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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
251. |
A pregnant female delivers a baby who suffers from stunted growth , mental retardation, low intelligence quotient and abnormal skin. This is the result ofA. deficiency of iodine in dietB. low secretion of growth hormoneC. cancer of the thyroid glandD. over secretion of pars distalis |
Answer» Correct Answer - A Hypothyroidism during pregnancy causes defective development and maturation of the growing foetus leading to stunted growth. Low secretion of GH results in stunted growth resulting in pituitary dwafism. Pars distalis or anterior pituitary produces growth hormone. Prolactin (PRL). Thyroid Stimulating Hormone (TSH). Adrenocorticotrophic Hormome (ACTH). Lutenising Hormone (LH) and Follicle Stimulating Hormone (FSH) |
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252. |
Hormone which is more active than `T_(4)` isA. `T_(1)`B. `T_(2)`C. `T_(3)`D. `T_(5)` |
Answer» Correct Answer - C `T_(3)` is more active than `T_(4)` |
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253. |
How many base pairs are present in each turn of the helix of DNA as per Watson and Crick model ? |
Answer» Correct Answer - Ten. | |
254. |
Hypersecretion of cortisol (corticoids) produces a disease known asA. cushings syndromeB. haemophiliaC. anaemiaD. mental retardation |
Answer» Correct Answer - A | |
255. |
Name the three layers of adrenal cortex. |
Answer» (i) Zona reticularis (ii) Zona fasciculata (iii) Zona glomerulosa |
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256. |
Toxic agents present in flood which interface with thyroxine synthesis lead to the development ofA. Toxic goiterB. CretinismC. Simple goiterD. Thyrotoxicosis |
Answer» Correct Answer - C | |
257. |
Match the Column I and II, choose the correct combination from the option given. A. a-3, and 5,b-1, 2 and 6B. a-1,2, and 5,b-3, 4 and 6C. a-3,4, and 6,b-1, 2and 5D. a-1,2 and 6,b-3,4 4 and 5 |
Answer» Correct Answer - B a. Membrane bound receptor-LH, FSH and Insulin b. Intracellular receptor-Estrogen, Thyroxine and Testosterone. |
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258. |
Match and find the correct combination. A. `{:(A,B,C,D,E),(3,5,4,1,2):}`B. `{:(A,B,C,D,E),(5,4,3,2,1):}`C. `{:(A,B,C,D,E),(2,3,4,1,5):}`D. `{:(A,B,C,D,E),(3,4,5,1,2):}` |
Answer» Correct Answer - A | |
259. |
When the normal heart of a man is injected with physiological concentration of adrenaline, it showsA. Systolic arrestB. Decreased rateC. Sustained increased rateD. First increased then normal rate |
Answer» Correct Answer - D | |
260. |
Which of the following is the function of insulin ?A. Promote synthesis of fats from glucose by adipose tissueB. Promote protein synthesis by promoting uptaking aminoacids by liver and muscle cellsC. Promote conversion of glucose into glycogenD. All of these |
Answer» Correct Answer - D | |
261. |
Diabetes is due toA. Enzyme deficiencyB. Iodine deficiencyC. `Na^(+)` deficiencyD. Hormonal deficiency |
Answer» Correct Answer - D | |
262. |
Hypophysis is liked with hypothalamus throughA. IsthmusB. InfundibulumC. EpiphysisD. Intermediate lobe |
Answer» Correct Answer - B | |
263. |
Insulin isA. vitaminB. lipidC. hormoneD. enzyme |
Answer» Correct Answer - C Insulin is earliest known hormone. It is also called hypoglycemic or antidiabetic factor, as it decreases glucose level in blood and prevents occurrence of diabetes. It is secreted by `beta-` cells of the islets of Langerhans. |
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264. |
Which hormone possesses anti-insulin effect ?A. CortisolB. CalcitoninC. OxytocinD. Aldosterone |
Answer» Correct Answer - A Cortisol is a glucocorticoid, secreted by adrenal cortex. It is primarily meant for carbohydrate metabolism, which increases the rate of gluconegogenesis (conversion of proteins in liver into sugar) and decrease peripheral utilisation of glucose, thus it possess anti-insulin effect. |
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265. |
Addition of a trace of thyroxine or iodine in water containing tadpoles willA. keep them in larval staggeB. hasten their metamorphosisC. slow down their metamorphosisD. kill the tadpoles |
Answer» Correct Answer - B Thyroxine controls tissue differentiation and metamorphosis of tadpole larva into frog. Gundernatch (1912) proved that metamorphosis of tadpole into adult frog is controled by thyroxine. Addition of thyroxine in water will hasten the metamorphosis |
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266. |
Which of the following hormones prevent water loss in urine?A. OxytocinB. VasopressinC. SomatocrininD. Somatostatin |
Answer» Correct Answer - B | |
267. |
Which of the following is an incorrect match?A. Thyroxine - Iodinated tyrosineB. Aldosterone - Polypeptide hormoneC. Estrogen - Steroid hormoneD. Thyrotropin - Glycoprotein hormone |
Answer» Correct Answer - B | |
268. |
Which of the following hormones is/are stored in Her ring bodies?A. SomatochrininB. VasopressinC. OxytocinD. Both (2) and (3) |
Answer» Correct Answer - D | |
269. |
GIP functions antagonistic toA. ANFB. CCKC. ReninD. Gastrin |
Answer» Correct Answer - D | |
270. |
Match the hormones with its source of secretion A. A-5, B-1, C-6, D-3, E-2B. A-1, B-2, C-4, D-3, E-5C. A-2, B-6, C-4, D-5, E-3D. A-5, B-1, C-4, D-2, E-3 |
Answer» Correct Answer - D |
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271. |
Which of the following is/are stored in Herring bodies ?A. SomatocrininB. VassopressinC. OxytocinD. Both (2) & (3) |
Answer» Correct Answer - D | |
272. |
Herring bodies are found inA. AdenohyophysisB. NeurohypophysisC. ThyroidD. Adrenal medulla |
Answer» Correct Answer - B Herring bodies are found in neurophyophysis |
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273. |
The source of somatostatin is same as that ofA. Thyroxine and calcitoninB. Insulin and glucagonC. Somatotropin and prolactinD. Vasopresin and oxytocin |
Answer» Correct Answer - B |
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274. |
Hormone responsible for aggressive behaviour of an animal isA. AdrenalineB. ThyroxineC. ADHD. Testosterone |
Answer» Correct Answer - A Hormone responsible for aggresive behaviour of an animal is adrenaline. |
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275. |
In females, LH stimulates______in the ovary to secrete______A. Graafian follicle, ICSH respectivelyB. Graafian follicle, prolactin respectivelyC. Corpus luteum, FSH respectivelyD. Corpus luteum, progesterone respectively |
Answer» Correct Answer - D | |
276. |
Hormone involved in the discharge of pancretic juice in mammals isA. SecretinB. GastinC. CholecytokininD. Enterogasterone |
Answer» Correct Answer - A |
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277. |
Fill in the blanks : `{:("Hormones"," ","Target gland"),((a) "Hypothalamic hormones "," ","_______"),((b) "Thyrotrophin (TSH )"," ","_______"),((c) "Cortiotrophin (ACTH) "," ","_______"),((d)"Gonadotrophins (LHFSH) "," ","_______"),((e)"Melanotrophin (MSH) "," ", "_______"):}` |
Answer» `{:("Hormones"," ","Target gland"),((a) "Hypothalamic hormones "," ","Pituitary"),((b) "Thyrotrophin (TSH )"," ","Thyroid"),((c) "Cortiotrophin (ACTH) "," ","Adrenal"),((d)"Gonadotrophins (LHFSH) "," ","Ovary, Testis"),((e)"Melanotrophin (MSH) "," ","Melanocyte"):}` | |
278. |
The hypothalamic hormones reac throughA. Hypothalamic duct B. NeuronsC. Portal circulatory systemD. Hepatic portal circulation |
Answer» Correct Answer - C The hypothalamic hormones reach the pituitary gland through portal circulatory system. |
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279. |
The hypothalamic hormones regulate the synthesis and secretion ofA. Thyroid hormonesB. Parathyroid hormonesC. Adrenal hormones D. Pituitary hormones |
Answer» Correct Answer - D The hypothalamic hormones regulate the synthesis and secretion of pituitary hormones. |
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280. |
What are hormones ? Classify hormones regarding their chemical nature. Cite at least one example of each group. |
Answer» Hormones are informational molecules secreted by the ductless endocrine glands in one part of the body in stimulate or inhibit specific physiological processes for the good of the body as a whole. | |
281. |
Why do animals not graze upon ferns ? Give reason. |
Answer» Most of the ferns contain a phenolic derivative-phlobaphene which is very bitter in taste. Therefore, animals usually do not graze upon ferns. | |
282. |
One of the following conditions is not linked to deficiency of thyroid hormonesA. CretinismB. GoitreC. Myxoedema D. Exopthalmlic |
Answer» Correct Answer - D Exophthalmia is due to increased secretion of thyroid hormones. |
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283. |
Thymosin is responsible forA. Raising the blood sugar levelB. Raising the blood calcium levelC. DiiTerentiation of T-lymphocytesD. Decrease in blood RBC |
Answer» Correct Answer - C Thymosins play a major role in the differentiation of T-lymphocytes, which provide cell-mediated immunity. In addition, thymosins also promote production of antibodies to provide humoral immunity |
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284. |
Thymosin is responsible forA. Raising the blood sugar levelB. Raising the blood calcium levelC. Increased production of T lymphocytesD. Decrease in blood RBC. |
Answer» Correct Answer - C |
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285. |
One of the following conditions is not linked to deficiency of thyroid hormonesA. CretinismB. GoitreC. MyxoedemaD. Exophthalmosis |
Answer» Correct Answer - D |
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286. |
Gluconeogenesis is controlled byA. CortisolB. CorticosteroneC. ThyroxineD. All of the above |
Answer» Correct Answer - C |
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287. |
Pancreas secretesA. Digestive enzymesB. InsulinC. GlucagonD. All of the above |
Answer» Correct Answer - D |
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288. |
Match the following : `{:("Column I", " ""Column II"),(T_(4),(i)"Hypthalamus"),(PTH,"(ii) Thyroid"),(GnRH,(iii)"Pituitary"),(LH,(iv)"Parathyroid"):}` |
Answer» (a) ii, (b) iv , (c ) I , (d) iii | |
289. |
Which of the following is the widest layer adrenal cortex ?A. Zona glomerulosaB. Zona fasciculataC. Zona reticularisD. Both (1) & (3) together make widest layer |
Answer» Correct Answer - B | |
290. |
What is the study of hormones called ? Give the complete forms of ADH and FSH. |
Answer» Endocrinology , antidiuretic hormone (vasopressin), follicle-stimulating hormone. | |
291. |
ADH resposible for the reabsorption of water and reduction of urine secretion is synthesized byA. Posterior pituitary glandB. Juxtaglomerular apparatusC. Anterior ptiuitary glandD. Hypothalamus |
Answer» Correct Answer - D | |
292. |
Prolactin activatesA. Growth of breasts and secretion of milk in mammary glandsB. Secondary sexual characters in malesC. Melatonin secretionD. Estrogen secretion |
Answer» Correct Answer - A | |
293. |
If, for any reason, the release of ADH is inhibited, how will this affect the volume of urine produced ? |
Answer» Frequent urination with bulky urination due to diabetes insipidus. | |
294. |
Where is Pineal gland located ? What is its function ? |
Answer» Pineal lies at the tip of a short pineal stalk arising from the roof of the diencephalon. It secretes melatonin hormone. The latter causes concentration of pigment granules in the melanocytes, making the skin colour lighter in certain animals. It also regulates the working of gonads. |
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295. |
Pineal gland is located onA. Dorsal side of the heartB. Ventral side of the aroraC. Dorsal Slde of the forebrainD. Ventral side of the sternum |
Answer» Correct Answer - C Pineal gland is located ont eh dorsal side of the forebrain |
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296. |
Pineal gland is locatedA. On kidneyB. In pancreasC. In brainD. Near thyroid |
Answer» Correct Answer - C See Answer for Q.6. Pineal gland is located in brain. |
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297. |
ACTH controls the secretion ofA. InsulinB. NorepinephrineC. EpinephrineD. Glucocorticoids |
Answer» Correct Answer - D | |
298. |
Give the full form of ACTH and ICSH. |
Answer» Adrenocortrophic hormone, interstitial cells stimulating hormone. | |
299. |
Which is aminated hormone?A. ProgesteroneB. EpinephrineC. EstrogenD. Relaxin |
Answer» Correct Answer - B Epinephrine is aminated hormone |
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300. |
Hormones may beA. amino acid derivativesB. PeptidesC. SteriodsD. All of the above |
Answer» Correct Answer - D |
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