Biology : Chemical Coordination and Integration

The contraction of gall bladder is due to

• Gastrin

• Secretin

• Cholecystokinin

• Enterogastrone

Apoenzyme is

• Protein

• Carbohydrate

• Vitamin

• Amino acid

Follicle Stimulating Hormone is secreted by

• anterior lobe of pituitary

• hypothalamus

• gonads

• poterior lobe of pituitary

Which of the following is the largest gland in an adult man?

• Thymus

• Liver

• Thyroid

• Pancreas

During emergency which of the following hormone is secreted?

• Aldosterone

• Thyroxine

• Adrenalin

• Calcitonin

The function of pineal body is to

• lighten the skin colours

• control sexual behaviour

• regulates the period of puberty

• All of the above

The reabsorption of water in the kidney is under the control of

• LH

• ADH

• STH

• ACTH

Which is gonadotropin hormone

• GH

• MSH

• ADH

• FSH and LH

Damage to thymus in a child may lead to

• a reduction in haemoglobin content of blood

• a reduction in stem cell production

• loss of antibody mediated immunity

• loss of cell mediated immunity

Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter

• acetylcholine

• norepinephrine

• dopamine

• GABA