Over Antarctica region, the ozone hole is

(1) Due to no formation of Ozone

(2) Due to high formation and low degradation of ozone

(3) Due to low formation and high degradation of ozone

(4) Due to no degradation of ozone

Subtopic:  Ozone Layer Depletion |
 86%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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UV-B

(1) Damages DNA and causes mutation

(2) Ageing of skin and damage to the skin cells and cause various types of skin cancer

(3) Inflammation of cornea, cataract

(4) All of these

Subtopic:  Ozone Layer Depletion |
 95%
From NCERT
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Snow Blindness and cataract is caused by

(1) UV-A

(2) UV-B

(3) UV-C

(4) All of these

Subtopic:  Ozone Layer Depletion |
 92%
From NCERT
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Soil Erosion and desertification least likely resulted in which of the following cases?

(1) Over Cultivation

(2) Unrestricted Grazing

(3) Deforestation, Poor Irrigation Practices

(4) Proper resource Utilization and Maintenance

Subtopic:  Resource Utilisation & Maintenance |
 64%
From NCERT
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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 |
 78%
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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