Question

A plant growth regulator which helps to achieve respiratory climatic during the ripening of fruit is:

• A. Cytokinin
• B. Ethylene
• C. Auxin
• D. Gibberellins

Answer 1

Answer:

B. Ethylene

• Respiratory climatic is referred to as the rise in the rate of respiration during the ripening of fruits. The rise of respiration is sudden and sharp.

• It is associated with a plant hormone known as ethylene.

• Ethylene is a gaseous plant growth regulator which is associated with the ripening of the fruits.