Which of the following have come into wake of the green revolution?

(1) Organic Farming

(2) Water logging

(3) Soil salinity

(4) Both 2 and 3

Subtopic:  Agrochemical & Radioactive Waste |
 69%
From NCERT
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Find the wrong one out.

(1) Due to increased urbanisation, desertification is the major problem.

(2) Irrigation without proper drainage of water leads to waterlogging in the soil, affects the crops

(3) Waterlogging affects the crops and hence the agriculture

(4) Waterlogging cause salt to go downwards

Subtopic:  Resource Utilisation & Maintenance |
 79%
From NCERT
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According to an estimate, almost…….

Forests have been lost in the tropics compared to  only …… in  the temperate regions.

(1) 20%, 10%

(2) 60%, 12%

(3) 40%, 1%

(4) 30%, 2%

Subtopic:  Resource Utilisation & Maintenance |
 69%
From NCERT
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Which of the following statements is not correct?

(1) At the beginning of the twentieth century, forests covered about 30% of the land of India

(2) By the end of the twentieth century, forest area shrunk to 21.54%

(3) According to National Forest Policy of India has recommended 33% forest cover for the plains.

(4) According to National Forest Policy India(1982) has recommended 76% forest cover for the hills

Subtopic:  Resource Utilisation & Maintenance |
 76%
From NCERT
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Which of the cultivation is responsible for deforestation?

(1) Slash and Burn Agriculture

(2) Jhum Cultivation

(3) Both A and B

(4) Cyclic Agriculture

Subtopic:  Resource Utilisation & Maintenance |
 92%
From NCERT
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Jhum cultivation causes deforestation in

(1) North western states of India

(2) South India

(3) North Eastern state of India

(4) North India

Subtopic:  Resource Utilisation & Maintenance |
 81%
From NCERT
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In Jhum cultivation, what is the probable fertiliser?

(1) Cow dung

(2) Ash

(3) Compost

(4) Cattle excreta

Subtopic:  Resource Utilisation & Maintenance |
 85%
From NCERT
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What is the difference between Jhum cultivation of earlier days and now a days?

(1) Time gap for the recovery of land is increased

(2) Time gap for the recovery of land is decreased

(3) Ash is not used as fertilizer anymore.

(4) No more forests are burn.

Subtopic:  Resource Utilisation & Maintenance |
 74%
From NCERT
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Which of the following is not an outcome of deforestation?

(1) Enhanced CO2 concentration

(2) Disturbed hydrologic cycles

(3) Loss of Biodiversity, soil erosion

(4) Soil salinity

Subtopic:  Resource Utilisation & Maintenance |
 71%
From NCERT
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Reforestation can

(1) Occur naturally

(2) Be speeded by planting trees with due consideration to biodiversity that earlier existed in that area

(3) Occur during Jhum cultivation

(4) All of these

Subtopic:  Resource Utilisation & Maintenance |
 64%
From NCERT
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