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NEET - Biology Chemical Coordination and Integration Practice Q & A

17495.Damage to thymus in children may lead to
Loss of antibody mediated immunity
Reduction in stem cell production
Reduction of hemoglobin content of blood
Loss of cell-mediated immunity
17496.ACTH stimulates the adrenal cortex to release a group of hormones called ______.
Mineralocorticoid
Glucocorticoid
Endorphins
Glucagon
17497.Which one of the followings is the primary target organ of aldosterone?
Kidney
Pancreas
Liver
Both (B) and (C)
17498.During growth period release of too much growth hormone can lead to
Cretinism
Acromegaly
Gigantism
Simmond's disease
17499.The nerve centres which control the body temperature and the urge for eating are contained in
Thalamus
Hypothalamus
Pons
Cerebellum
17500.Which of the hormone(s) has effects on the stomach, pancreas, and gallbladder?
Secretin
Cholecystokinin
Gastrin
All of the above
17501.Hormone responsible for the secretion of milk after parturition
ICSH
Prolactin
ACTH
LH
17502.In human adult females oxytocin
Causes strong uterine contractions during parturition
Is secreted by anterior pituitary
Stimulates growth of mammary glands
Stimulates pituitary to secrete vasopressin
17503.Given below is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B
and C.
GLANDSSECRETIONEFFECT ON BODY
AOestrogenMaintenance of secondary
sexual characters
Alpha cells of Islets of
Langerhans
BRaises blood sugar level
Anterior pituitaryCOver secretion leads to gigantism

ABC
(1)PlacentaGlucagonCalcitonin
(2)OvaryGlucagonGrowth hormone
(3)PlacentaInsulinVasopressin
(4)OvaryInsulinCalcitonin
Option (1)
Option (2)
Option (3)
Option (4)
17504.Which of the following is the function of Adrenaline?
Helps in gastric juice secretion
Increases heart rate and blood pressure
Increases blood calcium
Helps in milk secretion
17505.Endemic goitre is a state of
Increased thyroid function
Normal thyroid function
Decreased thyroid function
Moderate thyroid function
17506.An enlarged thyroid is the result of ______ deficiency.
Calcium
Iodine
Iron
Phosphorus
17507.Deficiency of adrenal cortex hormones results in
Tetany
Acromegaly
Addison disease
Cretinism
17508.The primary androgen produced by males is ______.
Epinephrine
Aldosterone
Cortisol
Testosterone
17509.In children, hypothyroidism (underactive thyroid gland) can lead to ______
Goiter
Acromegaly
Cretinism
Myxedema
17510.Which of the following hormone is chemically glycoprotein?
Growth hormone
Prolactin
Erythropoietin
Estrogen
17511.In Male the sex hormone that maintains sexual organs and secondary sex characteristics is
Progesterone
Estrogen
Testosterone
Relaxin
17512.In which of the following pairs, the hormone of endocrine glands and its primary action is mismatched.
Calcitonin - Lower blood calcium levels
Parathyroid - Raises blood calcium levels
Somatostatin - Inhibits release of glucagon
Melatonin - Regulates the rate of cellular metabolism
17513.Islets of Langerhans are found in
Anterior Pituitary
Kidney Cortex
Spleen
Endocrine pancreas
17514.Which one of the following pairs is incorrectly matched?
Insulin – Diabetes mellitus (disease)
Glucagon – Beta cells (source)
Somatostatin – Delta cells (source)
Corpus luteum – Relaxin (secretion)
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