxygen in the Earth's atmosphere B. 30 per cent of the total oxygen in the Earth's atmosphere C. 40 per cent of the total oxygen in the Earth's atmosphere D. 60 per cent of the total oxygen in the Earth's atmosphere

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Explanation

Page number-266

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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Which of the following is not categorized under broadly utilitarian reasons of biodiversity?

A. Oxygen B. Pollination C. Intangible benefits like walking through thick woods D. Tannins, lubricants, Perfumes

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Explanation

Page number-266

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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More than…a…. of the drugs currently sold in the market worldwide are derived from plants and …b…...species of plants contribute to the traditional medicines used by native people around the world.

A. a- 25 per cent B. b-12000 C. a- 30 per cent D. a- 39 per cent

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Explanation

Page number-265

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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In bioprospecting, which of the diversity is not explored for products of economic importance?

A. Molecular Biodiversity B. Genetic level biodiversity C. Species level biodiversity D. Gamma biodiversity

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Explanation

Page number-265

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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Which of the following is an intangible benefits obtained from biodiversity?

A. Aesthetic Pleasure walking through thick woods B. Watching spring flowers in full bloom C. Waking up to a Bulbul's song in the morning D. All of these

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Explanation

Page number-266

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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Which of the following does not come under ethical argument for the conservation of biodiversity?

A. We owe to millions of plants, animal and microbe species with whom we share this planet B. We need to realise that every species has an intrinsic value even if it is of no economic use to us C. We have a moral duty to care for their well being and pass on our biological legacy in good order to future generations D. They provide us aesthetic pleasures of walking through thick woods. So, to get the same uninterrupted we need to conserve

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Explanation

Page number-266

15.2.1 Why Should We Conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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Which of the following is not the problem regarding in situ approach that has been addressed by eminent conservationists?

A. The conflict between development and conservation B. Unrealistic and economically not feasible to conserve all their biological wealth C. The number of species waiting to be saved from extinction far exceeds the conservation resources available D. Human Intrusion is the major cause of its failure

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Explanation

Page number-266

15.2.1 How do we conserve Biodiversity?

15.2 Biodiversity Conservation

Biodiversity and Conservation

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