12TH Human Reproduction 50 MCQS QUIZ – 5 MCQ Tests

Human Reproduction – 5 MCQ Tests

50 Questions • 5 Tests • Class 12 Biology

Instructions: Select one answer for every question and click Submit Test. The correct answer will appear inside the question itself after submission.

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Human Reproduction Mock Test 1

10 MCQs • Class 12 Biology

Not submitted

1Hormones released in human females only during pregnancy are:

A. hCG, hPL, ProgesteroneB. Relaxin, hCG, hPLC. hCG, hPL, OxytocinD. hPL, Thyroxine, hCG

2Which hormone is not secreted by the human placenta?

A. ProgesteroneB. EstrogenC. Human Chorionic Gonadotropin (hCG)D. Relaxin

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3A human ovum completes its second meiosis when:

A. At the time of fertilisationB. When the sperm touches the zona pellucidaC. When the sperm gains entry into the cytoplasm of the ovumD. When the acrosome releases enzymes on corona radiata

4Select the correct sequence of stages of spermatogenesis.

A. Spermatogonium → Spermatids → Spermatocytes → SpermatozoaB. Spermatogonium → Spermatocytes → Spermatids → SpermatozoaC. Spermatids → Spermatogonium → Spermatocytes → SpermatozoaD. Spermatocytes → Spermatogonium → Spermatids → Spermatozoa

5Type of cleavage found in mammals is:

A. HoloblasticB. MeroblasticC. SuperficialD. None of the above

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6Sperm cells are produced in:

A. Seminiferous tubulesB. Interstitial cellsC. EpididymisD. Prostate gland

7What is true about cleavage in the fertilized human egg?

A. It is meroblasticB. It starts when the egg reaches the uterusC. It starts in the fallopian tubeD. It is identical to normal mitosis

8The mammalian corpus luteum produces:

A. EstrogenB. ProgesteroneC. Luteotropic hormoneD. Luteinizing hormone

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9After moving through the vas deferens, sperm empties into the:

A. Seminal vesiclesB. UrethraC. Urinary bladderD. All the above

10Corona radiata is made up of:

A. Follicular cells around the oocyteB. Stratum functionalisC. Zona pellucida around the oocyteD. All of these

Human Reproduction Mock Test 2

10 MCQs • Class 12 Biology

Not submitted

1Which among the following has 23 chromosomes?

A. SpermatogoniaB. ZygoteC. Secondary oocyteD. Oogonia

2Secondary spermatocytes have 23 chromosomes and undergo:

A. Mitotic divisionB. First meiotic divisionC. Second meiotic divisionD. No division

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3What changes are observed in the uterus subsequent to implantation of a young embryo?

A. The uterine wall thickensB. Placenta developsC. Both A and BD. The uterine wall shrinks

4The acrosomal reaction of sperm occurs due to:

A. Its contact with zona pellucida of the ovumB. Reactions within the uterusC. Reactions within the epididymisD. Androgens produced in the uterus

5The abdominal passage connecting the abdominal cavity with the scrotal sac is the:

A. Spermatic canalB. Neurenteric canalC. Inguinal canalD. Haversian canal

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6Which one is a prefertilization event?

A. Gamete transferB. Formation of germ layersC. AmphimixisD. Syngamy

7The cell division in a secondary oocyte is suspended at:

A. Anaphase IIB. Metaphase IIC. Prophase IID. Telophase II

8The part of the ovary that acts as an endocrine gland after ovulation is:

A. Vitelline membraneB. Graafian follicleC. StromaD. Germinal epithelium

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9Cleavage starts after fertilization in the:

A. Fallopian tubeB. UterusC. VestibuleD. Clitoris

10Seminal plasma is formed by secretions of:

A. Seminal vesicles, prostate and bulbourethral glandB. Prostate and seminal vesicle onlyC. Prostate and urethraD. Urethra and epididymis

Human Reproduction Mock Test 3

10 MCQs • Class 12 Biology

Not submitted

1The egg is liberated from the ovary at the:

A. Secondary oocyte stageB. Primary oocyte stageC. Oogonial stageD. Mature ovum stage

2Sertoli cells occur in:

A. Adrenal cortexB. Seminiferous tubules and provide nutrition to germ cellsC. PancreasD. Ovaries

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3At menopause, there is a rise in urinary excretion of:

A. LHB. STHC. FSHD. Both LH and FSH

4The phase of the menstrual cycle that lasts for 3–5 days is:

A. Follicular phaseB. Ovulatory phaseC. Luteal phaseD. Menstruation

5Male hormone is produced in the testis by cells of:

A. Sertoli cellsB. Epithelial cellsC. SpermatocytesD. Leydig cells

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6The outermost layer of a blastocyst is called:

A. EctodermB. MesodermC. EndodermD. Trophoblast

7After release of the secondary oocyte, the Graafian follicle develops into:

A. Corpus callosumB. Corpus albicansC. Corpus luteumD. Primary follicle

8The enlarged end of the penis is covered by a loose fold of skin called:

A. Glans penisB. ForeskinC. HymenD. Urethral meatus

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9The cavity of a Graafian follicle is:

A. AntrumB. Liquor folliculiC. Discus proligerousD. All of these

10Proliferative phase of the menstrual cycle is also called:

A. Follicular phaseB. Luteal phaseC. Secretory phaseD. Ovulatory phase

Human Reproduction Mock Test 4

10 MCQs • Class 12 Biology

Not submitted

1How many functional sperms and ova are formed by a primary spermatocyte and a primary oocyte, respectively?

A. One, OneB. One, FourC. Four, OneD. Four, Four

2Sustentacular cells are another name for:

A. Leydig cellsB. OocytesC. Sertoli cellsD. Oogonia

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3The vas deferens receives the duct of seminal vesicle and forms the:

A. EpididymisB. UrethraC. Ejaculatory ductD. Urethral meatus

4The LH surge from the anterior pituitary gland occurs:

A. Just prior to menstruationB. Just prior to ovulationC. During follicle development onlyD. After menopause

5Which of the following is the endocrine tissue of testes?

A. EpidermisB. Inguinal canalC. Leydig cellsD. Spermatic cord

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6Which is an accessory male reproductive gland?

A. Seminal vesicleB. AmpullaC. FimbriaeD. Fallopian tube

7In human females, the blastocyst is implanted in the endometrium by:

A. Inner cell massB. Trophoblast cellsC. Follicle cellsD. Oogonia

8The sperm becomes mature and fully motile in the:

A. Rete testisB. Cauda epididymisC. Vasa deferentiaD. Seminal vesicle

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9Release of an egg from the ovary is called:

A. OviparyB. OvulationC. HatchingD. Cleavage

10The correct sequence in early embryonic development is:

A. Fertilization → Cleavage → Morula → Zygote → Blastula → GastrulaB. Fertilization → Zygote → Blastula → Morula → Cleavage → GastrulaC. Fertilization → Zygote → Cleavage → Morula → Blastula → GastrulaD. Zygote → Fertilization → Cleavage → Gastrula → Morula

Human Reproduction Mock Test 5

10 MCQs • Class 12 Biology

Not submitted

1Which hormone prepares the uterus for implantation?

A. ProgesteroneB. FSHC. EstrogenD. LH

2The capsule enclosing the mammalian testis is called:

A. Tunica albugineaB. Tunica mediaC. Tunica vaginalisD. Tunica vasculosa

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3How many autosomes does a human primary spermatocyte have?

A. 44B. 34C. 24D. 14

4The nutritive medium for ejaculated sperms is provided by:

A. Seminal fluidB. Vaginal fluidC. Uterine liningD. Fallopian tube

5Spermatids are transformed into sperm by the process called:

A. SpermiationB. ImplantationC. InseminationD. Spermiogenesis

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6Cryptorchidism is a condition in which:

A. One or both testes fail to descend into the scrotumB. One or both testes are not developedC. The epididymis is absentD. The prostate is enlarged

7Spermiation is the release of sperms from:

A. Seminiferous tubulesB. Vas deferensC. EpididymisD. Prostate gland

8How does human sperm locomote?

A. FlagellaB. CiliaC. NeutrophilsD. None of these

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9After birth, colostrum is rich in:

A. Fat and low proteinsB. Proteins and low fatC. Proteins, antibodies and low fatD. Proteins, fat and low antibodies

10The process of formation of ova is called:

A. OvulationB. OviparousC. OogenesisD. Spermiogenesis

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