Ecology - Biodiversity and Its conservation

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1. The species with thin population localised within restricted area is said to be

a) Rare

b) Threatened

c) Endangered

d) Vulnerable

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2. The reason for certain animals getting endangered are

a) Hunting

b) Pollution of environment

c) Natural calamities

d) all of these

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3. The Red Data Book maintains a record of the

a) Plants and animals present in the whole world

b) Relationship between man and biosphere

c) Plants and animals which are known to be endangered

d) Forest wealth in the whole world

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4. Planting trees in a deforested land is known as

a) afforestation

b) Deforestation

c) Silviculture

d) Sericulture

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5. In a national park protection is given to

a) The entire flora

b) The entire fauna

c) The plants and animals

d) The entire ecosystem

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6. The endangered animal of the following is

a) Crow

b) Parrot

c) Red jungle fowl

d) Cock

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7. The phenomenon of the entry of toxic chemicals into the food chains and more concentrated at higher trophic levels is called

a) Biological control

b) biomagnification

c) Algal bloom

d) Red tide

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8. The tropical forests in lndia are located in

a) Himachal Pradesh

b) Jammu and Kashmir

c) Andamans

d) Orissa

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9. Bharatpur bird sanctuary is situated in

a) Kerala

b) Karnataka

c) Gujarat

d) Rajasthan

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10. Autumn colouration of leaves appears only in

a) Tropical regions

b) Evergreen plants

c) Deserts

d) Temperate deciduous plants

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