1) The Forest Act of 1927 needs to be reversed again to bring it in consonance with the modern day requirements of protecting preserving and expanding the country's meager forest resources and the attended benefits such as: a. Water b. Wood c. Wildlife d. Energy e. All of the above
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2) Terracing is an affective method of soil conservation: a. Desert areas b. Hilly areas c. Plains d. Riverine areas
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3) Which is the main causative factor for desertification? a. Irrigated agriculture b. Overgrazing c. Tourism d. Developmental activities
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4) Deforestation may reduce the chances of: a. Rain fall b. Frequent cyclones c. Erosion of surface soil d. Frequent landslides
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5) Deforestation causes: a. Soil erosion b. Pollution c. No floods d. None of these
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6) One of the following crops is the most effective in controlling soil erosion: a. Cotton b. Pigeon pea c. Green gram d. Maize
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7) Sheet erosion is caused by: a. Fast running rivers b. Wind c. Heavy rains d. Glaciers
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8) Soil conservation means: a. Prevention of spread of desert b. To check soil erosion by wind and rains c. To check soil erosion by afforestation d. All of these
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9) Soil conservation can best achieved by having: a. Wind screens b. Good plant covers c. Restricted human activity d. Low rainfall
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10) Main indicator of soil erosion is: a. Deforestation b. Afforestation c. Ozone layer d. Goats and grazing animals
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11) Dark coloured soils are considered most fertile as they contain: a. Gravel and sand b. Sand and calcium c. Clay and humus d. Silt and earthworms
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12) Which of the following prevents afforestation in deserts: a. Goat and grazing animals b. Local resident c. Unfertility of soil d. Low rainfall
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13) Eroded soils are: a. Rich in plant nutrients b. Unaltered in plant nutrients c. Devoid of plant nutrients d. All of these
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14) Fifth of June is celebrated as: a. World environment day b. Darwin's birthday c. World health and hygiene day d. World population day
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15) Mulching helps in: a. Moisture conservation b. Weed control c. Improvement of soil structure d. Increasing soil fertility
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16) The ecological equilibrium in mined areas can be achieved by: a. Preventing soil erosion b. Developing a vegetational cover c. Preventing overgrazing d. Introducing agriculture
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17) Agrostology is related with the study of: a. Agricultural growth b. Epiphytes c. Grasses d. Nematode disease
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18) What is the major cause of diminishing wild life? a. Cannabalism b. Habitat destruction c. Felling of trees d. Paucity of drinking water
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19) Rotation of crop is essential for: a. Increasing fertility of soil b. Increasing quality of protein c. Getting different kinds of crops d. Increasing quality of minerals
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20) Soil erosion can be reduced by: a. Reducing over grazing b. Planting proper plants c. Making dams d. All of those
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21) Soil erosion can be prevented by: a. Deforestation b. Heavy rains c. Afforestation d. Over grazing
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22) Which of the following plants is used as windbreak? a. Delonix b. Mangifera c. Eucalyptus d. Prosopis
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23) "Chipko Movement" is related to: a. Plant conservation b. Project tiger c. Animal breding d. Operation flood
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24) In order to maintain proper ecological balance: a. The existing forests should be cleared and new ones should be planted b. Some quick growing anuals should be planted if a tree must be cut for other uses c. Tree must be cut whenever necessary because the underground part performs the useful purpose d. A tree should be planted in place of one to be cut
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25) Side effect of heavy and constant grazing is that the: a. Upper layers of soil are loosened and are eroded b. Lower layers are made more compact and root respiration is interfered with c. Lower compact layers make root penetration difficult d. All of the above
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26) Soil erosion is prevented by: a. Afforestion b. Deforestation c. Denudation d. Overgrazing
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27) Constant grazing and browsing in an area may ultimately result in the formation of: a. Dense forest b. Grassland c. Bushy vegetation d. Desert
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28) The possible beneficial effect of the grazing animals is: a. Addition of their excreta to the soil b. Eradication of weeds c. Removal of wild plants d. Removal of wild animals
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29) When young plants are grazed too heavily they get killed because: a. The roots are starved b. Of the mechanical injury to roots c. Most of the aerial parts are eaten away d. All of the above
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30) Soil erosion can be prevented by: a. Allowing herbivorous animals to graze excessively b. Growing plants to form a soil cover c. Making the land slopy d. Increasing fertility
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31) The grazing animals can change the type of vegetation by: a. Bringing in plant pathogens b. Selective grazing c. Cross pollination d. Bringing the seeds of other plants
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32) The cutting of trees from the forests of hill near a catchment area: a. Will have no effect on causing floods in plain b. May cause flood in plains in rainy season c. Will have no effect on climatic condition of that area d. Will benefit the mankind for more area for cultivation
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33) Grasses possess great regenerative power because they are: a. Dominat species b. Rhizomatous c. Constantly grazed d. fast growing
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34) To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called: a. Ley farming b. Mulching c. Basin listing d. Strip cropping
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35) Soil erosion in plains consequent to rain fall is initiated by: a. Rill erosion b. Sheet erosion c. Gully erosion d. All of these
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36) The term riparian erosion is applied to: a. Gully erosion b. Slip erosion c. Wind erosion d. Stream bank erosion
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37) It occurs under normal conditions: a. Geological erosion b. Surface creep c. Both (a) & (b) d. Accelerated erosion
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38) Erosion of very fine particles is seen on account of: a. Saltation b. Suspension c. Surface creep d. Shifting of dunes
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39) If the top soil has been eroded, we retire a land and grow over it: a. Lichens b. Blue-green algae c. Legumes d. Grasses
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40) If the same crop is repeatedly grown in a field: a. Nitrogen starvation many result b. Specific mineral deficiency may arise c. Soil will become prone to diseases d. Water level in soil will recede
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