Biology : Chemical Coordination and Integration

Gonadotrophins are secreted from

• gonads

• anterior pituitary

• posterior pituitary

• antidiuretic hormone

During emergency, which of the following hormone is secreted ?

• Aldosterone

• Thyroxine

• Adrenalin

• Calcitonin

The islets of Langerhans are found in

• pancreas

• stomach

• liver

• alimentary canal

ADH controls water permeability of

• collecting tube

• distal convoluted tubule

• proximal convoluted tubule

• bowman's capsule

Acromegaly is due to hypersecretion of

• thyroxin

• prolactin

• insulin

• growth hormone

Which of the following hormone stimulates the gastric secretion ?

• Enterogastrone

• Gastrin

• CCK-PZ

• Villikinin

Thyroid deficiency in infant leads to :

• hypothyroidism

• myxoedema

• cretinism

• thyrotoxicosis

Mammalian prolactin is secreted by :

• adenohypophysis

• neurohypophysis

• adrenal cortex

• adrenal medulla

Hypersecretion of growth hormone in the period of growth lead to :

• acromegaly

• cushing syndrome

• midgets

• cretinism

Which of the following does not match ?

• Pancreas - Glisson's capsule

• Antigen - Antibody

• Thyroid - Goitre

• Enzyme - Substrate