Environmental Science and Ecology - Mock Test 15

Question 141

Which of the following is a man made artificial ecosystem

A) Grassland ecosystem B) Agro ecosystem C) Ecosystem of artificial lakes and dams D) Forest ecosystem

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Question 142

A natural ecosystem

A) depends on man B) depends on plants C) depends on animals D) is auto operated

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Question 143

Food crops comprise

A) Cotton, Tobacco, Sugarcane B) Linseed, Castor, Turmeric C) Foodgrains, Pulses, Edible oil seeds D) Jute, Cotton, Chillies

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Food crops comprise Food grains Pulses, Edible oil seeds.

Question 144

The Ministry sometimes referred to as “Green Ministry” in India is Ministry of

A) Agriculture and Rural Development B) Environment and Forests C) Surface and Transport D) Urban Development and Landscaping

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Question 145

Red Data Book contains information about?

A) Red coloured insects B) Red eyed birds C) Red coloured fishes D) Endangered plants and animals

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Question 146

Radiations not useful in remote sensing are?

A) Ultrasonic waves B) Microwaves C) UV radiations D) Infra – red radiations

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Question 147

Population of species decreasing over a period called as?

A) Extinct B) Eliminated C) Endangered D) Rare

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Question 148

Plants of endangered species are conserved through?

A) Herbarinum B) Gene library C) Gene bank D) Reducing pollution

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Question 149

Planting of trees, shrubs and others in between crop plants for commercial exploitation and stabilization of soil is?

A) Taungya system B) Social forestry C) Agroforestry D) Production plantation

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Question 150

Planting of trees on unused farmland, Rail and road sides is?

A) Commercial Forestry B) Agroforestry C) Social forestry D) Reforestation

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