MCQ Questions for Class 12 Biology Chapter 3 Human Reproduction with Answers Set-A

Human Reproduction Class 12 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Biology Chapter 3 Human Reproduction with Answers Pdf free download. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. We have Provided Human Reproduction Class 12 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 12 Biology Chapter 3 Quiz

Class 12 Biology Chapter 3 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Biology Chapter 3 Human Reproduction to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Human Reproduction Class 12 Biology MCQ online test

Q1.	Ovulation in the human female normally takes place during the menstrual cycle
	A.at the mind secretory phase
	B.just before the end of the secretory phase
	C.at the beginning of the proliferative phase
	D.at the end of the proliferative phase.

Ans: at the end of the proliferative phase.

Q2.	After ovulation Graafian follicle regresses into
	A.corpus atresia
	B.corpus callosum
	C.corpus luteum
	D.corpus albicans

Ans: corpus luteum

Q3.	Immediately after ovulation, the mammalian egg is covered by a membrane known as
	A.chorion
	B.zona pellucida
	C.corona radiata
	D.vitelline membrane.

Ans: corona radiata

Q4.	Which one of the following events is correctly matched with the time period in a normal menstrual cycle ?
	A.Release of egg : 5 th day
	B.Endometrium regenerates : 5 – 10 days
	C.Endometrium secretes nutrients for implantation: 11 – 18 days
	D.Rise in progesterone level : 1 – 15 days

Ans: Endometrium regenerates : 5 – 10 days

Q5.	If mammalian ovum fails to get fertilised, which one of the following is unlikely ?
	A.Corpus luteum will distintegrate.
	B.Progesterone secretion rapidly declines.
	C.Estrogen secretion increases.
	D.Primary follicle starts developing.

Ans: Estrogen secretion increases.

Q6.	A human female reaches menopause aroung the age of
	A.50 years
	B.15 years
	C.70 years
	D.25 years.

Ans: 50 years

Q7.	A reaction of granules content which harden the zona pellucida and ensures sure block to polyspermy is
	A.acrosomal reaction
	B.cortical reaction
	C.acrosin reaction
	D.bindin reaction.

Ans: cortical reaction

Q8.	Which part of the sperm plays an important role in penetrating the egg membrane ?
	A.Allosome
	B.Tail
	C.Autosome
	D.Acrosome

Ans: Acrosome

Q9.	In oocyte secondary maturation occurs in
	A.ovary
	B.abdominal cavity
	C.Fallopian tube
	D.uterus.

Ans: Fallopian tube

Q10.	Besides activating the egg another role of a sperm is to carry to egg
	A.RNA
	B.mitochondria
	C.DNA
	D.ribosomes.

Ans: DNA

Q11.	Preparation of sperm before penetration of ovum is
	A.spermiation
	B.cortical reaction
	C.spermiogenesis
	D.capacitation.

Ans: spermiation

Q12.	Spermiation is the process of the release of sperms from
	A.seminiferous
	B.vas deferens
	C.epididymis
	D.prostate gland

Ans: seminiferous

Q13.	Mature Graafian follicle is generally present in the ovary of a healthy human female around
	A.5-8 day of menstrual cycle
	B.11-17 day of menstrual cycle
	C.18-23 day of menstrual cycle
	D.24-28 day of menstrual cycle.

Ans: 11-17 day of menstrual cycle

Q14.	Acrosomal reaction of the sperm occurs due to
	A.its contact with zona pellucida of the ova
	B.reactions within the uterine environment of the female
	C.reactions within the epididymal environment of the male
	D.androgens produced in the uterus.

Ans: its contact with zona pellucida of the ova

Q15.	Which one of the following is not a male accessory gland ?
	A.Seminal vesicle
	B.Ampulla
	C.Prostate
	D.Bulbourethral gland

Ans: Ampulla

Q16.	Which among the following has 23 chromosomes ?
	A.Spermatogonia
	B.Zygote
	C.Secondary oocyte
	D.Oogonia

Ans: Secondary oocyte

Q17.	Which of the following hormones is not secreted by human placenta ?
	A.hCG
	B.Estrogens
	C.Progesterone
	D.LH

Ans: LH

Q18.	The vas deferens receives duct from the seminal vesicle and opens into urethra as
	A.epididymis
	B.ejaculatory duct
	C.efferent ductule
	D.ureter

Ans: ejaculatory duct

Q19.	Urethral meatus refers to the
	A.urinogenital duct
	B.opening of vas deferens into urethra
	C.external opening of the urinogenital duct
	D.muscles surrounding the urinogenial duct.

Ans: external opening of the urinogenital duct

Q20.	Morula is a developmental stage
	A.between the zygote and blastocyst
	B.between the blastocyst and gastrula
	C.after the implantation
	D.between implantation and parturition.

Ans: between the zygote and blastocyst

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