question_answer 1)
According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will:
A)
Not respond to the hormone. done
clear
B)
Continue to respond to hormone without any difference. done
clear
C)
Continue to respond to the hormone but in the opposite way. done
clear
D)
Continue to respond to the hormone but will require higher concentration. done
clear
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question_answer 2)
Endocrine glands produce or action of endocrine glands is mediated through:
A)
Hormones done
clear
B)
Enzymes done
clear
C)
Minerals done
clear
D)
Vitamins done
clear
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question_answer 3)
Ovulation in humans is controlled by:
A)
FSH and LTH done
clear
B)
FSH and GH done
clear
C)
LTH and LH done
clear
D)
FSH and LH done
clear
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question_answer 4)
Deficiency of vasopressin primarily results in:
A)
Increased volume of urine done
clear
B)
Decreased volume of urine done
clear
C)
Excessive secretion of urochrome done
clear
D)
Change in pH from acidic to alkaline range. done
clear
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question_answer 5)
The first hormone artificially produced by genetically engineered bacteria is:
A)
Insulin done
clear
B)
Somatotropin done
clear
C)
Testosterone done
clear
D)
Adrenaline done
clear
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question_answer 6)
Which endocrine gland stores its secretion in extracellular spaces before discharging it info blood?
A)
Testis done
clear
B)
Pancreas done
clear
C)
Thyroid done
clear
D)
Adrenal done
clear
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question_answer 7)
Pineal body develops from:
A)
Dorsal part of diencephalon done
clear
B)
Ventral part of diencephalon done
clear
C)
Ventral side of cerebellum done
clear
D)
Lateral s0ide of cerebrum done
clear
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question_answer 8)
If thyroxine is added in a beaker which has some small tadpoles then:
A)
All tadpoles die. done
clear
B)
They metamorphose very fast. done
clear
C)
They develop small body. done
clear
D)
They develop a giant body. done
clear
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question_answer 9)
Which of the following hormones is a cholesterol- derivative?
A)
Estrogen done
clear
B)
Prostaglandin done
clear
C)
Epinephrine done
clear
D)
All of these done
clear
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question_answer 10)
"Upregulation" of hormone receptors refers to:
A)
Increase in hormone receptor numbers with low hormone levels. done
clear
B)
Increase in hormone receptor numbers with high neurotransmitter levels. done
clear
C)
Increase in hormone levels produced by increase in hormone receptor numbers. done
clear
D)
Decrease in hormone levels produced by decrease in hormone receptor numbers. done
clear
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question_answer 11)
The hormone released by "X" marked in the given figure helps to restore Y. Identify X and Y.
A)
B)
C)
D)
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question_answer 12)
The effect of prolactin hormone is on:
A)
Liver done
clear
B)
Pancreas done
clear
C)
Mammary glands done
clear
D)
Bones done
clear
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question_answer 13)
Which of the following is an example of negative feedback?
A)
Sucking reflex done
clear
B)
Uterine contractions during labour. done
clear
C)
Secretion of CRH in response to ACTH. done
clear
D)
Hair erection due to low body temperature. done
clear
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question_answer 14)
What is the effect on metamorphosis of tadpole of frog when there is less amount of iodine in water?
A)
Accelerated done
clear
B)
Delayed done
clear
C)
Stopped done
clear
D)
not affected done
clear
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question_answer 15)
Which one of the following four glands is correctly matched with me accompanying description?
A)
Thyroid - Hyperactivity in young children causes cretinism. done
clear
B)
Thymus - Starts undergoing atrophy after puberty. done
clear
C)
Parathyroid - Secretes parathormone which promotes movement of sodium ions from blood into bones during calcification. done
clear
D)
Pancreas - Delta cells of Islets of Langerhans secrete a hormone which stimulates glycolysis in liver. done
clear
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question_answer 16)
MSH of pars intermedia of pituitary is responsible for -
A)
Darkening of skin in lower verterbrates. done
clear
B)
Lighten skin colouration in lower vertebrates. done
clear
C)
Both [a] and [b] done
clear
D)
Darkening of skin in human beings. done
clear
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question_answer 17)
Function of enterogastrone is:
A)
Regulation of bile flow. done
clear
B)
Stimulation of pancreatic flow. done
clear
C)
Inhibition of gastric secretion. done
clear
D)
Stimulation of gastric secretion. done
clear
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question_answer 18)
A hormone circulating in the blood with target tissue 1, 2, and 3 could act selectively on only target tissue 1 if:
A)
Target tissue 1 had fewer hormone receptors than 2 and 3. done
clear
B)
Target tissues 2 and 3 had hormone receptors with a higher hormone affinity than 1. done
clear
C)
Target tissue 1 had hormone receptors with a higher hormone-affinity than 2 and 3. done
clear
D)
The hormone was released only in the vicinity of target tissue 1. done
clear
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question_answer 19)
Anterior lobe of pituitary secretes:
A)
ACTH, TSH and oxytocin done
clear
B)
STH, GH and ADH done
clear
C)
TSH, ADH and prolactin done
clear
D)
FSH, GH and LH done
clear
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question_answer 20)
Thymosin stimulate secretion of:
A)
Milk done
clear
B)
Erythrocytes done
clear
C)
T-lymphocytes done
clear
D)
Melanocytes done
clear
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question_answer 21)
Secretin and cholecystokinin are digestive hormones. They are secreted in:
A)
Pyloric stomach done
clear
B)
Duodenum done
clear
C)
Ileum done
clear
D)
Oesophagus done
clear
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question_answer 22)
Hormone connected with increased rate of glycogenolysis, blood pressure and heart beat is:
A)
Insulin done
clear
B)
Glucagon done
clear
C)
Adrenaline done
clear
D)
FSH done
clear
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question_answer 23)
Which of the following statements is not correct for the hormones?
A)
They act on target organs away from the source glands. done
clear
B)
They are secreted directly into the blood. done
clear
C)
They are used again and again like catalysts. done
clear
D)
They are produced in very minute quantities and are biologically very active. done
clear
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question_answer 24)
Which of the following statements is correct in relation to the endocrine system?
A)
Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones. done
clear
B)
Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones. done
clear
C)
Releasing and inhibitory hormones are produced by the pituitary gland. done
clear
D)
Adenohypophysis is under direct neural regulation of the hypothalamus. done
clear
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question_answer 25)
Which one of the following flows directly into the blood from of its production to act on an organ away from it?
A)
Glucagon done
clear
B)
Renin done
clear
C)
Cholesterol done
clear
D)
Cholesterase done
clear
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question_answer 26)
Which of the following is related to obesity, low plasma \[N{{a}^{+}}\]high \[{{K}^{+}}\] and increased blood pressure?
A)
Growth hormone done
clear
B)
Cortisol done
clear
C)
Thyroxine done
clear
D)
Adrenaline done
clear
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question_answer 27)
Uterine contraction at the child birth is stimulated by:
A)
Prolactin done
clear
B)
Progesterone done
clear
C)
Adrenaline done
clear
D)
Oxytocin done
clear
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question_answer 28)
Match column-I with column-II and select the correct answer using the codes given below.
Column-I Column-II A. Hypothalamus I. Relaxin B. Anterior pituitary II. Estrogen C. Testis III. FSH and LH D. Ovary IV. Androgens E. V. Gonadotropin releasing Hormone
A)
A-V; B-III; C-IV; D-II done
clear
B)
A-V; B-III; C-II; D-IV done
clear
C)
A-I; B-II; C-IV; D-III done
clear
D)
A-III; B-V; C-IV; D-II done
clear
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question_answer 29)
The urine of a man is very dilute and the quantity of urine is too much and dehydration has started in his body and he is very thirsty by the cause of:
A)
Hypersecretion of ADH done
clear
B)
Hyposecretion of ADH done
clear
C)
Both [a] and [b] done
clear
D)
None of the above done
clear
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question_answer 30)
Addison's disease results from:
A)
Hyposecretion of adrenal cortex done
clear
B)
Hypersecretion of adrenal cortex done
clear
C)
Hypertrophy of gonads done
clear
D)
Hyperactivity of cells of Leydig done
clear
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question_answer 31)
Injections of a hormone are sometimes given to strengthen contractions of the uterus during childbirth. What hormone might this be?
A)
Adrenocorticotropic hormone (ACTH) done
clear
B)
Thyroxine done
clear
C)
Oxytocin done
clear
D)
Insulin done
clear
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question_answer 32)
Which of the following statement is correct for thyrocalcitonin?
A)
Produced by parathyroid and decreases \[C{{a}^{++}}\]in ECF. done
clear
B)
Produced by thyroid and decreases \[C{{a}^{++}}\] in ECF. done
clear
C)
Produced by parathyroid and increases \[C{{a}^{++}}\]in ECF. done
clear
D)
Produced by thyroid and increases \[C{{a}^{++}}\]in ECF. done
clear
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question_answer 33)
A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from blood, the extra:
A)
Salts done
clear
B)
Sugar done
clear
C)
Insulin done
clear
D)
Protein done
clear
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question_answer 34)
Which of the following statements about glucocorticoids is correct?
A)
The major glucocorticoid in humans is cortisol. done
clear
B)
They are secreted by the zona fasciculate of the adrenal cortex. done
clear
C)
Secretion of these hormones is decreased in Addison's disease. done
clear
D)
All of the above done
clear
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question_answer 35)
Match column-I with column-II and select the correct answer using the codes given below.
Column-I Column-II A. Hypothalamus I. Sperm lysins B. Acrosome II. Estrogen C. Graafian follicle III. Relaxin D. Leydig cells IV. GnRH E. Parturition V. Testosterone
A)
A-IV; B-I; C-II; D-III; E-V done
clear
B)
A-II; B-I; C-IV; D-III; E-V done
clear
C)
A-II; B-I; C-V; D-IV; E-III done
clear
D)
A-IV; B-I; C-II; D-V; E-III done
clear
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question_answer 36)
Which of the following hormones have antagonistic (opposing) effects?
A)
Thyroxine and calcitonin done
clear
B)
Insulin and glucagon done
clear
C)
Growth hormone and epinephrine done
clear
D)
ACTH and glucocorticoids done
clear
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question_answer 37)
Which of the following radioactive isotope is used in the detection of thyroid cancer?
A)
Iodine-131 done
clear
B)
Carbon-14 done
clear
C)
Uranium-238 done
clear
D)
Phosphorus-32 done
clear
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question_answer 38)
Direction (For Qs. 38 and 39): The given figure shows two endocrine glands (marked as A and B) and the hormones (marked as 1 and 2) secreted from them.
Identify [A] and [B].
A)
A- Pituitary gland, B- Adrenal gland done
clear
B)
A- Hypothalamus, B- Pituitary gland done
clear
C)
A- Hypothalamus, B- Adrenal gland done
clear
D)
A- Pituitary gland, B- Hypothalamus done
clear
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question_answer 39)
Direction (For Qs. 38 and 39): The given figure shows two endocrine glands (marked as A and B) and the hormones (marked as 1 and 2) secreted from them.
Identify the hormone represented by lines 1 and 2.
A)
1-ACTH, 2-Aldosterone done
clear
B)
1-ACTH, 2-Adrenaline done
clear
C)
1-TSH, 2-Thyroxine done
clear
D)
1-TSH, 2-Aldosterone done
clear
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question_answer 40)
Jet lag occurs when a person moves rapidly from one time zone to another, causing conflict between the body's biological rhythm and the new cycle of light and dark. Some scientists suspect that jet lag may result from disruption of a daily hormone cycle. Which of the following hormones do you think is the most likely suspect?
A)
Epinephrine done
clear
B)
Insulin done
clear
C)
Melatonin done
clear
D)
Estrogen done
clear
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question_answer 41)
During pregnancy corpus luteum:
A)
Degenerates done
clear
B)
Changes to corpus albicans done
clear
C)
Persists until parturition done
clear
D)
Persists upto the middle of pregnancy done
clear
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question_answer 42)
Blood calcium levels are maintained because the bones act as a calcium sink in which calcium can either be stored or procured based on the body's needs. If a person secretes too much parathyroid hormone (one possible factor in the bone disease osteoporosis), what happens to calcium levels in the body?
A)
Bone stores are depleted and the kidney move calcium. done
clear
B)
Bone stores are depleted and the kidney' retain calcium. done
clear
C)
Blood levels of calcium may read high done
clear
D)
Both [b] and [c] done
clear
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question_answer 43)
The graph below illustrates the changes I blood sugar concentration after a healthy rnan has drunk a glucose solution.
Which one of the following graphs would apply to a diabetic man in similar circumstances?
A)
B)
C)
D)
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question_answer 44)
Which of the following does not secrete any hormone?
A)
Spleen done
clear
B)
Ovary done
clear
C)
Testes done
clear
D)
Pancreas done
clear
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question_answer 45)
'Brain sand' is associated to:
A)
Pineal body done
clear
B)
Thymus gland done
clear
C)
Thyroid gland done
clear
D)
Pituitary gland done
clear
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question_answer 46)
The given figure is related with principal endocrine glands in human. Identify 1 to 7.
A)
1- Pineal, 2- Pituitary, 3- Thyroid and parathyroid, 4- Thymus, 5-Adrenal, 6- Testis,7- Ovary done
clear
B)
1- Pituitary, 2- Pineal, 3- Thyroid and parathyroid, 4- Thymus, 5-Adrenal, 6- Ovary, 7- Testis done
clear
C)
1- Pituitary, 2- Pineal, 3- Thyroid and parathyroid, 4- Thymus, 5- Kidney, 6- Testis, 7- Ovary done
clear
D)
1- Pituitary, 2- Pineal, 3- Thyroid and parathyroid, 4- Thymus, 5-Adrenal, 6- Testis, 7- Ovary done
clear
View Solution play_arrow
question_answer 47)
Which of the following statement is correct regarding glucagon hormone?
A)
It has opposite effect to that of insulin. done
clear
B)
It converts glucose to glycogen. done
clear
C)
It is given to diabetic patients. done
clear
D)
It is formed by P-cells of pancreas. done
clear
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question_answer 48)
If both the ovaries of rat are removed then which of the following hormones will be deficient?
A)
Prolactin done
clear
B)
Oestrogen done
clear
C)
Oxytocin done
clear
D)
Gonadotrophic hormone done
clear
View Solution play_arrow
question_answer 49)
Which one is different from the category of other three?
A)
Gastrin done
clear
B)
Ptyalin done
clear
C)
Secretin done
clear
D)
Glucagon done
clear
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question_answer 50)
Match column-I with column-II and select the correct answer using the codes given below.
Column-I Column-II A. Adenohypophysis I. Epinephrine B. Adrenal medulla II. Somatotropin C. Parathyroid gland III. Thymosin D. Thymus gland IV. Calcitonin
A)
A-III; B-I; C-IV; D-II done
clear
B)
A-I; B-II; C-III; D-IV done
clear
C)
A-II; B-I; C-IV; D-III done
clear
D)
A-IV; B-III; C-II; D-I done
clear
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question_answer 51)
Antiageing hormone is:
A)
Thyroxine done
clear
B)
Melatonin done
clear
C)
Estrogen done
clear
D)
Testosterone done
clear
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question_answer 52)
Which of the following statement(s) is/are correct?
(i) Maximum iodine is stored in thyroid gland (ii) Calcitonin is non-iodinised hormone secreted by parafollicular cells of thyroid gland. (iii) Calcitonin (TCT) regulates the blood \[C{{a}^{+2}}\] level. (iv) TCT is hypocalcemic factor.
A)
All of these done
clear
B)
None of these done
clear
C)
(i), (ii) and (iii) done
clear
D)
Only (iv) done
clear
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question_answer 53)
A decrease in the level of oestrogen and progesterone causes:
A)
Growth and dilation of myometrium. done
clear
B)
Growth of endometrium. done
clear
C)
Constriction of uterine blood vessels leading to sloughing of endometrium or uterine epithelium. done
clear
D)
Release of ovum from the ovary. done
clear
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question_answer 54)
Complete failure of the anterior lobe of pituitary causes:
A)
Conn's disease done
clear
B)
Acromegaly done
clear
C)
Cushing's disease done
clear
D)
Simmond's disease done
clear
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question_answer 55)
If a person has protruding eyes, tachycardia an higher body temperature, he is suffering from:
A)
Cretinism done
clear
B)
Hyperthyroidism done
clear
C)
Myxoedema done
clear
D)
Acromegaly done
clear
View Solution play_arrow
question_answer 56)
When an egg is fertilised and pregnancy occurs, which of the following is correct regarding hormone concentrations?
A)
Progesterone levels drop, whereas oestrogen levels remain high. done
clear
B)
Both progesterone and oestrogen levels drop. done
clear
C)
Both progesterone and oestrogen levels rise. done
clear
D)
Progesterone levels remain high, whereas oestrogen levels drop. done
clear
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question_answer 57)
What is the significance of the discovery of different hormone receptor types for the hormone epinephrine?
A)
Two types of epinephrine hormone response elements were identified. done
clear
B)
Different tissues responded differently to the presence of epinephrine. done
clear
C)
It was discovered that slightly different forms of epinephrine (agonists) were secreted by the adrenal glands. done
clear
D)
All target tissues for epinephrine possess all four types of epinephrine receptors. done
clear
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question_answer 58)
Match column-I with column-II and select the correct answer using the codes given below.
Column-I Column-II A. Adrenaline I. Myxoedema B. Hyperparathyroidism II. Accelerates heart beat C. Oxytocin III. Salt-water balance D. Hypothyroidism IV. Childbirth E. Aldosterone V. Demineralisation
A)
A-II; B-V; C-IV; D-I; E-III done
clear
B)
A-III; B-IV; C-V; D-I; E-II done
clear
C)
A-V; B-III; C-II; D-IV; E-I done
clear
D)
A-II; B-III; C-IV; D-V; E-I done
clear
View Solution play_arrow
question_answer 59)
Hormone relaxin is meant for:
A)
Release of ova from ovary. VSSP done
clear
B)
Relaxing uterus to prevent abortion. done
clear
C)
Relaxing pubic symphysis. done
clear
D)
The contraction of uterus for child birth. done
clear
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question_answer 60)
The primary difference between sex hormones in general and gonadotropins specifically is that gonadotropins:
A)
Are produced before birth only. done
clear
B)
Are present only in one sex. done
clear
C)
Cease functioning at puberty done
clear
D)
Influence the production of gametes specifically, while sex hormones have a wide variety of primary and secondary roles in sex development and determination. done
clear
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question_answer 61)
Sella tursica is a depression lodging:
A)
Pituitary done
clear
B)
Pineal done
clear
C)
Adrenal done
clear
D)
Thyroid done
clear
View Solution play_arrow
question_answer 62)
If a human female starts developing male characteristics like beard, degeneration of uterus and ovaries, enlargement of clitoris etc. It may be due to:
A)
Overproduction of oestrogen and testosterone done
clear
B)
Damage to posterior pituitary. done
clear
C)
Over production of adrenal androgens. done
clear
D)
Surgical removal of mammary gland. done
clear
View Solution play_arrow
question_answer 63)
Which of the following disease is caused due to over secretion of the structure marked as X?
A)
Gigantism done
clear
B)
Diabetes mellitus done
clear
C)
Diabetes insipidus done
clear
D)
Grave's disease done
clear
View Solution play_arrow
question_answer 64)
Match column-I with column-II and select the correct answer using the codes given below.
Column-I Column-II A. Gastrin I. Acts on gastric gland and stimulates secretion of HCl B. Secretin II. Acts on the exocrine part of pancreas and stimulates secretion of water and \[HC{{O}_{3}}^{-}\]ions. C. CCK III. Acts on both pancreas and stimulates the pancreatic enzymes and bile juice respectively. D. GIP IV. Inhibits gastric secretion and motility.
A)
A-IV; B-III; C-II; D-I done
clear
B)
A-II; B-IV; C-III; D-I done
clear
C)
A-I; B-II; C-III; D-IV done
clear
D)
A-I; B-III; C-II; D-IV done
clear
View Solution play_arrow
question_answer 65)
Which of the following hormone stimulates pancreas to secrete enzymes?
A)
Enterocrinin done
clear
B)
CCK-PZ done
clear
C)
Gastrin done
clear
D)
Secretin done
clear
View Solution play_arrow
question_answer 66)
Most of the contraceptive pills contain:
A)
Oestrogen + FSH done
clear
B)
Progesterone + LH done
clear
C)
FSH+LH done
clear
D)
Oestrogen + Progesterone done
clear
View Solution play_arrow
question_answer 67)
Heterocrine glands are the glands, which:
A)
Work as exocrine glands. done
clear
B)
Work as endocrine glands. done
clear
C)
Have dual (exo- and endocrine) mode of function. done
clear
D)
None of the above done
clear
View Solution play_arrow
question_answer 68)
Mainly which type of hormones control the menstrual cycle in woman?
A)
FSH done
clear
B)
LH done
clear
C)
FSH, LH, oestrog done
clear
D)
e Progesterone done
clear
View Solution play_arrow
question_answer 69)
Which of the followings is the more scientific definition of hormone?
A)
They are extracellular messengers. done
clear
B)
They always act at distantly located target organs. done
clear
C)
They are the products of well organised endocrine glands. done
clear
D)
They are non-nutrient chemicals that act as intercellular messengers. done
clear
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question_answer 70)
Growth hormone of pituitary is more effective in:
A)
Presence of thyroxine done
clear
B)
Absence of thyroxine done
clear
C)
Absence of insulin done
clear
D)
Presence of adrenaline done
clear
View Solution play_arrow
question_answer 71)
Restlessness, intolerance to temperature and increased metabolism is due to:
A)
Thyrotoxicosis done
clear
B)
ACTH deficiency done
clear
C)
Pituitary deficiency done
clear
D)
Calcitonin deficiency done
clear
View Solution play_arrow
question_answer 72)
Match the following columns.
Column-I Column-II A. Protein hormones I. Epinephrine B. Steroid hormones II. Testosterone, progesterone C. Iodothyronies III. Thyroid hormones D. Amino acid IV. Insulin and derivatives glucagon hormones
A)
A-I; B-II; C-III; D-IV done
clear
B)
A-IV; B-III; C-II; D-I done
clear
C)
A-IV; B-II; C-III; D-I done
clear
D)
A-IV; B-II; C-I; D-III done
clear
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question_answer 73)
The given figure shows feedback relationship between three glands and their hormones.
The secretion of ?b? is decreased by 'a', secretion of 'c' is increased by 'b' while the secretion of 'a' is decreased by 'c'. Increased or decreased amounts of a hormone cause an increase or decrease in the amount of the following hormone in the system. Now if 'a' is added to the system, the secretion of 'c' is
A)
Decreased done
clear
B)
Increased done
clear
C)
First decreased and then increased done
clear
D)
First increased and then decreased done
clear
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question_answer 74)
A hormone that acts upon the renal tubule and blood capillaries is:
A)
Glucagon done
clear
B)
Aldosterone done
clear
C)
Vasopressin done
clear
D)
Glucocorticoids done
clear
View Solution play_arrow
question_answer 75)
Which one of the following hormone stimulates the "let-down" (release) of milk from the mother's breasts when the baby is sucking?
A)
Progesterone done
clear
B)
Oxytocin done
clear
C)
Prolactin done
clear
D)
Relaxin done
clear
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question_answer 76)
Three hormones control the metamorphosis of a caterpillar into a butterfly. Which statement about these hormones is false?
A)
Molting hormone promotes the changes in the epidermis (external skeleton). done
clear
B)
Prothoracicotropic hormone stimulates the prothoracic gland to release juvenile hormone. done
clear
C)
Levels of juvenile hormone control the time at which an insect turns into an adult. done
clear
D)
Molting hormone promotes the development of imaginal disks. done
clear
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question_answer 77)
A tumor in an endocrine gland caused Jennifer to have weakened bones and unusually high levels of blood calcium. Which of the following was affected?
A)
Anterior pituitary done
clear
B)
Pancreas done
clear
C)
Adrenal glands done
clear
D)
Parathyroid glands done
clear
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question_answer 78)
In human, adult females oxytocin:
A)
Is secreted by anterior pituitary. done
clear
B)
Stimulates growth of mammary glands. done
clear
C)
Stimulates pituitary to secrete vasopressin. done
clear
D)
Causes strong uterine contractions during parturition. done
clear
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question_answer 79)
Which of the following exerts control over all the others?
A)
Adrenal cortex done
clear
B)
Hypothalamus done
clear
C)
Thyroid gland done
clear
D)
anterior pituitary done
clear
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