Snow Blindness and cataract is caused by

(1) UV-A

(2) UV-B

(3) UV-C

(4) All of these

(1) An International Treaty

(2) Was signed at Montreal (canada)

(3) To control the emission of Ozone depleting substances

(4) Was effective in 1987

(1) Over Cultivation

(2) Unrestricted Grazing

(3) Deforestation, Poor Irrigation Practices

(4) Proper resource Utilization and Maintenance

(1) Organic Farming

(2) Water logging

(3) Soil salinity

(4) All of these

(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

(1) 20%, 10%

(2) 60%, 12%

(3) 40%, 1%

(4) 30%, 2%

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

(2) By the end of the twentieth century, forest area shrunk to 19.4 %

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

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

(1) Slash and Burn Agriculture

(2) Jhum Cultivation

(3) Both A and B

(4) Cyclic Agriculture

(1) North western states of India

(2) South India

(3) North Eastern state of India

(4) North India