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Q 1. More soil erosion occurs where there is-
No rainfall
Low rainfall
High rainfall
None of the above
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Q 2. Which is most suitable soil for plant growth ?
Gravel
Loam
Sand
Clay
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Q 3. Frequent floods in plains of Northern India is due to–
Excessive rainfall
Siltation of dams
Deforestation in catchment areas
Agriculture
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Q 4. Conservation refers to -
Management of natural resources
Judicious use of natural resources
Protection of natural ecosystems
All of the above
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Q 5. Soil conservation is –
Aeration of soil
Erosion of soil
Protection of soil against loss
Conversion of sterile soil into fertile soil
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Q 6. Removal of top fertile layer of soil by wind or water is called –
Leaching
Erosion
Siltation
Weathering
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Q 7. Soil erosion can be prevented by–
Increase in bird population
Afforestation
Over-grazing
Removal of vegetation
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Q 8. MAB stands for –
Man and Biodiversity
Mammals and Biosphere
Man and Biosphere
Man and Biology
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Q 9. What is the main cause of extinction of wild life ?
Urbanisation
Poaching
Felling of trees
All of the above
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Q 10. A National Park provides protection to -
Flora only
Fauna only
Flora and fauna
Entire ecosystem
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Q 11. Conservation refers to -
Management of natural resources
Protection of natural resources
Proper use of natural resources
All of the above
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Q 12. Deforestation is the major cause of-
Environmental pollution
Genetic erosion
Desertification of habitat
Depletion of natural resources
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Q 13. Red Data Book' provides information of :
Threatened species
Biota of Red Sea
World flora
World fauna
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Q 14. Forests control drought through-
Increasing rainfall
Functioning as water shed
Large trees
Retention of water and prevention of soil erosion
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Q 15. Plants and animals are best protected in-
Sanctuaries
Botanical gardens
Zoos
National parks
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Q 16. Forests-
Maintain natural balance
Control atmospheric pollution
Prevent soil erosion
All of the above
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Q 17. 5th June is -
World population day
World health day
World environment day
World animal day
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Q 18. Chipko movement' is connected with-
Project tiger
Plant breeding
Protection of environment including habitat and wild life
Conservation of natural resources
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Q 19. A threatened species is-
Rare
Endangered
Vulnerable
All of the above
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Q 20. An example of in situ conservation is-
Zoo
Pond
Biosphere reserve
Seashore
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Q 21. Wildlife refers to :
Any living organism kept in cage
Any living organism present in sanctuary
Any plant species growing in garden
Any living organism in its natural habitat
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Q 22. The cause of extinction of species is :
Man made forest fire
Excessive grazing
Inroduction of exotic species
All of the above
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Q 23. Aim of conservation is :
To preserve the quality of environment i.e. maintain a pollution - free environment.
To ensure a continuous yield of useful plants, animals and materials for generations to come
1 and 2 both
None of the above
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Q 24. How many megadiversity centres present in all over the world?
5
7
10
12
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Q 25. Asiatic lion protected in :
Gir Forest National Park, Gujarat.
Sunderban National Park, Westbengal.
Kanha National Park, Madhya Pradesh.
All the above