NCERT Class 10 Science animal and plant hormones along with their origin

Hormone Name	Origin (Gland/Organ)	Function
Growth Hormone (GH)	Pituitary Gland	Regulates body growth.
Thyroxine (T4)	Thyroid Gland	Controls the body’s metabolic rate.
Insulin	Pancreas	Regulates blood glucose levels.
Adrenaline	Adrenal Gland	Prepares the body for sudden fear, stress, or excitement (Fight or Flight response).
Estrogen	Ovary	Develops secondary sexual characteristics in females.
Testosterone	Testis	Develops secondary sexual characteristics in males.

Hormone Name	Origin (Tissue/Organ)	Function
Auxin	Shoot tip, stem, and root meristem	Regulates plant growth and controls phototropism (bending towards light).
Gibberellin	Shoot, seed, leaves	Increases stem length and promotes seed germination.
Cytokinin	Root tip	Promotes cell division and keeps leaves green.
Ethylene	Fruits	Helps in fruit ripening.
Abscisic Acid (ABA)	Leaves, seeds	Helps plants respond to stress and regulates leaf and fruit shedding.