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701.

The part of Fallopian tube closest to the ovary is:A. isthmusB. infundibulumC. cervixD. ampulla

Answer» Correct Answer - B
(b) The Fallopian tubes, uterus and vagina constitute the female accessory ducts. Each Fallopian tube extends from the periphery of each ovary to the uterus. The part closer to the ovary is funnel-shaped infundibulum, which help in collection of the ovum after ovulation.
702.

Part of fallopian tube closest to ovary isA. Infundibulum, fertilization myometrium, morulaB. CervixC. Ampulla of oviductD. Isthmus.

Answer» Correct Answer - A
703.

Which is correct about human sperm?A. Sperm lysins in acrosome dissolve egg envelope facilitating fertilizationB. Acrosome serves as sensory structure leading sperm towards ovumC. Acrosome has no particular functionD. Acrosome has conical tip for piercing and penetrating egg for fertilization

Answer» Correct Answer - A
(A) Human sperm lysins in acrosome dissolve egg envelope facilitating fertilization.
704.

Part of fallopian tube closest to ovary isA. InfundibulumB. CervixC. AmpullaD. Isthums

Answer» Correct Answer - A
(A) Part of fallopian tube closest to ovary is infundibulum.
705.

Animals with cleidoic eggs showA. External fertilization, internal developmentB. Internal fertilization internal developmentC. External fertilization, external developmentD. Internal fertilization external development.

Answer» Correct Answer - D
706.

Animals with cleidoic eggs showA. External fertilization, internal developmentB. Internal fertilization, internal developmentC. External fertilization, external developmentD. Internal fertilization, external development

Answer» Correct Answer - D
(D) Animals with cleidoic eggs show (reptiles and birds) internal fertilization and external depeloment.
707.

The urethra originates from the … a … and extends through the … b… to its external opening called ….c….A. a-ureters, b-uninary bladder, c- urethral sphincterB. a- urinary bladder, b-testis, c-urethral meatusC. a-penis, b-urinary bladder, c-urethral meatusD. a-urinary bladder, b- penis , c- urethral meatus

Answer» Correct Answer - D
(D) The urethra originates from the urinary bladder and extends through the penis to its esternal opening callled urethral meatus.
708.

In females, hormone inhibin is secreted byA. Granulosa cells and corpus luteumB. Granulosa and theca cellsC. Granulosa and cumulus oophorus cellsD. Granulosa cells and zona pellucida

Answer» Correct Answer - A
(A) In females, hormone inhibin is secreted by granulosa cells and corpus luteum.
709.

Luteal phase is the other name ofA. Follicular phaseB. Proliferative phaseC. Menstrual flow phaseD. Sec retory phase.

Answer» Correct Answer - D
710.

Stages in menstrual cycle areA. Recovery phase and proliferstive phaseB. Proliferative, sec retory and menstrual C. Proliferative secretory and menstrualD. Recovery phase, secretory phase and phase of menstrual flow.

Answer» Correct Answer - C
711.

Menstrual cycle is generally ofA. 21 daysB. 28 daysC. 30 daysD. 40 days.

Answer» Correct Answer - B
712.

Stages in menstrual cycle areA. Recovery phase and proliferstive phaseB. Proliferative, sec retory and menstrualC. Proliferative secretory and menstrualD. Recovery phase, secretory phase and phase of menstrual flow.

Answer» Correct Answer - C
713.

Mesntrual cycle is controlled byA. Estrogen and progesterone of ovaryB. FSH and LH of pituitaryC. Both A and BD. FSH of pituitary.

Answer» Correct Answer - C
714.

Clitoris is related to penisA. AnalogousB. HomologousC. Nonfunctional part in femalesD. Functional equivalent in females.

Answer» Correct Answer - B
715.

Progesterone is secreted byA. Corpus LuteumB. Corpus albicansC. Leydig cellsD. Graagian cells.

Answer» Correct Answer - A::D
716.

Progesterone is secreted byA. CarbohydrateB. SterioidC. ProteinD. Sterol.

Answer» Correct Answer - B
717.

Centrioles of sperm controlA. Movement of tailB. Haploid number of chromosomesC. Help in fertilizationD. None of the above.

Answer» Correct Answer - A::D
718.

Spermatogenesis and sperm differentiation are under the control ofA. FSH onlyB. LhC. Testosterone and FSHD. Parathyroid hormone

Answer» Correct Answer - C
719.

Which of these is not and important component of initiation of parturition in humans?A. Release of oxytocinB. Release of prolactinC. Increase in estrogen and progesterone ratioD. Synthesis of prostaglandins

Answer» Correct Answer - B
720.

which of these is not an important component of initiation of parturition in humans ?A. Release of prolctinB. Increase in estrogen and progesterone ratioC. Synthesis of prostalandinsD. Release of oxytocin

Answer» Correct Answer - B
721.

A morula can be differentiated from blastula inA. Presence of cavityB. Presence of more yolkC. Presence of yolkD. Absence of cavity

Answer» Correct Answer - D
(D) A morula can be differentiated from blastula in absence of cavity.
722.

A morula can be differentiated from blastula inA. Presence of cavityB. Presence of more yolkC. Presence of yolkD. Absence of cavity.

Answer» Correct Answer - D
723.

Lutenising hormone isA. LactotropicB. MammotropicC. Non-mammotropicD. Both A and B

Answer» Correct Answer - C
724.

Which protects the embryo from external injuryA. AmnionB. AllantoisC. ChorionD. Yolk sac.

Answer» Correct Answer - A
725.

Membrane that gives protection to embryo from external shocks isA. AmnionB. AlantoisC. ChorionD. Placenta.

Answer» Correct Answer - A
726.

Choose the incorrect statement from the followingA. Colostrum containsantibodies and nutrients.B. In birds and mammels internal fertilisation takes place.C. Polyspermy is prevented by the chemical changes in the egg surface.D. In the human female implantation occurs almost seven days after fertilisation.

Answer» Correct Answer - c
727.

Which of the following statement Is wrong?A. Sertoli cells provide nutrition to the developing male germ cellsB. Leydig cells synthesize and secrete androgensC. Secretions of the acrosome helps the sperm to enter into the cytoplasm of the ovum.D. Secondary spermatocytes are diploid.

Answer» Correct Answer - d
728.

Choose the incorrect statement from the followingA. In birds and mammals internal fertili- sation takes placeB. Colostrum contains antibodies and nutrientsC. Polyspermy is prevented by the chemical changes in the egg surfaceD. In the human female implantation occurs almost seven days after fertili- sation

Answer» Correct Answer - c
729.

Formation of activation calyx in the egg takes placeA. Before fertilizationB. After fertilizationC. At the time of cleavageD. At the time of amphimixis.

Answer» Correct Answer - B
730.

Spermatogenesis changesA. Spermatogonium into primary spermatocyteB. Primary spermatocyte into secondary spermatocyteC. Secondary spermatocyte into spermatidD. All the above.

Answer» Correct Answer - D
731.

In mammals, spermatogenesis is stimulated byA. MSHB. TSHC. ADHD. FSH.

Answer» Correct Answer - D
732.

Hormone responsible for spermatogenesis isA. AndrogenB. ProgesteroneC. TestosteroneD. None of these.

Answer» Correct Answer - C
733.

Identify the wrong statement from the follow- ing.A. High levels of estrogen triggers the ovu- latory surgeB. Oogonial cells start to proliferate and give rise to functional ova in regular cycles from puberty onwards.C. Sperms released from seminiferous tubules are poorly motile/ non-motileD. Progesterone level is high during the post ovulatory phase of menstrual cycle

Answer» Correct Answer - b
734.

Sertoli cells occur inA. Human testisB. Frog testisC. Human ovaryD. Frog ovary

Answer» Correct Answer - A
(A) Sertoli cells occur in human testis.
735.

Sertoli cells occur inA. Human testisB. Frog testisC. Human ovaryD. Frog ovary.

Answer» Correct Answer - A
736.

In mammals, Sertoli cells occur inA. Germinal epithelium of testisB. Germinal epithelium of ovaryC. Medulls of kidneyD. Adrenal cortex.

Answer» Correct Answer - A
737.

Sertoli cells occur inA. Adrenal cortex and secrete adrenalineB. Seminiferous tubules and provide nutrition to germ cellsC. Pancrease and secrete choleystokinusD. Ovarises and secrete progesterone.

Answer» Correct Answer - B
738.

Sertoli cells are found toA. ovaries and secrete progesteroneB. adrenal cortex and secrete adrenalineC. pancrease and secrete chloecystokininD. seminiferous tubules and provide nutrition to germ cells

Answer» Correct Answer - d
739.

Sertoli cells are found inA. Seminiferous tubulesB. Germinal epitheliumC. Cauda epidiymisD. Caput epididymis

Answer» Correct Answer - A
740.

Which one develops from endoderm?A. Nervous system, urinary bladder and eyeB. Liver, connective tissue and heartC. Thymus, spinal cord and brainD. Liver, pancreas and thymus/thyroid

Answer» Correct Answer - D
(D) Liver, pancerea and thymus/ thyroid develop from endoderm.
741.

Which one is not formed from ectoderm?A. Notochord B. EpidermisC. Internal earD. Branchial arches.

Answer» Correct Answer - A
742.

Puberty occurs in the human male at an age of:A. 8-10 yearsB. 12-14 yearsC. 14-16 yearsD. 18-20 years

Answer» Correct Answer - c
Puberty is the period of life at which the ability to reproduce begains.
743.

The blood vessels and nerves enter the ovary through:A. HilusB. Zona pellucidaC. AntrumD. Graafian follicle

Answer» Correct Answer - a
The blood vessels and nerve enter ovary at hilus. The kidney also possesses a similar structure.
744.

Which one is not formed from ectoderm?A. NotochordB. EpidermisC. Internal earD. Branchial arches.

Answer» Correct Answer - A
745.

The growth of corpus letum is initiated by:A. FSHB. hCGC. ProlactinD. Luteinizing hormone

Answer» Correct Answer - d
746.

The mammalian corpus letum produces:A. estrogenB. progesteroneC. luteinizing hormoneD. luteotrophic hormone

Answer» Correct Answer - b
747.

A corpus letum forms in an ovarian follicle after ovulation in:A. hensB. fishesC. frogsD. women

Answer» Correct Answer - d
748.

Reptile and bird eggs areA. MacrolecithalB. OligolecithalC. MesolecithalD. Alecithal

Answer» Correct Answer - A
(A) Type of eggs based on the quantity of yolk.
1. Alcithal eggs: Egg is almost free of yolk. e.g.: Eutherian mammals (Human), Marsupial (Kangaroo)
2. Microlecithal or oligolecithal eggs: Contains very small amount of yolk. e.g.: Rabbit, amphixus, sea urchin, tunicates.
3. Mesolecithal eggs: Contain considerable amount of yolk. e.g.: Petromyzon, frog and lung fishes.
4. Macrolecithal or Polylecithal: Eggs contains large amount of yolk e.g.: Insects, sharks, bony fishes, reptiles, birds and prototherian mammals.
749.

Trophoectoderm takes part inA. Protection of embryoB. Formation of ectodermC. Formation of placentaD. Drawing food for developing cells

Answer» Correct Answer - C
750.

Which one is correctA. Meiosis I occurs in primary spermatocyteB. Meiosis I occurs in secondary spermatocyteC. Meiosis I takes place in spermatidsD. Meiosis II occurs in spermadis.

Answer» Correct Answer - A