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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.
551. |
A change in the amount of yolk and its distribution in the egg will affect.A. formation of zygoteB. pattern of cleavageC. number of blastomeres producedD. fertilisation |
Answer» Correct Answer - B (b) Patterns of cleavage are based on amount of yolk and its distribution in the eggs. Any change in amount and distribution pf yolk directly affects the pattern of cleavage. As holoblastic cleavage is found in microlecithal, mesolecithal or telolecithal types of eggs. meroblastic cleavage is found in macrolecithal and highly telocithal eggs of reptiles, birds and monotreme mammals. |
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552. |
Acrosome is made up ofA. MitochondriaB. CentriolesC. golgi bodiesD. Ribosomes. |
Answer» Correct Answer - C | |
553. |
Cytoplasm of ovum does not contain:A. Golgi complexB. MitochondriaC. CentrosomeD. Ribosomes |
Answer» Correct Answer - C (C ) Cytoplasm of ovum does not possess centrosome. |
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554. |
Cytoplasm of ovum does not contain:A. Golgi complexB. Mitochondria onlyC. CentrosomeD. Ribosomes. |
Answer» Correct Answer - C | |
555. |
Acrosome is a type of:A. lysosomeB. flagellumC. ribosomeD. basal body |
Answer» Correct Answer - a | |
556. |
the number of autosomes in human primary spermatocyte isA. 46B. 44C. 23D. 22 |
Answer» Correct Answer - B | |
557. |
Primary spermatocyte differe from spermatogonium inA. Number of chromosomesB. Size and volumeC. DNA contentD. Size of chromosomes |
Answer» Correct Answer - B | |
558. |
Primary spermatocyte differs from spermatogonium inA. Number of chromosomesB. size and volumeC. DNA contentD. Size of chromosomes |
Answer» Correct Answer - B | |
559. |
Which one of the following is out of place?A. UreterB. VaginaC. UterusD. Oviduct |
Answer» Correct Answer - a Ureter in female is a part of excretory system,other three are associated with reproductive system |
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560. |
Clitoris in a female mammal is:A. nonfunctionalB. an overgrown structureC. analogous to penis of maleD. homologous to penis of male |
Answer» Correct Answer - d Clitoris is the vaginal erectile structure homologous to the corpora cavernosa of the penis. |
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561. |
At what stage of life is oogenesis initiated in a human female?A. At pubertyB. During menarchC. During menopauseD. During embryonic development |
Answer» Correct Answer - D Oogensis is the process of formation of functional haploid ova from the diploid germinal cells in the ovary. Oogensis begain during embryonic development but is completed only after fertilisation of the secondary oocyte with the sperm. |
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562. |
The clitoris is a tiny finger like structure which lies at the upper. Junction of the `ul((A))` above the `ul((B))`. |
Answer» Correct Answer - (A) two labia minora (B) urethral opening | |
563. |
Nebenkern is a part of:A. foetusB. human ovumC. human spermD. Graafian follocle |
Answer» Correct Answer - c Sperm mitochondria are often highely modified to fit the streamlined cell. The mitochondria in the middle piece fuse together to form a structure called the Nebenkern. |
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564. |
Stage of embryo development at which h implanatation occurs in human female isA. MorulaB. ZygoteC. BlastocystD. Neurula. |
Answer» Correct Answer - C | |
565. |
Stage of embryo development at which implantation occurs in human female isA. MorulaB. ZygoteC. BlastocystD. Neurula |
Answer» Correct Answer - C (C ) Stage of embryo development at which implantation occurs in human female is blastocyst / blastula. |
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566. |
The main function of trophoectodern in mammalian embryo is:A. formation of plaecentaB. formation of future ectodernC. protection of developing cellsD. drawing food for developing cells |
Answer» Correct Answer - d | |
567. |
The attachment and development of embryo inside uterus is called:A. gestationB. conceptionC. implantationD. reproduction |
Answer» Correct Answer - c | |
568. |
Which is false about visibility of mammalian spermA. Sperm is visible for only 24 hours.B. Sperm viability is determined by its motilityC. Sperms must be concentrated in thick suspensionD. It depends upon pH of medium as sperm is more active in alkaline medium. |
Answer» Correct Answer - A | |
569. |
Which is called milk ejection hormoneA. ProlactinB. OxytocinC. VassopressinD. Luteinizing hormone. |
Answer» Correct Answer - B | |
570. |
Which is correctA. Humans show spontaneous ovulationB. Several enzymes occur in bile juiceC. Monkeys, apes and humans have estrus cycleD. Urine is pale yellow and slightly alkaline. |
Answer» Correct Answer - A | |
571. |
Cleavage was first seen byA. SpallanzaniB. AristotleC. HertwigD. Harvey. |
Answer» Correct Answer - A | |
572. |
Fertilization was first descovered byA. AristotleB. LeeuwenhoekC. HarveyD. pander. |
Answer» Correct Answer - A | |
573. |
Solid blastula is known asA. CoeloblastulaB. DisocoblastulaC. StereoblastulaD. Superficial blastula. |
Answer» Correct Answer - C | |
574. |
Emboly isA. Migration of micromeres into the blastocoelB. Migration of macromeres into the blastocelC. Migration of endoderm,mesoderm and notochord in the blastocoelD. None of the above. |
Answer» Correct Answer - C | |
575. |
Corona radiata is derived fromA. Membrana granulosaB. Cumulus ovaricusC. Theca internaD. Theca externa. |
Answer» Correct Answer - B | |
576. |
At what speed a human sperm moves in the female genetial tract?A. 3 mm/minB. 10 mm/minC. 15 mm/minD. 20 mm/min |
Answer» Correct Answer - a | |
577. |
Vertebral coloumn develops fromA. NotochordB. Nerve cordC. MesodermD. Endoderm. |
Answer» Correct Answer - A | |
578. |
At what speed a human sperm moves in the female genetial tract?A. 3mm/minB. 10 mm/minC. 15mm/minD. 20 mm/min |
Answer» Correct Answer - A | |
579. |
The internal ears develop fromA. EctodermB. EndodermC. MesodermD. Ectoderm and endoderm. |
Answer» Correct Answer - A | |
580. |
Tongue of frog/rabbit isA. EctodermalB. MesodermalC. EndodermalD. None of the above |
Answer» Correct Answer - C | |
581. |
Breaking of acrosome membrane is:A. activitationB. cavitationC. capacitationD. agglutination |
Answer» Correct Answer - c | |
582. |
Following the diagram of an ovum surrounded by few sperms Which of the following option is correct for the labelled parts A B and C ? |
Answer» Correct Answer - C | |
583. |
The first sing of the second month foetus may noticed by listening to the heart sound carefully through the stethoscope . Embryo,s heart is frmed _____.A. By the end of the second month of pregnancyB. By the end of first trimesterC. After one month of pregnancyD. During fifth month |
Answer» Correct Answer - C | |
584. |
The sperms released to fertalize the ovum are active for how many day(s)?A. 1 dayB. 2 daysC. 3 daysD. 7 days |
Answer» Correct Answer - b | |
585. |
The first sign of growing human foetus in uterus may be noticed byA. Listening heart soundB. Movement of fortusC. Development of limbs and digitsD. None of these |
Answer» Correct Answer - A | |
586. |
Cells of leydig occur inA. Liver and heartB. OvaryC. TestisD. Spleen. |
Answer» Correct Answer - C | |
587. |
Site of fertilization in mammal isA. OvaryB. UterusC. VaginaD. Fallopian tube. |
Answer» Correct Answer - D | |
588. |
Which one functions as endocrine gland after ovulation?A. StromaB. Vitelline membraneC. Germinal epitheliumD. Graafian follicles |
Answer» Correct Answer - D (D) Graafian follicle functions as endocrine gland after ovulation. |
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589. |
Which is correct sequence of male accessory ducts starting from testis?A. Rete testis, vasa efferentia, epididymis, vas deferensB. Rete testis, vasa efferentia, vas deferens, epididymisC. Rete testis, vas deferens, epididymis, vasa efferentiaD. Rete testis, vas deferens, vasa efferentia, epididymis |
Answer» Correct Answer - A (A) Correct sequence of male accessory ducts starting from testis is rete testis, vasa efferentia, epididymis and vas deferens. |
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590. |
The duct that leave the testis and open into epididymis isA. Rete testisB. Vas deferensC. Vasa efferentiaD. Seminal vesicle |
Answer» Correct Answer - C (C ) The duct that leave the testis and open into epididymis is vasa efferentia. |
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591. |
Which duct ascends to abdomen and loops over the urinary bladder?A. Rete testisB. Vasa efferentiaC. EpididymisD. Vas deferens |
Answer» Correct Answer - D (D) Vas deferens duct ascends to abdomen and loops over the urinary bladder. |
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592. |
A : LH acts on Sertolic cells for release of certain factors reuired for spermatogenesis . R : Spermiation occurs directly under influence of LHA. If both Assertion & Reason are true and the reason is the correct explanation of the assertion then mark (1)B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark (2)C. If Assertion is true statement but Reason is false then mark (3)D. If both Assertion and Reason are false statement then Mark (4) |
Answer» Correct Answer - D | |
593. |
A : LH acts on Sertolic cells for release of certain factors reuired for spermatogenesis . R : Spermiation occurs directly under influence of LHA. If both Assertion & Reason are true and the reason is the correct explanation of the assertion then mark (1)B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark (2)C. If Assertion is true statement but Reason is false then mark (3)D. If both Assertion and Reason are false statement then Mark (4) |
Answer» Correct Answer - D | |
594. |
Select the correct option decribing gonadotropin activity in a normal pregnant female:A. high level of hCG stimulates the thickening of endoteriumB. high level of FSH and LH stimulate the thickening endometrium.C. high level of FSH and LH facilitate implantation of the embryoD. high level of hCG stimulates the synthsis of estrogen and progesterone. |
Answer» Correct Answer - d | |
595. |
Accessory sex character isA. BeardB. BreastC. MoustachesD. All the above. |
Answer» Correct Answer - B | |
596. |
An accessory sec character isA. thyroidB. beradC. pituitarD. ovary |
Answer» Correct Answer - b | |
597. |
Voixce is high pitched in:A. adult malesB. aged personsC. adult femalesD. all of these |
Answer» Correct Answer - c | |
598. |
Young girls at puberty begain todevelope breasts, this is an example of:A. atavismB. sexual growthC. metamorphosisD. artificial system |
Answer» Correct Answer - b | |
599. |
Spiral cleavage is found inA. CoelenterateaB. AnnelidsC. EchinodermataD. Cephalopod Molluscs. |
Answer» Correct Answer - B | |
600. |
Dtermination cleavage is found inA. CoelenteratesB. AnnelidaC. NematodesD. All the above. |
Answer» Correct Answer - D | |