12th Class Biology MCQs Ch.17 Coordination & Control MDCAT

MCQs Biology F.Sc. Part 2 ( 2nd Year )
Chapter No.17
Coordination and Control
Total MCQs = 219
All MCQs taken from Old MDCAT Tests

81. Alzheimer disease (AD), is a progressive, degenerative brain disease. Its symptoms include:

(A) Dementia
(B) Hallucination
(C) Delusions
(D) All (A), (B) and (C)

Answer:
(D) All (A), (B) and (C)

82. Endocrine glands typically:

(A) Arc ductless
(B) Release enzymes
(C) Release neurotransmitters
(D) Release their contents out of the body

Answer:
(A) Arc ductless



83. Islets of Langerhans are found in the:

(A) Thyroid
(B) (B) Thymus
(C) Pancreas
(D) Pituitary

Answer:
(C) Pancreas

84. Cortisol is released from the

(A) Parathyroid
(B) Adrenal cortex
(C) Hypothalamus
(D) Posterior pituitary

Answer:
(B) Adrenal cortex

85. Calcium is released from bone into the bloodstream due to the action of:

(A) ADH
(B) GnRH
(C) LH
(D) PTH

Answer:
(D) PTH




86. Aldosterone is produced by which gland that causes reabsorption:

(A) Thyroik; sodium
(B) Pituitary; water
(C) Adrenal; sodium
(D) Thymus; white blood cells

Answer:
(C) Adrenal; sodium

87. Blood calcium is lowered by the hormone:

(A) Calcitonin
(B) Glucagon
(C) Adrenalin
(D) Thyroxine

Answer:
(A) Calcitonin

88. An oversecretion of GH or (STH) would lead to

(A) Goiter
(B) Diabetes
(C) Infertility
(D) Gigantism

Answer:
(D) Gigantism



89. Which pair of hormones act antagonistically?

(A) Glucagon and Cortisol
(B) Insulin and Adrenalin
(C) Luca of and insulin
(D) Glucagon and Adrenalin

Answer:
(C) Luca of and insulin

90. This hormone would be at an increased level in a mother who is breast feeding:

(A) Thyroxine
(B) Prolactin
(C) Aldosterone
(D) Insulin

Answer:
(B) Prolactin

Click for More Online Biology MCQs Tests