Question

Control of various activities in living beings is done by

• A. chemicals
• B. nerves
• C. chemical and nerves
• D. none of these

Answer 1

The correct option is C

chemical and nerves

The correct option is C.

Explanation of correct option:

1. The organism lives in an environment where numerous environmental factors such as light, chemicals, gravity, heat, water, etc. Thus, it has an impact on it.
2. These factors may be detrimental to the organism and affect its life. As a result, organisms require a system to learn about their surroundings and protect or respond to them. So that people can live more comfortably in their surroundings.
3. Animals, for example, have nervous and chemical systems that allow them to control and coordinate their bodies.
4. Plants, for example, have a chemical system that allows them to control and coordinate their bodies.

Explanation of incorrect options:

Both chemicals and nerves play an important role in the control of various activities in living beings individually. Hence, chemicals or nerves alone are incomplete choices.

Control of various activities in living beings is done by chemicals and nerves.