MCQOPTIONS
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MCQOPTIONS
This section includes 379 Mcqs, each offering curated multiple-choice questions to sharpen your VITEEE knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
Sperms are produced in testes, lying in the |
| A. | sphincter muscles |
| B. | pyloric sphincter muscles |
| C. | scrotal sacs |
| D. | seminal vesicle |
| Answer» D. seminal vesicle | |
| 302. |
Corpus luteum in appearance is |
| A. | greenish in colour |
| B. | brownish in colour |
| C. | yellowish in colour |
| D. | black in colour |
| Answer» D. black in colour | |
| 303. |
Initial stage of birth is result of stimuli from the |
| A. | fetal pituitary |
| B. | mother's pituitary |
| C. | decrease in level of progesterone |
| D. | Both a and b |
| Answer» B. mother's pituitary | |
| 304. |
Internal lining of uterus wall is called |
| A. | endometrium |
| B. | peritonium |
| C. | epithelium |
| D. | edothelium |
| Answer» B. peritonium | |
| 305. |
Before fertilization, the ovary has |
| A. | one nucleus |
| B. | two nuclei |
| C. | three nuclei |
| D. | more than four nuclei |
| Answer» C. three nuclei | |
| 306. |
In order to grow the pollen tube inside gynoecium, |
| A. | style is dissolved |
| B. | stigma is dissolved |
| C. | enzymes are secreted to dissolve stigma and style |
| D. | all three options are correct |
| Answer» E. | |
| 307. |
Multiple fission is a characteristic reproduction mechanism in |
| A. | plant like protoctists |
| B. | animal like protoctists |
| C. | hydra |
| D. | earthworm |
| Answer» C. hydra | |
| 308. |
Vernalin hormone resembles |
| A. | cytokinin |
| B. | auxin |
| C. | gibberellin |
| D. | ethene |
| Answer» D. ethene | |
| 309. |
In absence of a male gamete in plants a diploid cell of ovule develops into a functional embryo through process of |
| A. | parthenogenesis |
| B. | apomixis |
| C. | budding |
| D. | haploid parthenogenesis |
| Answer» C. budding | |
| 310. |
Menstruation stage lasts for about |
| A. | 1-2 days |
| B. | 3-7 days |
| C. | 5-10 days |
| D. | 10-15 days |
| Answer» C. 5-10 days | |
| 311. |
In plants, detection of either light or darkness is responsibility of |
| A. | chlorophylls |
| B. | carotenes |
| C. | phytochromes |
| D. | xanthophylls |
| Answer» D. xanthophylls | |
| 312. |
Light exerts its influence on living organisms through variations in day length called |
| A. | biorythym |
| B. | photoperiod |
| C. | vernalisation |
| D. | regeneration |
| Answer» C. vernalisation | |
| 313. |
Amniotic sac is filled with fluid for |
| A. | protection |
| B. | shock absorption |
| C. | nutrition |
| D. | Both a and b |
| Answer» E. | |
| 314. |
Follicle stimulating hormone (FSH) stimulates development of |
| A. | several primary follicles |
| B. | several interstitial cells |
| C. | oocytes |
| D. | ovum |
| Answer» B. several interstitial cells | |
| 315. |
Certain very precise environmental cues are required for |
| A. | seed dormancy |
| B. | pollination |
| C. | seed germination |
| D. | seed formation |
| Answer» D. seed formation | |
| 316. |
End or complete stop of menstrual cycle is called |
| A. | menuend |
| B. | infertilization |
| C. | menupause |
| D. | ovulation |
| Answer» D. ovulation | |
| 317. |
Follicle cells after release of egg are modified to form a special structure called |
| A. | cell debris |
| B. | corpus luteum |
| C. | endometrium |
| D. | epididymis |
| Answer» C. endometrium | |
| 318. |
Primitive form of reproduction not involving any union of gametes is |
| A. | sexual reproduction |
| B. | asexual reproduction |
| C. | syngenesis |
| D. | sexual generation |
| Answer» C. syngenesis | |
| 319. |
Events of menstrual cycle involve the |
| A. | ovarian cycle |
| B. | uterine cycle |
| C. | ovulatory cycle |
| D. | Both a and b |
| Answer» E. | |
| 320. |
Germinating pollen grain is a rich source of |
| A. | cytokinin |
| B. | gibberellin |
| C. | auxin |
| D. | rennin |
| Answer» D. rennin | |
| 321. |
Identical gametes are also known as |
| A. | heterogametes |
| B. | isogametes |
| C. | anisogamete |
| D. | hypogametes |
| Answer» C. anisogamete | |
| 322. |
Placenta passes out through vagina |
| A. | 10-20 minutes after birth |
| B. | 10-15 minutes after birth |
| C. | 10-30 minutes after birth |
| D. | 10-45 minutes after birth |
| Answer» E. | |
| 323. |
Male copulatory organ used to transfer sperms into female reproductive tract is called |
| A. | penis |
| B. | testis |
| C. | prepuce |
| D. | rectum |
| Answer» B. testis | |
| 324. |
Uterus opens into vagina through |
| A. | ovary |
| B. | oviduct |
| C. | cervix |
| D. | urethra |
| Answer» D. urethra | |
| 325. |
How many types of replication models were considered before the semiconservative nature of DNA replication was confirmed? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 326. |
Movement of the replication fork generates ________________ in the unreplicated portion of DNA. |
| A. | positive supercoils |
| B. | negative supercoils |
| C. | untranslated regions |
| D. | amino acid substitutions |
| Answer» B. negative supercoils | |
| 327. |
Temperature-sensitive mutants can not replicate their chromosomes at non-permissive temperatures. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 328. |
Which isotopes were used by the researchers who first confirmed the semiconservative nature of DNA replication? |
| A. | Nitrogen |
| B. | Carbon |
| C. | Oxygen |
| D. | Sulfur |
| Answer» B. Carbon | |
| 329. |
The bacterial oriC is the __________________ |
| A. | specific sequence |
| B. | transcription factor |
| C. | enzyme |
| D. | polypeptide |
| Answer» B. transcription factor | |
| 330. |
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female? |
| A. | Retention of well-developed corpus luteum |
| B. | Fertilisation of the ovum |
| C. | Maintenance of the hypertrophical endometrial lining |
| D. | Maintenance of high concentration of sex-hormones in the blood stream |
| Answer» E. | |
| 331. |
Foetal ejection reflex in human female is induced by |
| A. | Differentiation of mammary glands |
| B. | Pressure exerted by amniotic fluid |
| C. | Release of oxytocin from pituitary |
| D. | Fully developed foetus and placenta |
| Answer» E. | |
| 332. |
Which one of the following statements about morula in humans is correct? |
| A. | It has more cytoplasm and more DNA than an uncleaved zygote |
| B. | It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA |
| C. | It has far less cytoplasm as well as less DNA than in an uncleaved zygote |
| D. | It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote |
| Answer» C. It has far less cytoplasm as well as less DNA than in an uncleaved zygote | |
| 333. |
Which one of the following statement is correct about sertoli cells also called as nurse cells? |
| A. | Found in adrenal cortex and secrete adrenaline |
| B. | Found in ovaries and secrete progesterone |
| C. | Found in pancreas and secrete cholecystokinin |
| D. | Found in Seminiferous tubules and provide nutrition of germ cells |
| Answer» E. | |
| 334. |
Which one of the following statements is incorrect about menopause? |
| A. | Generally occurs between the ages of 45 and 55 |
| B. | Causes the cessation of the female reproductive cycle |
| C. | Anterior pituitary no longer produces FSH and LH |
| D. | Ovaries slowly reduce their secretion of estrogen |
| Answer» D. Ovaries slowly reduce their secretion of estrogen | |
| 335. |
Which one of the following statement is correct? |
| A. | Spermatogenesis is the formation of sperm cells |
| B. | Spermatogenesis occurs in the seminiferous tubules. |
| C. | Follicle-stimulating hormone (FSh) indirectly stimulates spermatogenesis. |
| D. | All of these are correct |
| Answer» E. | |
| 336. |
Human seminal plasma, the fluid part of semen, is produced by contributions from the: i. Urethra ii. Prostate iii. Seminal vesicle iv. Bulbourethral gland |
| A. | i and iii |
| B. | i and iv |
| C. | i, iii and iv |
| D. | ii, iii and iv |
| Answer» E. | |
| 337. |
Which of the following structures are derivatives of the endoderm? |
| A. | Skin and nerve cord |
| B. | Alimentary canal and respiratory structures |
| C. | Muscles and blood |
| D. | Excretory and reproductive structures |
| Answer» C. Muscles and blood | |
| 338. |
Ovulation in the human female normally takes place during the menstrual cycle |
| A. | At the end of the proliferative phase |
| B. | At the beginning of the proliferative phase |
| C. | Just before the end of the secretory cycle |
| D. | At the mid secretory phase |
| Answer» B. At the beginning of the proliferative phase | |
| 339. |
About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs? |
| A. | 5th day |
| B. | 11th day |
| C. | 14th day |
| D. | 20th day |
| Answer» D. 20th day | |
| 340. |
The part of Fallopian tube closest to the ovary is |
| A. | Infundibulum |
| B. | Isthmus |
| C. | Ampulla |
| D. | Cervix |
| Answer» B. Isthmus | |
| 341. |
Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorized as: |
| A. | Cellular immunity |
| B. | Passive immunity |
| C. | Active immunity |
| D. | Innate non-specific immunity |
| Answer» C. Active immunity | |
| 342. |
Foramen ovale |
| A. | Is a shallow depression in the interventricular septum |
| B. | Is a condition in which the heart valves do not completely close |
| C. | Is a connection between the pulmonary trunk and the aorta in the fetus |
| D. | Connects the two atria in the fetal heart |
| Answer» E. | |
| 343. |
Which one of the following statements is correct? |
| A. | FSH and LH occur in both males and females |
| B. | FSH and LH stimulate the follicle to secrete estrogen |
| C. | The ovarian cycle depends on the blood levels of FSH and LH |
| D. | All of these are correct |
| Answer» E. | |
| 344. |
Parts of the sperm and their descriptions are listed in the table below. Match the columns and select the correct option. Column I Column II (a) Acrosome (i) contains mitochondria producing energy for the sperm (b) Head (ii) whip-like movements to propel the sperm (c) Midpiece (iii) contains the chromosomes (d) Tail (iv) contains the enzymes for assisting fertilization |
| A. | (a) - (i), (b) - (ii), (c) - (iv), (d) - (iii) |
| B. | (a) - (iv), (b) - (iii), (c) - (i), (d) - (ii) |
| C. | (a) - (iii), (b) - (i), (c) - (ii), (d) - (iv) |
| D. | (a) - (ii), (b) - (iv), (c) - (iii), (d) - (i) |
| Answer» C. (a) - (iii), (b) - (i), (c) - (ii), (d) - (iv) | |
| 345. |
Male Accessory Glands and their functions are listed in the table below. Match the columns and select the correct option. Column I (male Accessory Glands) Column II (Functions) (a) Seminal vesicle (i) Secretes watery alkaline fluid for raising vaginal pH (b) Prostate gland (ii) Secretes lubricating mucus (c) Bulbourethral gland (iii) Secretes fructose & seminal fluid |
| A. | (a) - (ii), (b) - (iii), (c) - (i) |
| B. | (a) - (i), (b) - (ii), (c) - (iii) |
| C. | (a) - (ii), (b) - (i), (c) - (iii) |
| D. | (a) - (iii), (b) - (i), (c) - (ii) |
| Answer» E. | |
| 346. |
Hormones and their functions are listed in the table below. Match the columns and select the correct option. Column I Column II (a) Oxytocin (p) Stimulates ovulation (b) Prolactin (q) Implantation and maintenance of pregnancy (c) Luteinizing hormone (r) Lactation after child birth (d) Progesterone (s) Uterine contraction during labour (t) Reabsorption of water by Nephrons |
| A. | (a) - (s), (b) - (r), (c) - (p), (d) - (q) |
| B. | (a) - (t), (b) - (p), (c) - (s), (d) - (r) |
| C. | (a) - (s), (b) - (q), (c) - (r), (d) - (t) |
| D. | (a) - (t), (b) - (r), (c) - (p), (d) - (s) |
| Answer» B. (a) - (t), (b) - (p), (c) - (s), (d) - (r) | |
| 347. |
The endocrine structure and the corresponding hormones are listed in the table below. Match the columns and select the correct option. Column I Column II (a) Hypothalamus (p) Relaxin (b) Anterior Pituitary (q) Estrogen (c) Testis (r) FSH and LH (d) Ovary (s) Androgens (t) Gonadotropin releasing hormone |
| A. | (a) - (t), (b) - (r), (c) - (s), (d) - (q) |
| B. | (a) - (t), (b) - (r), (c) - (q), (d) - (s) |
| C. | (a) - (p), (b) - (q), (c) - (s), (d) - (r) |
| D. | (a) - (r), (b) - (t), (c) - (s), (d) - (q) |
| Answer» B. (a) - (t), (b) - (r), (c) - (q), (d) - (s) | |
| 348. |
Which one of the following statements is false in respect of viability of mammalian sperm? |
| A. | Viability of sperm is determined by its motility |
| B. | Sperms must be concentrated in a thick suspension |
| C. | Sperm is viable for only up to 24 hours |
| D. | Survival of sperm depends on the pH of the medium and is more active in alkaline medium |
| Answer» D. Survival of sperm depends on the pH of the medium and is more active in alkaline medium | |
| 349. |
Signals for parturition originate from |
| A. | Placenta only |
| B. | Fully developed foetus only |
| C. | Both placenta as well as fully developed foetus |
| D. | Oxytocin released from maternal pituitary |
| Answer» D. Oxytocin released from maternal pituitary | |
| 350. |
In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was |
| A. | High levels of FSH and LH in uterus to stimulate endometrial thickening |
| B. | High level of circulating HCG to stimulate estrogen and progesterone synthesis |
| C. | High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo |
| D. | High level of circulating HCG to stimulate endometrial thickening |
| Answer» C. High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo | |