Question

Reproduction is essential for living organisms in order to

• A. keep the individual organism alive
• B. fulfil their energy requirement
• C. maintain growth
• D. continue the species generation after generation

Answer 1

The correct option is D

continue the species generation after generation

The correct option is D.

Explanation for correct option-

1. Reproduction is a life process involving producing new individuals of the same species.
2. This helps in the continuity of a species for generation after generation.

Explanation for incorrect options-

Option A:

1. Life processes like nutrition, respiration and excretion are essential to keep an individual organism alive.
2. Reproduction, however, is not required to keep the organism alive.

Option B:

1. Nutrition and respiration are the two life processes required to fulfil energy requirements.
2. Nutrition helps in the intake of food and its absorption, whereas respiration helps break glucose to release energy in the form of ATP.

Option C:

1. Growth is the increase in the size of an organism and is regulated through various processes like nutrition.
2. However, reproduction is not involved in maintaining the growth of an organism.

Final answer: Reproduction is essential for living organisms as it allows different species to continue their existence generation after generation.