Question

Excretion means-

• A. Removal of nitrogenous substances
• B. Formation of those substances that have some role in the body
• C. Removal of such substances that have never been part of the body
• D. All of the above

Answer 1

The correct option is A

Removal of nitrogenous substances

The correct option is A:

Explanation of the correct option:

1. The process through which the body gets rid of waste materials and nitrogenous by-products of metabolism is known as excretion.
2. Organisms regulate osmotic pressure, the balance of inorganic ions and water, and acid-base balance through excretion.
3. As a result, the procedure supports equilibrium.

Explanation of the incorrect option:

Option B:

1. Excretion is the removal of waste material, so the substances that play a role in the body are removed by excretion

Option C:

1. It is the process of removal of materials that is the part of the body but present in excess.

Option D:

1. The correct answer is the removal of nitrogenous waste.

Final answer: Excretion means Removal of nitrogenous substances