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NEET Practice Questions (MCQs) with Answers & Solutions

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All Physics Chemistry Botany Zoology

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Which of the following is not a part of Evil Quartet?

A. Habitat loss and Fragmentation B. Dosage compensation C. Alien Species Invasions D. Co-extinctions

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Explanation

15.1 Biodiversity

Page number-264

15.1.4 Loss of Biodiversity

Biodiversity and Conservation

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The most important cause driving animals and plants to extinction in the Evil Quartet is

A. Habitat loss and Fragmentation B. Over-Exploitation C. Alien Species Invasions D. Co-extinctions

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Explanation

15.1 Biodiversity

Page number-264

15.1.4 Loss of Biodiversity

Biodiversity and Conservation

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Which of the following give the most dramatic examples of habitat loss?

A. Tropical Rain forest B. Temperate Deciduous forest C. Temperate Evergreen forest D. Grasslands

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Explanation

15.1 Biodiversity

Page number-264

15.1.4 Loss of Biodiversity

Biodiversity and Conservation

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Once covering more than ……. of the Earth's land surface, these rain forests now cover no more than……

A. 17,10 B. 14,6 C. 12,4 D. 7,3

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Explanation

15.1 Biodiversity

Page number-264

15.1.4 Loss of Biodiversity

Biodiversity and Conservation

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Which of the following is not correct about Fragmentation?

A. Large habitats are broken up into small fragments due to various human activities B. Mammals and birds are affected by fragmentation as they need large territory C. Certain animals with migratory habits are badly affected leading to population decline D. The main reason for the cause of fragmentation is soya bean cultivation

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Explanation

15.1 Biodiversity

Page number-264

15.1.4 Loss of Biodiversity

Biodiversity and Conservation

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Which of the following is wrong information about consequence of Alien Species Invasions?

A. Nile Perch - Alien Species B. Lake Victoria in East Africa - the ecosystem in which h alien species was introduced C. Cichlid fish: Extincted species D. Number of extincted species: 176

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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 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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