Question

1. Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Cytokinin.​

Answer 1

REQUIRED ANSWER

⇒ (d) Cytokinin is the correct answer. ✔️

REASONS :-

(a) Insulin :-

• It is produced by the human body.
• It regulates the amount of sugar production in our body.

(b) Thyroxin :-

• It is produced by thyroid gland in human body.
• It has the control over growth and development of an individual.

(c) Oestrogen :-

• It is produced by female reproductive organ ( ovaries ).
• It has the control over secondary sexual characteristics.

(d) Cytokinins :-

• It is produced by plants.
• It initiates cell division.

∴ Out of all the harmones , CYTOKININS is the plant harmone.