Question

Which of the following reason(s) make plants (both terrestrial and aquatic) important for the survival of all life forms?

• A. They produce food for other living organisms.
• B. They fill up all the empty spaces.
• C. They produce carbon dioxide.
• D. They produce oxygen.

Answer 1

Answer: (A), (D)

The correct options are
A

They produce food for other living organisms.

D

They produce oxygen.

Plants carry out a process called photosynthesis by which they produce glucose by using carbon dioxide, water and sunlight. Oxygen is the by-product of this process. Plants and animals inhale this oxygen during respiration. Glucose produced by plants acts as the source of energy for living organisms.