Question

The process of exchange of gases between the organisms and surroundings is called

• A. Transpiration
• B. Anaerobic respiration
• C. Breathing
• D. Photosynthesis

Answer 1

The correct option is C

Breathing

The correct option is C.

Explanation of the correct option

1. The intake of oxygen that is carried to the tissues from the lungs is called inhalation.
2. Exhalation is when the carbon dioxide is carried from the tissues to the lungs.
3. Breathing involves both inhalation and exhalation.

Explanation of the incorrect options:

Option A:

1. Transpiration is the process that occurs in plants.
2. Water evaporates from the aerial parts of the plants during transpiration.
3. Transpiration does not involve gas exchange.

Option B:

1. Anaerobic respiration is the breakdown of complex organic compounds into smaller elements.
2. Anaerobic respiration breaks down glucose into alcohol, CO₂ and energy.

Option D:

1. Photosynthesis occurs in green plants due to the presence of photosynthetic pigments.
2. This process involves the synthesis of carbohydrates and oxygen in presence of CO₂ and sunlight.
3. Photosynthesis does not involve a gas exchange in organisms.

Breathing is the exchange of gases between the organism and its surroundings.