INDIAN GEOGRAPHY

MINERAL AND ENERGY RESOURCES IN INDIA

MINERALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Assertion(A):Environmental Aspects must be looked before building a dam.Reason(R):Large amount of Land is going to get submerged and we need to keep a check on these things.
A
Both A and R are True and R is the correct explanation of A
B
Both A and R are True but R is not the correct explanation of A
C
A is true and R is false.
D
A is false and R is true
Explanation: 

Detailed explanation-1: -Construction of a huge dam creates large scale destruction of natural vegetation and wildlife in those areas which get submerged. This is not good for the ecosystem. Hence, environmental aspects must be carefully looked into before building huge dams.

Detailed explanation-2: -(i) Environmental aspects must be carefully looked into before building huge dams. (ii) Most industries are concentrated around coal mines. (iii) Petroleum is referred to as “black gold”. (iv) Quarrying can become a major environmental concern.

Detailed explanation-3: -The problems associated with the construction of large dams are: Excessive sedimentation and salinity in the reservoir. Waterlogging: This needs to be done so that the reservoir can be built. Soil erosion: A large area might need to be underwater for the reservoir.

Detailed explanation-4: -Large dams have led to the extinction of many fish and other aquatic species, the disappearance of birds in floodplains, huge losses of forest, wetland and farmland, erosion of coastal deltas, and many other unmitigable impacts.

There is 1 question to complete.