Environmental Science and Ecology - Mock Test 76

Question 751

Heavy dust can cause?

A) leaf blights B) opening of stomata C) closure of stomata D) browning of leaves

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Question 752

Which of the following is the best indicator of SO2 pollution?

A) bryophyte B) pteridophyte C) Lichen D) algae

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Question 753

The unfavourable alteration of environment due to human activities is termed as?

A) ecological disturbance B) catastrophe C) ecological degradation D) pollution

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Question 754

Which of the following is mainly responsible for the extinction of wild life?

A) Pollution of air and water B) Hunting of flesh C) Destruction of Habitats D) All of these

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Question 755

Which group of vertebrates comprises the highest number of endangered species?

A) Mammals B) Fishes C) Birds D) Reptiles

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Question 756

Viable material of endangered species can be preserved by?

A) Gene bank B) Gene library C) Gene pool D) Herbarium

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Question 757

What is the major cause of diminishing wildlife number?

A) Felling of trees B) Cannibalism C) Habitat destruction D) Paucity of drinking water

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Question 758

Wild life is continuously decreasing. What is the main reason of this?

A) Predation B) Cutting down of forest C) Destruction of habitat D) Hunting

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Question 759

Red Data Book Provides data on?

A) Red flowered plants B) Red colored fishes C) Lists of plants and animals D) Endangered plants and animals

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Question 760

When is the World Wildlife week ?

A) First week of September B) Last week of September C) First week of October D) Last week of October

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