Question

Man can maintain an ecological balance in the biosphere by ____________.

• A. Deforestation
• B. Developing new breeds of cultivated plants and demesticated animals
• C. Using insecticides and pesticides
• D. Understanding the delicate balance in the relative number of organisms

Answer 1

The correct option is D Understanding the delicate balance in the relative number of organisms

Deforestation, developing new breeds and using pesticides all lead to a disturbance in the ecological balance as it affects the stability of the ecosystem. Understanding the delicate balance in the number of organisms is essential for maintaining ecological balance.

Hence the correct option is D.