Which of the following is an animal hormone?

Correct option is C

The correct answer is (C) Insulin.

Explanation:
Insulin is a hormone produced by the pancreas in animals, responsible for regulating blood sugar levels by facilitating the uptake of glucose into cells.

Information Booster:

• Insulin: Secreted by the beta cells of the pancreas.
• Function: Regulates the metabolism of carbohydrates, fats, and proteins by promoting glucose absorption.
• Discovery: First isolated in 1921 by Frederick Banting and Charles Best, leading to a breakthrough in diabetes treatment.

Additional Information:

• Auxin – A plant hormone that promotes cell elongation and growth.
• Gibberellins – Plant hormones involved in seed germination, growth, and flowering.
• Cytokinins – Plant hormones that promote cell division and shoot formation.