During drought conditions ,the plants produce a hormone known as
ethylene
abscisic acid
indole acetic acid
indole butyric acid
Which one of the following four glands is correctly matched with the accompanying description?
thymus - starts undergoing atrophy after puberty
thyroid - hyperactivity in young children causes cretinism
pancreas - delta cells of the islets of Langerhans secrete a hormone which stimulates glycolysis in liver
parathyroid - secretes parathormone which promotes movement of calcium ions from blood into bones during calcification
Genetic dwarfness can be overcome by treating it with
auxin
gibberellin
anti-gibberellin
Which gland is located above the kidney?
Thyroid
Pineal
Adrenal
Pituitary
Ethylene gas is used for
growth of plants
ripening of fruits
delaying fruit's abscission
stopping the leaf abscission
Diabetes insipidus is due to
hyposecretion of insulin
hyposecretion of vasopressin
hypersecretion of insulin
hypersecretion of vasopressin
Acromegaly is due to the hypersecretion of
insulin
thyroxin
prolactin
growth hormone
Which of the following is secreted when the individual (humans) is stressed due to illness or injury?
glucon
cortisol
The hormone which controls cell division and cell differentiation is
ABA
cytokinin
FSH is secreted by
thyroid
hypothalamus
anterior pituitary
posterior pituitary
