Question

In order to maintain proper ecological balance
A. The existing forest would be cleared and new one should be planted.
B. Some quick growing annual should be planted a tree must be cut for other uses
C. Tree must be cut whenever necessary because the underground part performs a useful purpose.
D. A tree needed to be planted in place of one to be cut.

Answer 1

Hint:-The NPP has an aim of keeping 33% of land area under forest in India because this percentage is considered as the minimum essential for maintaining the ecological balance in a certain country.

Complete step-by-step solution:-
The ecological imbalance takes place due to the interaction of humans with the environment in order to deplete and degrade the natural environment. For some decades humans have been engaged in activities that depletes and degrades the natural environment. Depletion of resources is a major threat to ecological imbalance.
Trees keep up the ecological balance for example association of biological systems in nature. Trees discharge oxygen noticeable all around through photosynthesis which is fundamental for some, life-continuing responses. Trees give safe houses to untamed life and nourishment for all living beings.
 They help in pouring and diminish environmental pollution.. In any case, with the expanding interest for resources, trees are being cut and deforestation is expanding which can impactly affect nature. Subsequently, at whatever point a tree is cut, a tree ought to be planted instead of that since it requires some investment for a tree to develop yet less an ideal opportunity to cut.
Several steps can be followed in order to work the ecological imbalance of nature that are given as under-
1. Social equity and peace
2. Appropriate development
3. Conservatism
4. Sustainable development
So from the above discussion we can conclude that the correct answer is option D.

Note:- India is one of the countries that is having a forest policy since 1894. The policy was reviewed in 1952 and again in 1988. The main target of the revised forest policy of 1988 is to conserve and develop the forests.