Q.

Statement 1: Acid rain is harmful for agriculture, trees and plants.Statement 2: Acid rain dissolves and washes away nutrients need for the growth of agriculture, trees and plants.

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a

Both statements 1 and 2 are correct

b

Statement 1 is correct and statement 2 is incorrect

c

Statement 1 is incorrect and statement 2 is correct

d

Both statements 1 and 2 are incorrect

answer is A.

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Detailed Solution

Acid rain is harmful for agriculture, trees and plants by the following ways.(i) Leaf pigments (chlorophyll) is affected by acidic water thus agricultural productivity is decreased.(ii) Some non-woody plants such as barley, cotton) and fruit trees (such as apple, pear) are among the most susceptible to acid rains.(iii) Due to the acid rain plant nutrients are leached from the soil.(iv) Due to acid rain aluminum is released damaging root system, seeds stop germinating, helpful soil organisms are killedAlOH3Insoluble+ 3H+ → Al3+ + 3H2Osoluble (Toxic in nature)(v) Acid rain destroys ecological balance by damaging animal life and certain algae.(vi) Metallic surfaces and limestone dolomite, etc., are damaged by acid rains.
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