Multiple choice questions in biology for 12th

Multiple choice questions in biology for class 12th-CBSE-JAC exams

Hi guys in this article we know about important multiple choice questions in biology for class 12 th

■lesson-3 human reproduction

■subtopics:- human male reproductive system

MCQs test sample in biology

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■introduction :- students might be busy in your preparation for coming CBSE ,12th board Jharkhand academic Council exams and other state board exam biologysir.com will provide MCQs test sample-6 in biology many type of education material like fill in the blanks, true or false matching type questions ,multiple choice questions in biology, very short questions answers type, short questions answer type and long questions type of 12th class Biology from each topic that help you in your preparation.MCQs test sample-6 in biology

Multiple choice questions in biology for 12th

*In this post :- we provide you MCQs test sample with answer from the lesson 3 human reproduction .biologysir.com

Multiple choice questions class 12th Biology

Q1) primary sex organ in male is

A) ovary
B) testes
C) penis
D) vagina

Ans. B

Q2) primary sex organ in female is

A) ovary
B) testes
C) penis
D) vagina

Ans. A

Q3) copulatory organ in female is

A) ovary
B) testes
C) penis
D) vagina

Ans. D

Q4) copulatory organ in male is

A) ovary
B) testes
C) penis
D) vagina

Ans. C

Q5) spermatogenesis is a process of formation of following

A) ovary
B) testes
C) sperm
D) ovum

Ans. C

Q6) oogenesis is a process of formation of following

A) ovary
B) testes
C) sperm
D) ovum

Ans. D

Q7) which of following is micro gamets

A) ovary
B) male gametes
C) female gametes
D) vagina

Ans. B

Q8) which of the following is macro gametes

A) ovary
B) male gametes
C) penis
D) female gametes

Ans. D

■MCQs test sample in biology for class 12th-CBSE-JAC exams

■lesson-3 human reproduction

■subtopics:- human male reproductive system

Q9) primary sex organ in male testis is present in thin wall skin pouches is called as

A) hydrocoel
B) scrotum
C) both A and B
D) none

Ans. B

Q10) tissues fluid in scrotum is known as which of the following

A) hydrocoel
B) vaginal coelom
C) vaginal cavity
D) none

Ans. A

Q11) which of the following structure is act as thermoregulator

A) hydrocoel
B) scrotum
C) coelom
D) testes

Ans. B

Q12) which organ of our body have temperature is lower than body temperature

A) hydrocoel
B) scrotum
C) both A and B
D) testes

Ans. D

Q13) which is outermost covering layer of testes

A) tunica albuginea
B) tunica vaginalis
C) tunica vasculosa
D) seminiferous tubules

Ans. B

Q14) Septa of testis divide the testis in following structure

A) tunica albuginea
B) tunica vaginalis
C) testicular lobe
D) seminiferous tubules

Ans. C

Q15) rete testis found inside which of following

A) tunica albuginea
B) tunica vaginalis
C) testes
D) ovary

Ans. C

Q16) wall of seminiferous tubule is lined with following

A) tunica albuginea
B) germinal epithelium
C) fibrous epithelium
D) basal epithelium

Ans. B

■MCQs test sample in biology for class 12th-CBSE-JAC exams

■lesson-3 human reproduction

■subtopics:- human male reproductive system

Q17) germinal epithelium of seminiferous tubules is made of following

A) germ cell
B) sertoli cell
C) both A and B
D) none

Q18) shape of germ cell is

A) rectangular shape
B) hexagonal shape
C) cuboidal shape
D) pyramidal shape

Ans. C

Q19) shape of sertoli cell is

A) rectangular shape
B) hexagonal shape
C) cuboidal shape
D) pyramidal shape

Ans. D

Q20) polyhedral endocrine cell in seminiferous tubule is

A) interstitial cell
B) spermatogonia
C) spermatocyte
D) germ cell

Ans. A

Q21) haploid and motile male gametes called as a spermatozoa is formed by which structure

A) leydigs cell
B) interstitial cell
C) sertoli cell
D) seminiferous tubules

Ans. D

Q22) which hormone is secreted by interstitial cell

A) testosterone
B) Oxytocin
C) estrogen
D) progesterone

Ans. A

Q23) male hormone testosterone is secreted by which cell

A) sertoli cell
B) egg cell
C) leydig’s cell
D) germ cell

Ans. C

Q24) function of testosterone is

A) development of secondary sexual character in male
B) it help in the process of spermatogenesis
C) both A and B
D) none

Ans. C

Q25) which organ involves in temporary storage nutrition and physiological maturation of sperm

A) testes
B) epididymis
C) vasa deferentia
D) urethra

Ans. B

Q26) which organ help in conduction of sperm by peristalsis of its highly muscular coat

A) testes
B) epididymis
C) vasa deferentia
D) urethra

Ans. C

Q27) which of following is cylindrical erectile and copulatory organ

A) testes
B) epididymis
C) vasa deferentia
D) penis

Ans. D

■MCQs test sample-6 in biology for class 12th-CBSE-JAC exams

■lesson-3 human reproduction

■subtopics:- human male reproductive system

Q28) tip of penis is known as following

A) testes
B) epididymis
C) foreskin
D) glans penis

Ans. D

Q29) glass penis is covered by a retractile skin fold in known as

A) foreskin
B) epididymis
C) vasa deferentia
D) urethra

Ans. A

Q30) the tissue which are found in penis is following

A) corpora cavernosa
B) corpora spongiosum
C) both A and B
D) none

Ans. C

Q31) the release of fructose citrate several proteins and prostglandans by which glands

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate glands

Ans. B

Q32) chestnut shape gland is

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate glands

Ans. D

Q33) alkaline secretion and release of bicarbonate Ion from the following structure

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate glands

Ans. D

Q35) white pea shaped gland is

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate glands

Ans. A

Q36) mucus secretion by which glands

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate glands

Ans. A

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1)matching type question sample -1

2) biology class 11th and 12th all full forms

Q37) Cowper’s glands is also known as

A) cowper’s gland
B) seminal vesicles
C) Bulbourethral glands
D) prostate glands

Ans. C

Q38) which glands secretion help in lubrication of vaginal wall during the copulation

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate gland

Ans. A

Q39) which glands provides nutrition to sperms and neutralizes the acidity of urine

A) cowper’s gland
B) seminal vesicles
C) vasa deferentia
D) prostate glands

Ans. D

Q40) secretion of accessory sex gland is known as which of following

A) seminal plasma
B) seminal fluid
C) semen
D) none

Ans. A

■MCQs test sample-6 in biology for class 12th-CBSE-JAC exams

■lesson-3 human reproduction

■subtopics:- human male reproductive system

Q41) seminal plasma along with sperm is known as which of following

A) seminal plasma
B) seminal fluid
C) sperm
D) none

Ans. B

Q42) what is the volume of sperm in volume of semen

A) 10℅
B) 15%
C) 20%
D) none

Ans. A

Q43) pH of semen is what

A) 6.2
B) 6.5
C) 7.3
D) 7.5

Ans. D

Q44) the growth maintenance and functioning of secondary sex organ are under the control of which hormone

A) testosterone
B) FSH
C) LH
D) none

Ans. A

Q45) seminiferous tubules and leydig cells are controlled by which hormone

A) testosterone
B) FSH
C) LH
D) FSH and LH

Ans. D

Q46) androgen binding protein( ABP) is secreted by which cell

A) sertoli cell
B) leydig cell
C) Cowper glands
D) none

Ans. A

Q47) which protein concentrate the testosterone hormones in seminiferous tubules

A) testosterone
B) FSH
C) LH
D) ABP

Ans. D

Q48) which protein suppress the FSH secretion

A) testosterone
B) FSH
C) LH
D) Inhibin

Ans. D

Q49) release of hormone FSH, LH control by which hormone

A) testosterone
B) FSH
C) LH
D) GnRH

Ans. D

Q50) LH and FSH hormone is secreted by which glands

A) hypothalamus
B) interior pituitary glands
C) posterior pituitary glands
D) none

Ans. B