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151.

Damage to thymus in a child may lead toA. loss of cell mediated immunityB. loss of antibody mediated immunityC. a reduction in the amount of plasma proteinsD. a reduction in the haemoglobin content in blood

Answer» Correct Answer - A
152.

Dwarfism occurs when there is (i) Over secretion of growth hormone (ii) Under secretion of growth hormone (iii) Over secretion of somatostatin (iv) Under secretion of somatostatinA. (i) and (iii)B. Only (ii)C. (ii) and (iii)D. (ii) and (iv)

Answer» Correct Answer - C
153.

Match the hormone with its source of secretion `{:((a)" Somatostatin", (A)" Pineal gland"),((b)" Melatonin", (B)" Corpus leteum"),((c)" Aldosterone", (C)" Placenta"),((d)" Progesterone", (D)" Adrenal cortex"),((e)" HCG", (E)" Islet of Langerhans"),(, (F)" Adenohypophysis"):}`A. a - E, b - A, C - F, d - C, e - BB. a - A, b - 2, C - D, d - C, e - EC. a - B, b - F, C - D, d - E, e - CD. a - E, b - A, c - D, d - B, e - C

Answer» Correct Answer - D
154.

Select the right mathc of endocrine gland and their hormones among the options given below: `{:(A."Pineal",(i)"Epinephrine"),(B."Thyroid",(ii)"Melatonin"),(C."Ovary",(iv)"Estrogen"),(D."Adrenal medulla",(iv)"Tetraiodothyronise"):}`A. iv,ii,iii,iB. ii,iv,I,iiiC. iv,ii,I,iiiD. ii,iv,iii,i

Answer» Correct Answer - D
155.

Name the hormone secreted by pineal gland.

Answer» Correct Answer - Melatonin.
156.

Which of these occurs as a response to a thyroidectomy ?A. Decreased TRH secretionB. Increases TRH secretionC. Increased calcitonin secretionD. Increased `T_(3)` and `T_(4)` secretion

Answer» Correct Answer - B
157.

The secretion of which of these hormones would be increased in a person with endemic goitre ?A. TSHB. ThyroxineC. TriiodothyronineD. All of these

Answer» Correct Answer - A
158.

An adenophypophysis hormone which is regulated by feedback mechanism isA. OxytocinB. TSHC. VasopressinD. Cortisone

Answer» Correct Answer - B
159.

Mathc Column I with column II and select the correct option from the codes given below. `{:("Column I","Column II"),("Testis",(i)"Pigmentation"),("Ovaries",(ii)"Atrosphies in adult"),("Thymus",(iii)"Estrogen"),("Melanin",(iv)"Testosterone"):}`A. iii,iv,i,iiB. ii,iii,iv,iC. iv,iii,ii,iD. i,iv,ii,iii

Answer» Correct Answer - C
160.

Read the given statements that define functions of a particular hormone. (i) Regulates the development, maturation and functions of epiddymis, vas deferens, seminal vesicle, prostrate gland, urethra, etc. (ii) Stimulates muscular growth of facial and ailiary hair, aggressiveness, low pitch of voice, etc. (iii) Stimulates spermatogenesis. (iv) Act on CNS and sexual behaviour (Libido). (v) Produce anabolic (synthetic) effect on protein and carbohydrate metablosim. (vi) The Leydig,s cells/intestitial cells (present in interbular space). Secrete this hormone under the influence of LH. Which of the following hormones is referred here?A. FSHB. ProgestroneC. AndrogenD. Melatonin

Answer» Correct Answer - C
161.

The hormone which regulates the basal metabolism in our body is secretd fromA. PituitaryB. ThyroidC. Adrenal cortexD. Pancreas

Answer» Correct Answer - B
162.

The hormone that stimulates the maturation of T-lymphocytes is released fromA. Thyroid glandB. ThymusC. TestisD. Pituitary gland

Answer» Correct Answer - B
163.

Excess of thyroid hormones results inA. HyperthyroidismB. HypothyroidismC. HyperparathyroidismD. Hypoparathyroidism

Answer» Correct Answer - A
164.

What are the examples of pairs of antagonistic hormones associated with basal metabolism ? How does each pair function ?

Answer» insulin and glucagon
165.

What is erythropoisis ? Which hormone stimulates it ?

Answer» The process of formation of R.B.Cs is called erythropoisis. Erythropoitin hormone stimulates this process.
166.

Luteinising hormone (LH) in femaleA. Helps in the appearance of secondary sexual charactersB. Stimulates ovary to secrete oestradiolC. Helps in release of the ovum from the ovaryD. Controls the blood pressure

Answer» Correct Answer - C
167.

Life saving hormone is secreted by which glandA. Adrenal glandB. Hypothalamus glandC. Pituitary glandD. Thyroid gland

Answer» Correct Answer - A
168.

Which is incorrect about thyroid hormones? A. Thyroid hormones `(T_(3) and T_(4)`) are synthesised by follicular cells. B.  Thyroid hormones support the process of red blood cell formation. C. Thyroid hormones control the metabolism of carbohydrates, proteins and fats D. Maintenance of water and electrolyte balance is not inhuenced by thyroid hormones

Answer» Correct Answer - D
Maintenance of water and electrolyte balance is also influenced by thyroid hormones.
169.

Hypothyroidism during pregnancy causes defective development and maturation of growing baby leading to Cretinism (stunted growth) b. Dwarflsm c. Mental retardation d. Low intelligence quotient (e ) . Abnormal skin f. Deaf-mutismA. a, b, d and f B. a, c, d, e and f C.  b, c, d, e and fD.  a, b, c, d, e and f

Answer» Correct Answer - B
Hypothyroidism during pregnancy causes defective development and maturation of growing baby leading to cretinism (stunted growth), mental retardation, low intelligence quotient (I.Q.), abnormal skin and deaf-mutism.
170.

What is the role-played by luteinising hormones in males and females respectively?

Answer» In males. luteinising hormone (LH) stimulates the synthesis and secretion of hormones called androgens from testis. Androgens along with FSH (Follicie Stimulating Hormone) egulate spermatogenesis.
In females, LH induces ovulation of fully mature follicles (Graafian follicles) and maintains the corpus luteum. formed from the remnants of the Graafian follicles after ovulation. Which secretes progesterone.
171.

Assertion : Inhibin is secreted by the corpus luteum. Reason : They inhibit the FSH and GnRH production.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4)

Answer» Correct Answer - B
172.

What forms the corpus luteum ? Name the hormones secreted by it.

Answer» Corpus luteum forms in the empty Graafian follicle after the release of the ovum. It produces progesterone and relaxin.
173.

Correct the following statements by replacing the underlined term : (a) Insulin is a steroid hormone. (b) TSH is seceted from the corpus luteum. (c )Tetraiodothyronine is an emergency hormone. (d) The pineal gland is located on the anterior part of the kidney.

Answer» (a) Peptide (b) Anterior lobe of pituitary (c ) essential (d) Adrenal gland.
174.

The main function of nor - adrenaline isA. Contraction of arteriesB. Hormones stimulating liver.C. RelxationD. None of the above

Answer» Correct Answer - A
175.

Correct the following statements byr eplacing thet erm underlined. (a ) Insulin is a steroid hormone . (b) TSH is secreted from the corpus luteum. (c) Tetraiodothyronine is an emergency hormone. (d) The pineal gland is locatedo n the anterior part of the kidney.

Answer» (a) insulin is a peptide hormone (b) TSH is secreted from the pars distalis region of pituitary, (c) Adrenaline is an emergency hormone. (d) The adrenal gland is located on the anterior part of the kidney.
176.

Which one of the following pairs is incorrectly matched ?A. insulin-Diabetes mellitus (disease)B. Glucagon - Beta cells (source)C. Somatostatin - Delta cells (source)D. Corpus luteum - Relaxin (secretion)

Answer» Correct Answer - B
177.

Which one of the following pairs is incorrectly matched ?A. Insulin-Diabetes mellitus (disease)B. Glucagon-Beta cells (source)C. Somatostatin-Delta cells (source)D. Corpus luteum-Relaxin (secretion)

Answer» Correct Answer - B
178.

Which one of the following pairs is incorrectly matchedA. Insulin - Diabetes meltitus ( Disease)B. Glucagon - Beta cells (Source)C. Somatostatin - Delta cells ( Secretion )D. Corpusluteum - Relaxin ( Secretion )

Answer» Correct Answer - B
179.

Which one of the following pairs is incorrectly matched ?A. Insulin - Diabetes mellitus (disease)B. Glucagon - Beta cells (source)C. Somatostatin - Delta cells (source)D. Corpusluteum - Relaxin (secretion)

Answer» Correct Answer - B
180.

Adrenal gland in mammals is located onA. Near pituitaryB. Near liverC. Near heartD. Above kidney

Answer» Correct Answer - D
181.

Two hormones ….. (a) ….. and ……. (b) …… synthesize in hypothalamus and transport in pituitary gland through …… (c ) …….. and ……. (d) ……. respectively.A. a = oxytocin `rArr` c = portal circulation b = ADH `rArr ` d = direct releaseB. a = ADH `rArr` c = axonal transport b= TSHRF `rArr` d = portal circulationC. a = ACTH `rArr ` c = axonal transport b = MSH `rArr ` d= portal circulationD. a = TSHRF `rArr ` c = axonal transport b = ADH `rArr` d = portasl circulation

Answer» Correct Answer - B
182.

Identify the hormone with its correct matching of source and functionA. oxytocin-Posterior pituitary, growth and maintenance of mammary glandsB. Melatonin-Pineal gland, regulates the normal rhythm of sleepwake cycleC. Progesterone-Corpus luteum, stimulation of growth and activities of female secondary sex organsD. Atrial natriuretic factor-Ventricular wall increases the blood pressure

Answer» Correct Answer - B
Melatonin is a hormone present in animals, plants and microbes. In animals melatonin allows the regulation of cicarcadina rhythms. Oxytocin is a neurohypophysial hormone which stimulates the muscle contraction (smooth muscle) in the wall of uterus during childbrith.
Progesterone is a female hormone produced by the corpus luteum after ovulation. This hormone maintain the wall of uterus throughout the pregnancy.
ANF stimulates the secretion of Na and `H_(2)O` by the kidneys and helps in regulating blood pressure.
183.

Assertion : Osteoporosis is related to parathyroid glands. Reason : Osteoporosis is the result of softening and bending of bones.A. If both Assertion and Reason are true and Reason is the correct explanation of AssertionB. If both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. If Assertion is true, but Reason is falseD. If Assertion is false, but Reason is true

Answer» Correct Answer - A
Excess secretion of parathyroid hormone causes softening and bending of bones.Some of the bone substances are replaced by cavities that are filled with fibrous tissue.Thls condition leads to osteoporosis or osteitis cystim. Such type of bones are easily fractured.
184.

Which one of the following hormones through synthesized elsewhere is stored and released by the master glandA. Antidiuretic hormoneB. Luteinising hormoneC. ProlactinD. Melanocyte stimulating hormone

Answer» Correct Answer - A
Antidiuretic Hormone (ADH) or vasopressin is a peptide hormone synthesised in the hypothalamus, but stroed and released from the posterior pituitary lobe
185.

Which one of the following hormones through synthesized elsewhere is stored and released by the master glandA. Luteinzing hormoneB. ProlactinC. Melanocyte stimulating hormoneD. Antidiuretic hormone

Answer» Correct Answer - D
186.

Assertion : The name master gland of body is given to pituitary gland. Reason : Hypothalamus exerts control over the master gland.A. If both Assertion and Reason are true and Reason is the correct explanation of AssertionB. If both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. If Assertion is true, but Reason is falseD. If Assertion is false, but Reason is true

Answer» Correct Answer - B
The name master endocrine gland of the body is given to the pituitary gland. It secretes a number of hormones such as TSH, ACTH, etc.which regulates the working of other endocrine glands. This gland itself works under the control of the hormones secreted by hypothalamus of the brain.
187.

Adrenal gland is associated withA. PharynxB. PancreasC. KidneyD. Pineal

Answer» Correct Answer - C
Adrenal gland is associated with kidney.
188.

FSH is secreted byA. anterior lobe of pituitaryB. hypothalamusC. gonadsD. posterior lobe of pituitary

Answer» Correct Answer - A
189.

Identify A,B,C and D in the given flow chart and slect the correct option. A. `{:(A,B,C,D),("Neurohypophysis","Adenohypophysis","Parsdistalis","Pars intermedia"):}`B. `{:(A,B,C,D),("Adeno-hypophysis","Neurohypophysis","Pars intermedia","Pars distails"):}`C. `{:(A,B,C,D),("Adenohypophysis","Neuro-hypophysis","Parsdistails","Pars intermedia"):}`D. `{:(A,B,C,D),("Neuro-hypophysis","Adeno-hypophysis","Pars intermedia","Pars distails"):}`

Answer» Correct Answer - C
190.

FSH is secreted byA. Adernal cortexB. Anterior lobe of pituitary glandC. Middle lobe of pituitary glandD. Posterior lobe of pituitary gland

Answer» Correct Answer - B
191.

Match list I with list II and select the correct option A. A-2, B-5, C-4, D-1, E-3B. A-3, B-4, C-5, D-3, E-2C. A-5, B-3, C-2, D-4, E-1D. A-2, B-3, C-4, D-5, E-1

Answer» Correct Answer - A
192.

Pituitary gland is found inA. BrainB. TracheaC. GonadsD. Pancreas

Answer» Correct Answer - A
193.

Hypothalamus is a super master endocrine gland. Elaborate.

Answer» Hypothalamus is a very small but extremely important part of the diencephalon that is involved in the mediation of endocrine, autonomic and behavioural function.
it contains several groups of neurosecretory cells called nuclei which produce hormones. Hypothalamus provides anatomical connection between the nervous and endocrine system. It controls the release of major major hormones by the hypophysis which are summarised below .
(i) Adrenocorticotrophic Releasing Hormone (ARH) It stimulates the anterior lobe of pituitary gland to secrete Adrenocorticotropic Hormone (ACTH). ACTH stimulates the synthesis and secretion of steroid hormones called glucocorticoids by adrenal glands. (ii) Thyrotropin Releasing Hormone (TR H) It stimulates the anterior lobe of pituitary gland to release Thyroid Stimulating Hormone (TSH).
Growth Hormone Releasing Hormone It stimulates the anterior lobe of the pituitary gland to release growth hormone or somatostatin.
Gonadotropin Releasing Hormone It stimulates the anterior lobe of the pituitary gland to release gonadotropic hormones (FSH and LH).
(v) Prolactin Releasing Hormone (PRH) It Stimulates the anterior lobe of the pituitary gland to secrete prolactin.
MSH Releasing Hormone It stimulates the intermediate lobe of the pituitary gland to secrete Melanocyte Stimulating Hormone (MSH)
These hormones released from hypothalamus are involved in the process like temperature regulation, control of water balance in body, sexual behaviour and reproduction, control of daily cycles in physiologicat state, behaviour and mediation of emotional responses. Hence, . hypothalamus is called as super master endocrine gland of body.
194.

Which one of the following hormones through synthesized elsewhere is stored and released by the master glandA. Melariocyte stimulating hormoneB. Antidiuretic hormoneC. Luteinizing hormoneD. Prolactin

Answer» Correct Answer - B
195.

FSH is secreted byA. anterior lobe of pituitaryB. hypothalamusC. gonadsD. posterior lobe of pituitary.

Answer» Correct Answer - A
196.

Which one of the following is correct?A. Secretion of thymosins increases with age.B. Glucagon secreted by B-cells of islets of Langerhans stimulates glycogenolysisC. FSH binds with specific receptors over ovarian cellD. FSH stimulates secretion of estrogen and progesterone

Answer» Correct Answer - C
FSH binds with specific receptors over ovarian cell membrane.
197.

Master endocrine gland isA. Pituitary glandB. ThyroidC. ParthyroidD. Pineal

Answer» Correct Answer - A
Master endocrine gland is pituitary
198.

FSH is aA. CatecholamineB. GlycoproteinC. PolypeptideD. Steriod

Answer» Correct Answer - B
199.

A person entering an empty room suddenly fins a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control systemA. Sympathetic nervous system is activated releasing spinephrin and norepinephrin from adrenal medullaB. Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulseC. Hypothalamus activates the parasympathetic division of brainD. Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex.

Answer» Correct Answer - A
200.

A person entering an empty room suddenly fins a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control systemA. Sympathetic nervous system activated, releasing epinephrine and norepinephrine from adrenal medullaB. Activation of sympathetic nervous system releasing epinephrine and norepinephrine from adrenal cortexC. Neurotransmitters diffuse rapidly across synapticD. Hypothalamus activates parasympathetic nervous

Answer» Correct Answer - A
person entering an empty room suddenly finds a snake in front. Sympathetic nervous system activated, releasing epinephrine and norepinephrine from adrenal medulla.