Multiple choice

Nitrogen is one of the useful gases. Which of the following statements is not a correct?

  1. Nitrogen is used in slowing down the process of combustion.

  2. It dilutes the concentration of oxygen.

  3. Nitrogen is used in the manufacture of ammonia.

  4. Aquatic plants use dissolved nitrogen for respiration.

  5. Nitrogen is required in plants and is part of chlorophyll pigment.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as this statement is not correct. Fishes and aquatic plants do not use dissolved nitrogen for breathing and respiration. Dissolved oxygen is used by fishes and aquatic plants for breathing.