Description : In humans, the development of fertilised egg takes place in the a) ovary b)testis c)oviduct d)uterus
Last Answer : d)uterus
Description : Given below are the events that lead to pregnancy and development of embryo i. fertilisation of egg ii. maturation of egg iii. release of egg iv. embedding of embryo in uterus a) i, ii, iii, iv b)ii, i, iii, iv c)i, iv , ii, iii d)ii, iii, i , iv,
Last Answer : d)ii, iii, i , iv,
Description : Which of the following statement about reproductions in human is correct. a) fertilisation takes place externally b) fertilisation takes place in the testes c) during fertilisation egg moves towards sperm d) fertilisation takes place in human female
Last Answer : d) fertilisation takes place in human female
Description : Select the correct sequence for transport of sperm cells in male reproductive system. (a) Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → Inguinal canal → Urethra → ... → Urethral meatus (d) Seminiferous tubules → Vasa efferentia → Epididymis → Inguinal canal → Urethra
Last Answer : (c) Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus
Description : Cu ions released from copper-releasing intra uterine devices (IUDs) (a) make uterus unsuitable for implantation (b) increase phagocytosis of sperms (c) suppress sperm motility (d) prevent ovulation.
Last Answer : suppress sperm motility
Description : The function of copper ions in copper releasing IUDs is (a) they inhibit gametogenesis (b) they make uterus unsuitable for implantation (c) they inhibit ovulation (d) they suppress sperm motility and fertilising capacity of sperms.
Last Answer : (d) they suppress sperm motility and fertilising capacity of sperms.
Description : The function of copper ions in copper releasing IUD's is : (1) They inhibit gametogenesis (2) They make uterus unsuitable for implantation (3) They inhibt ovulation (4) The suppress sperm motility and fertilising capacity of sperms
Last Answer : (4) The suppress sperm motility and fertilising capacity of sperms
Description : In human beings after fertilisation , the structure which gets embedded in the wall of uterus is a) ovum b)embryo c)foetus d)zygote
Last Answer : b)embryo
Description : Fertilization of the ovum by the sperm usually occurs in the: a) oviduct b) vagina c) uterus d) ovary
Last Answer : ANSWER: A -- OVIDUCT
Description : . Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.
Last Answer : (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.
Description : In the list given, hen is odd one out : Human being, cow, dog, hen. The reason for this is a) it undergoes internal fertilisation c)it is oviparous b) it is viviparous d)it undergoes external fertilisation
Last Answer : c)it is oviparous
Description : Which of the following approaches does not give the defined action of contraceptive? (a) Hormonal contraceptives Prevent/retard entry of sperms, prevent ovulation and fertilisation (b) ... devices Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms
Last Answer : (b) Vasectomy Prevents spermatogenesis
Description : Which of the following metal is used in electroplating to make object appear shinning? a) Iron b)copper c)chromium d)aluminium
Last Answer : c)chromium
Description : Which one of the following solution will not conduct electricity? a) lemon juice b)vinegar c)vegetable oil d)tap water
Last Answer : c)vegetable oil
Description : For the metamorphosis of tadpoles which of the following element must be available in water? a) carbon b)Chlorine c)Sulphur d)iodine
Last Answer : d)iodine
Description : AIDS can spread from an infected person to another person through a) sharing food b)blood transfusion c)sharing comb d)a mosquito bite
Last Answer : b)blood transfusion
Description : Aquatic animals in which fertilisation occurs in water are said to be a) viviparous without external fertilisation b) oviparous with external fertilisation c) viviparous with internal fertilisation d) oviparous with internal fertilisation
Last Answer : b) oviparous with external fertilisation
Description : Reproduction by budding takes place in a) Hydra b)Paramecium c)Amoeba d)bacteria
Last Answer : a) Hydra
Description : Animals exhibiting external fertilisation produce a large number of gametes .Pick the appropriate reason for the following. a) the animals are small in size and want to produce more off springs ... c) to ensure better chances of fertilisation d) water promotes production large number of gametes
Last Answer : c) to ensure better chances of fertilisation
Description : The figure given below depicts a diagrammatic sectional view of the human female reproductive system. Which set of three parts out of I-VI have been correctly identified? I II III V VI IV (a) (II) ... , (V) Uterus, (VI) Cervix (d) (I) Perimetrium, (II) Myometrium, (III) Fallopian tube
Last Answer : (b) (III) Infundibulum, (IV) Fimbriae, (V) Cervix
Description : Given below are four methods (A-D) and their modes of action (i-iv) in achieving contraception. Select their correct matching from the four options that follow. Method Mode of Action A. The pill (i) Prevents sperms reaching cervix B. Condom ... D - (ii) (d) A - (iv), B - (i), C - (ii), D - (iii)
Last Answer : A – (iii), B – (i), C – (iv), D – (
Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .
Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.
Description : Which of the following structures is directly attached to the ovary? a) oviduct b) uterus c) suspensory ligaments d) vagina
Last Answer : ANSWER: C -- SUSPENSORY LIGAMENTS
Description : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Last Answer : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature ... . Spermatogonia - Spermatocyte - Spermatid - Sperms
Description : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is (a) spermatogonia - spermatocyte - spermatid - sperms (b) spermatid - spermatocyte ... - spermatid - spermatocyte - sperms (d) spermatocyte - spermatogonia - spermatid - sperms
Last Answer : a) spermatogonia - spermatocyte - spermatid - sperms
Description : Which of the following depicts the correct pathway of transport of sperms? (a) Rete testis → Efferent ductules → Epididymis → Vas deferens (b) Rete testis → Epididymis → Efferent ductules → Vas ... → Efferent ductules → Epididymis (d) Efferent ductules → Rete testis → Vas deferens → Epididymis
Last Answer : (a) Rete testis → Efferent ductules → Epididymis → Vas deferens
Description : What exactly is the ovulation period after menstruation?
Last Answer : It also depends on whether the cycle is 28 or 26 days old, but the figure below shows quite well the period when we have an ovulation. Here, the part marked in blue is the period of ovulation. [img ... description = ''] https:///wp-content/uploads/2017/01/diagram-of-menstrual-cycle.jpg [/ img]
Description : Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) ... ) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone
Last Answer : (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone
Description : What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour
Last Answer : (a) To inhibit ovulation
Description : Capacitation occurs in (a) epididymis (b) vas deferens (c) female reproductive tract (d) rete testis.
Last Answer : female reproductive tract
Description : Capacitation occurs in : (1) Epididymis (2) Vas deferens (3) Female reproductive tract (4) Rete testis
Last Answer : (3) Female reproductive tract
Description : $ Clitoris of woman is equivalent to the penis of men. ! The process of formation of sperms is called spermatogensis.
Last Answer : $ Clitoris of woman is equivalent to the penis of men. ! The process of formation of sperms is called ... is wrong D. If both As and R are wrong.
Description : Progesterone administration: A. Suppresses onset of menstruation B. Induces watery cervical secretion C. Sensitizes the uterus to oxytocin D. Cornifies vaginal epithelium
Last Answer : A. Suppresses onset of menstruation
Description : Select the correct route for the passage of sperms in male frogs. (a) Testes → Vasa efferentia → Kidney → Seminal vesicle → Urinogenital duct → Cloaca (b) Testes → Vasa efferentia → Bidder's canal ... → Cloaca (d) Testes → Bidder's canal → Kidney → Vasa efferentia → Urinogenital duct → Cloaca
Last Answer : (c) Testes → Vasa efferentia → Kidney → Bidder’s canal → Urinogenital duct → Cloaca
Description : Release of sperm from testis is called :-
Last Answer : Release of sperm from testis is called :- A. Spermiation B. Semination C. In semination D. Ejaculation
Description : Assertion : Regular cyclic menstruation is an indicator of normal reproductive phase . Reason : It occurs throughout the reproductive phase of normal
Last Answer : Assertion : Regular cyclic menstruation is an indicator of normal reproductive phase . Reason : It occurs ... D. If both Assertion & Reason are False.
Description : The beginning of the reproductive age in female is known as D A. The menopause B. The menses C. The menstruation D. Puberty
Last Answer : Puberty
Description : The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females (a) who cannot produce an ovum (b) who cannot retain the fetus inside uterus (c) whose cervical ... narrow to allow passage for the sperms (d) who cannot provide suitable environment for fertilisation.
Last Answer : (a) who cannot produce an ovum
Description : Which of the following is a correct statement? (a) IUDs once inserted need not be replaced. (b) IUDs are generally inserted by the user herself. (c) IUDs increase phagocytosis of sperms in the uterus. (d) IUDs suppress gametogenesis.
Last Answer : (c) IUDs increase phagocytosis of sperms in the uterus.
Description : Fertilisation in humans is practically feasible only if (a) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix (b) the sperms are transported ... the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.
Last Answer : (d) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.
Description : The contraceptive ‘Saheli’ (a) blocks estrogen receptors in the uterus, preventing eggs from getting implanted (b) increases the concentration of estrogen and prevents ovulation in females (c) is an IUD (d) is a post-coital contraceptive.
Last Answer : (a) blocks estrogen receptors in the uterus, preventing eggs from getting implanted
Description : In human female, the blastocyst (a) forms placenta even before implantation (b) gets implanted into uterus 3 days after ovulation (c) gets nutrition from uterine endometrial secretion only after implantation (d) gets implanted in endometrium by the trophoblast cells.
Last Answer : (d) gets implanted in endometrium by the trophoblast cells.
Description : The contraceptive 'SAHELI' (1) blocks estrogen receptors in the uterus, preventing eggs from getting implanted. (2) increases the concentration of estrogen and prevents ovulation in females. (3) is an lUD. (4) is a post-coital contraceptive.
Last Answer : (1) blocks estrogen receptors in the uterus, preventing eggs from getting implanted.
Description : In male cockroaches, sperms are stored in which part of the reproductive system? (a) Seminal vesicles (b) Mushroom glands (c) Testes (d) Vas deferens
Last Answer : (a) Seminal vesicles
Description : $ Sperm in Bryophytes are flagellated. ! Sperms in bryophytes move to the mature and dehisced archegonia, under the effect of chemicals.
Last Answer : $ Sperm in Bryophytes are flagellated. ! Sperms in bryophytes move to the mature and dehisced archegonia, under ... D. If both As and R are wrong.
Description : Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums
Last Answer : Ans:(c)
Description : An abnormal human baby with ‘XXX’ sex chromosomes was born due to (a) fusion of two ova and one sperm (b) fusion of two sperms and one ovum (c) formation of abnormal sperms in the father (d) formation of abnormal ova in the mother.
Last Answer : (d) formation of abnormal ova in the mother.
Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.
Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.
Description : Which one of the following statements is false in respect of viability of mammalian sperm? (a) Sperm is viable for only up to 24 hours. (b) Survival of sperm depends on the pH of the ... ) Viability of sperm is determined by its motility. (d) Sperms must be concentrated in a thick suspension.
Last Answer : (a) Sperm is viable for only up to 24 hours.