Describe an experiment which demonstrates that growth stimulating hormone is produced at the tip of coleoptile.

Where are estrogens produced? What is the role of estrogens in the human body?

What would be expected to happen if
a) Gibberellin is applied to rice seedlings.
b) A rotten fruit gets mixed with unripe fruits.
c) When cytokinin is not added to culture medium

Senthil has high blood pressure, protruded eyeball and an increased body temperature. Name the endocrine gland involved and hormone secretion responsible for this condition.

Susan’s father feels very tired and frequently urinates. After clinical diagnosis he was advised to take an injection daily to maintain his blood glucose level. What would be the possible cause for this? Suggest preventive measures.