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InterviewSolution
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.
| 1251. |
A temporary endocrine gland in humans isA. Islets of langerhansB. Pineal bodyC. Corpus luteumD. corpora allata |
| Answer» Correct Answer - C | |
| 1252. |
A temporary endocrine gland in the human body isA. pinela glandB. corpus cardiacumC. corpus luteumD. corpus allatum |
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Answer» Correct Answer - C (c) corpus luteum is a temporary endocrine gland in the human body. It secretes small amount of estradiol and significant amount of progesterone hormone. In the absence of fertilisation, the corpus luteum degenerates. |
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| 1253. |
Select the incorrect statement.A. LH and FSH triggers ovulation in ovaryB. LH and FSH decrease gradually during the follicular phaseC. LH triggers secretion of androgens from the Leydig cellsD. FSH stimulates the Sertoli cells which help in spermiogenesis |
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Answer» Correct Answer - B (b) In follicular phase of menstrual cycle, LH and FSH increase gradually and stimulate follicular development as well as secretion of oestrogens by the growing follicles. |
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| 1254. |
Fertilization in humans is practically feasible only if:A. the ovum and sperms are transported simultaneously to ampullary - isthmic junction of the Fallopian tubeB. the ovum and sperms are transported simultaneously to ampullary - isthmic junction of the cervixC. the sperms are transported into cervix with in 48 hrs of release of ovum in uterusD. the sperms are transported into vagina just after the release of ovum in Fallopian tube |
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Answer» Correct Answer - A (a) Fertilisation in humans, is practically feasible only if the sperm and ovum are transported simultaneously at ampullary-isthmic junction of Fallopian tube. |
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| 1255. |
Fertilization in humans is practically feasible only ifA. the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tubeB. the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervixC. the sperms are transported into cervix within 48 hrs of release of ovum in uterusD. the sperms are transported into vagina just after the release of ovum in fallopian tube. |
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Answer» Correct Answer - A Fertilization in humans is possible in both the cases of option (1) and (4). But , it he question statement the word only is written so (1) becomes the butter answer. |
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| 1256. |
Fertilisation in humans is practically feasible only ifA. The sperms are transported into cervix within 48 hrs of release of ovum in uterusB. The sperms are tranported into just after the release of ovum in fallopin tubeC. The ovum and sperm are transproted simultanecusly to ampullay - isthmic juction of the fallopain tubeD. The ovum and sperms are transproted simultaneously to ampullary - isthmic junction of the cervix |
| Answer» Correct Answer - C | |
| 1257. |
Fertilization in humans is perctically feasible only ifA. The ovum and sperms are transported simultaneously to ampullary region of the cervix.B. The sperms are transported into cervix within 48 hours of release of ovum in uterus.C. The sperms are transported into vagina just after the release of ovum in fallopian tube.D. The ovum and sperms are transported simultaneously to ampullary region of the fallopian tube. |
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Answer» Correct Answer - D (D) Fertilization in humans is practically feasible only if the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube. |
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| 1258. |
Which of the following cells during gametogeneis is normally diploid?A. SpermatidB. SpermatogoniaC. Primary polar bodyD. Secondary polar body |
| Answer» Correct Answer - b | |
| 1259. |
Which of the following cells during pametogenesis is normally diploid?A. SpermatogoniaB. Secondary polar bodyC. Primary polar bodyD. Spermatid |
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Answer» Correct Answer - A (A) The spermatogonia (sing. Spermatogonium) present on the inside wall of seminiferous tubules multiply by mitotic division and increase in number. Each spermatogonium is diploid and contains 46 chromosomes. |
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| 1260. |
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is:-A. Gamete inseminated fallopian transferB. Gamete intra fallopian transferC. Gamete internal fertilization and transferD. Germ cell internal fallopian transfer |
| Answer» Correct Answer - B | |
| 1261. |
The mammalian corpus luteum producesA. Luteoteropic hormoneB. Luteinizing hormoneC. EstrogenD. Progesterone |
| Answer» Correct Answer - D | |
| 1262. |
Which of the following cells during gametogenesis is normally diploid?A. SpermatidB. SpermatogoniaC. Secondary polar bodyD. Primary polar body |
| Answer» Correct Answer - B | |
| 1263. |
What are the diploid stages in gametogenesis?A. 50 secondary spermatocytes and 50 secondary oocytesB. 25 secondary spermatocytes and 25 secondary ooytes.C. 25 primary spermatocytes and 25 primary ooytesD. 25 primary spermatocytes and 100 primary oocytes. |
| Answer» Correct Answer - B | |
| 1264. |
The main function fo mammalian corpus luteum is to produceA. Estrogen onlyB. ProgesteroneC. Human chorionic gonadotropinD. Relaxin only |
| Answer» Correct Answer - D | |
| 1265. |
which of the following cells during gametogenesis is normlly diploid ?A. Secondary polar bodyB. Primary polar bodyC. SpermatidD. Spermatogonia |
| Answer» Correct Answer - B | |
| 1266. |
Correct sequence of hormone secretion from beginning of menstruation isA. FSH, progesterone, estrogenB. Estrogen, FSH, progesteroneC. FSH, estrogen, progesteroneD. Estrogen, progesterone, FSH |
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Answer» Correct Answer - C (C ) Correct sequence of hormone secretion from beginning of menstruation is FSH, estrogen and progesterone. |
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| 1267. |
Cervix is a part:A. KidneyB. Fallopian tubeC. Between uterus and vaginaD. Epididymis. |
| Answer» Correct Answer - C | |
| 1268. |
Correct hormonal sequence in the case of menstruation isA. FSH,progesterone, estroenB. Estrogen, FSH,progesteroneC. FSH,estrogen, progesteroneD. Estrogen,progesterone. FSH. |
| Answer» Correct Answer - C | |
| 1269. |
Immediately after ovulation, the mammalian egg is covered by a membrane known asA. Chorion and allantoisB. Zona pellucidaC. Corona radiataD. Vitelline membrane. |
| Answer» Correct Answer - B | |
| 1270. |
Egg with peripheral cytoplasm around the yolk isA. IsolecithalB. MicrolecithalC. TelolecithalD. Centrolecithal |
| Answer» Correct Answer - D | |
| 1271. |
Why the testes in human beings and mammals are situated outside the abdominal cavity within a pouch called scrotum ?A. There is not enough space in the pelvic area for the testicless to be housed internallyB. The scrotum helps in maintaining the low temperature of testes , `2.5^(@)C` lower than normal body temperature required for spermatogenesisC. The scrotum helps in maintaining the high temperature of testis `2.5^(@)C` higher than the normal body temperature required for spermatogenesisD. Providing more space for the growth of epididymis |
| Answer» Correct Answer - B | |
| 1272. |
Termination of gastrulation is indicated byA. Obliteration of blastocoelB. Obliteration of archenteronC. Closure of blastoporeD. Closure of neural tube. |
| Answer» Correct Answer - A | |
| 1273. |
Termination of gastrulation is indicated byA. obliteration of blastocoelB. obliteration of archenteronC. closure of blastoporeD. closure of neural tube |
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Answer» Correct Answer - A (a) Termination of gastrulation is indicates by obliteration of blastocoel. |
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| 1274. |
Assertion: During implantation, the trophoblast layer gets attached to the endometrium. Reason: The inner cell mass of the blastocyst gets differentiated as embryo.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - B (B) During implantation, the trophoblast layer gets attached to the endometrium. The inner cell mass of the blastocyst gets differentiated as embryo. |
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| 1275. |
The portion of the endometrium that covers the embryo and located between the embryo and the uterine cavity is the:A. decidua basalisB. decidua umbilicusC. decidua capsulariesD. decidua functionalis |
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Answer» Correct Answer - c Decidua basalis- the portion of endometrium between chorion and the stratum basalis of the uterus. Decidua parietalis- the part of endometrium not involved in the implantion. Decidua umbilicus- no such structure exists in endometrium. |
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| 1276. |
Assertion: During pregnancy the levels of hormones like estrogens and progetrogens are increased. Reason: The increased production of these hormones is essential for fetal growth. |
| Answer» Correct Answer - B | |
| 1277. |
Vasa efferentia lead fromA. Rete testis to vas deferensB. Vas deferens to epididymisC. Epididymis to urethraD. Testicular labules to rete testis |
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Answer» Correct Answer - A (A) Vasa efferentia lead from rete testis to vas deferens. |
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| 1278. |
Uterine endometrium, uterine glands and connective tissue are broken during menstrual phase. That is due to:A. lack of estrogenB. lack of progeseroneC. over secretion of FSHD. over production of progesterone |
| Answer» Correct Answer - b | |
| 1279. |
Which hormone level reaches peak during luteal phase of menstrual cycle?A. EstrogenB. progesteroneC. Luteinizing hormoneD. Follicle stimulating harmone |
| Answer» Correct Answer - b | |
| 1280. |
Menstrual phase is followed byA. Luteal phaseB. Follicular phaseC. FertilizationD. Implanatation |
| Answer» Correct Answer - B | |
| 1281. |
Which hormones is produced in women during pregnancy?A. human chorionic gonadotropin (hcG)B. human placental lactogen (hpL)C. RelaxinD. All of above |
| Answer» Correct Answer - D | |
| 1282. |
An animal with gestation period of more than three months:A. pigB. catC. dogD. rabbit |
| Answer» Correct Answer - a | |
| 1283. |
The animal with the longest gestation period is:A. cowB. horseC. camelD. elephant |
| Answer» Correct Answer - d | |
| 1284. |
Menstrual phase is followed byA. luteal phase and lasts for about 13 days follicular phase and lasts for about 13 daysB. follicular phaseC. Fertilization, cleavage, morula, zygote, blastula, gastrulaD. Implantation |
| Answer» Correct Answer - B | |
| 1285. |
Which type of germ cells contain 23 chromosomesA. SpermatogoniaB. Secondary spermatocytesC. Primary spermatocytesD. None of the above |
| Answer» Correct Answer - B | |
| 1286. |
Go through the following statements (i) HCG from placenta stimulates the sertoli cells of the male foetus to produce testosterone and is thus indirectly ivolved in the development of male external genitalia (ii) Sertoli cells secrete a protein called inhibin, which suppresses FSH synthesis. (iii) Humans have haemo-endothelial type of placenta. (iv) oxytcin stimulates the placenta to secrete prostaglandins which in turn stimulate more contractions of uterus. Which of these correct?A. (i) & (iv)B. (ii) & (iv)C. (i), (ii) & (iv)D. All are correct |
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Answer» Correct Answer - B HCG stimulates Leydig cells to secrete testosterone. Human placenta is hoemo-chorial. |
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| 1287. |
Which layer of uterus undergoes cyclic changes during menstrual cycleA. PerimetriumB. MyometriumC. Endometrium secretes nutrients for implantation: 11-18 daysD. All the above |
| Answer» Correct Answer - C | |
| 1288. |
Gestation period of the rabbit is:A. 18-20 daysB. 48-50 daysC. 60-65 daysD. 28-32 days |
| Answer» Correct Answer - d | |
| 1289. |
Which layer of uterus undergoes cyclic changes during menstrual cycleA. MyometriumB. EndometriumC. PerimetriumD. All the above. |
| Answer» Correct Answer - B | |
| 1290. |
During menstrual cycle, the cyclical changes take place in:A. perimetriumB. endometriumC. Corpus luteumD. myometrium |
| Answer» Correct Answer - b | |
| 1291. |
which of the following in not present in testicular lobule?A. Seminiferous tubulesB. Leyding cellsC. Sertolic cellsD. Theca cells |
| Answer» Correct Answer - Theca cells | |
| 1292. |
Assertion: Only one sperm can fertilise an ovum. Reason: During fertilisation, a sperm comes in contact with zona pellucida layer of the ovum and induces changes in the membrane that blocks the entry of additional sperms.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - A (A) Only one sperm can fertilise an ovum because during fertilisation, a sperm comes in contact with zona pellucida layer of the ovum and induces changes in the membrane that blocks the entry of additional sperms. |
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| 1293. |
Study the following: A. Testosterone influences the male secondary sexual characters B. Gestation period in rabbit is approximately 276 days C. Bulbo-uretheral glands secrete a vaginal lubricant D. Placenta secretes estrogen The correct answer is:A. C and DB. A and BC. A and DD. B, C and D |
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Answer» Correct Answer - C Gestation period of dog is about 63 days. Bulbo urethral glands secrete a lubricant for vestibule. |
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| 1294. |
Go through the following statements (i) The secodnary oocyte undergoes meiosis II which proceeds only till metaphase until a sperm enters it. (ii) Ovulation occurs about 36-38 hours after the start of LH surge at midcycle. (iii) In humans, it takes about 74 hours to form a mature sperm from a primitive germ cells. (iv). About 70% of the human ejaculate is contributed by bulbourethral glands Which of these are correct?A. (i) & (iii)B. (ii) & (iii)C. (i) & (ii)D. all are correct |
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Answer» Correct Answer - C It takes about 74 days for spermatogenesis. 70% of human ejacualte is contributed by seminal vesicle. |
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| 1295. |
The wall of the uterus has three layers of tissue. The- layer which undergoes cyclical changes during menstrual cycle is .A. PerimetriumB. MyometriumC. EndometriumD. Both (2) & (3) |
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Answer» Correct Answer - Endometrium |
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| 1296. |
The cellular cover of the ovum at ovulation isA. corona radiateB. zona radiataC. zona pellucidaD. chorion |
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Answer» Correct Answer - A The muan ovum is enclosed by two additional egg coats. Inner noncellular zona pellucida which is secreted by the ovum and is made of glycoproteins. It is a primary egg membrane. The second coat is the outer corona radiata, which is formed by the follicle cells of the ovary and is a secondary membrane. |
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| 1297. |
At the time of ovulation usually a single ovum is released. However, how many ova are released in case of identical twins and fraternal. Twins respectively?A. 2,2B. 1,1C. 1,2D. 2,1 |
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Answer» Correct Answer - 1,2 |
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| 1298. |
The membraneous cover of the ovum at ovulation is:A. chorionB. zona radiataC. corona radiataD. zona pellucida |
| Answer» Correct Answer - d | |
| 1299. |
Which of the following events is not associated with ovulation in human female?A. Full development of Graafian follicleB. Release of secondary oocyteC. Decrease in estradiolD. LH surge |
| Answer» Correct Answer - c | |
| 1300. |
Progesterone hormone is active during:A. follicular phaseB. secretory phaseC. menstrual phaseD. proliferative phase |
| Answer» Correct Answer - b | |