We have compiled the NCERT MCQ Questions for Class 12 Biology Chapter 3 Human Reproduction with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 12 Biology with Answers on a daily basis and score well in exams. Refer to the Human Reproduction Class 12 MCQs Questions with Answers here along with a detailed explanation.
Human Reproduction Class 12 MCQs Questions with Answers
Multiple Choice Type Questions
Question 1.
The male reproducive system is located in the
(a) pelvis region
(b) chest region
(c) back region
(d) none of the above.
Answer
Answer: (a) pelvis region
Question 2.
The cells which synthesise and secete testicular hormones called androgens are
(a) Germ cells
(b) Leydig cells
(c) Sertoli cells
(d) None of the above
Answer
Answer: (b) Leydig cells
Question 3.
Ovaris are found in the
(a) male reproductive system
(b) female reproductive system
(c) Can be both (a) and (b)
(d) None of the above.
Answer
Answer: (b) female reproductive system
Question 4.
Ovaries produce the female gamete called
(a) sperm
(b) oviducts
(c) ovum
(d) prostate
Answer
Answer: (c) ovum
Question 5.
The uterus is single and it is also called
(a) fimbriae
(b) isthmus
(c) ampulla
(d) womb
Answer
Answer: (d) womb
Question 6.
The last part of the oviduct is called
(a) isthmus
(b) ampulla
(c) fimbria
(d) infundibulum
Answer
Answer: (a) isthmus
Question 7.
The finger like projections is the infundibulum are called
(a) fimbriae
(b) ampulla
(c) isthmus
(d) none of the above
Answer
Answer: (a) fimbriae
Question 8.
The opening of the vagina is often covered partially by a membrane called
(a) clitoris
(b) majora
(c) isthmus
(d) hymen
Answer
Answer: (d) hymen
Question 9.
The tiny finger-like structure which lies at the upper junction of the two labia minora above the urethral opening is called
(a) clitoris
(b) majora
(c) mammary duct
(d) hymen
Answer
Answer: (a) clitoris
Question 10.
Milk is sucked out from the
(a) mammary lobes
(b) mammary glands
(c) mammary duct
(d) lactiferous duct
Answer
Answer: (d) lactiferous duct
Question 11.
The grandular tissue of each breast is divided into 15-20
(a) mammary ducts
(b) mammary glands
(c) mammary lobes
(d) None of the above
Answer
Answer: (c) mammary lobes
Question 12.
The inmative male germ cells produce sperms by
(a) spermatogenesis
(b) spermatids
(c) spermiation
(d) hone of the above
Answer
Answer: (a) spermatogenesis
Question 13.
Androgens stimulate the process of
(a) body
(b) head
(c) tail
(d) spermatogenesis
Answer
Answer: (d) spermatogenesis
Question 14.
The process of formation of a mature female gamete is called
(a) spermatogenesis
(b) acrosome
(c) semen
(d) oogenesis
Answer
Answer: (d) oogenesis
Question 15.
The first menstruation beigins at puberty and is called
(a) ovum
(b) sperm
(c) menarche
(d) menstrual cycle
Answer
Answer: (c) menarche
Fill in the Blanks
Question 1.
The process of fermation of a mature female gamete is called ………………..
Answer
Answer: oogenesis
Question 2.
The tertiary follicle further changes with the mature follicle or ………………..
Answer
Answer: Graafian follice
Question 3.
The first menstruation begins at puberly and is called ………………..
Answer
Answer: menarche
Question 4.
The corpus luteum secretes large amounts of ………………..
Answer
Answer: progesterons
Question 5.
Menstrual cycles ceases around 50 years of age and is termed as ………………..
Answer
Answer: menopause
Question 6.
The process of fusion of a sperm with an ovum is called ………………..
Answer
Answer: fertilisation
Question 7.
Blastocyst become embedded in the endometruim of the uterus and is called ………………..
Answer
Answer: implantatiop
Question 8.
In the later part of pregnancy a hormone called ……………….. is also secreted by the ovary.
Answer
Answer: relaxin
Question 9.
The process of delivery of the fetus is called ………………..
Answer
Answer: parturition
Question 10.
The milk produced during the initial few days of lactation is called ………………..
Answer
Answer: colostrum.
State True or False
Question 1.
The male reproductive system is located in the pelvis region.
Answer
Answer: True
Question 2.
Sperm are produced by the female reproductive system.
Answer
Answer: False
Question 3.
Sertoli cells systhesise and secrete testicular hormones called androgens.
Answer
Answer: False
Question 4.
Ovaries are found in the male reproductive system.
Answer
Answer: False
Question 5.
The oviduct, uterus and vagina constitute the female accessory ducts.
Answer
Answer: True
Question 6.
The infundibulum leads to a wider part of the oviduct called ampulla.
Answer
Answer: True
Question 7.
Sertoli cells are released from the seminiferous tubules by the process called spermiation.
Answer
Answer: True
Question 8.
Spermatogenesis starts at the age of puberty.
Answer
Answer: True
Question 9.
The seminal plasma alongwith the sperms constitute the ovum.
Answer
Answer: False
Question 10.
The process of formation of a nature female gamete is called spermatogenesis.
Answer
Answer: False
One Word Type Questions
Question 1.
Name the pouch in which testis are situated.
Answer
Answer: Scrotum.
Question 2.
Name the glands which help in the lubrication of the penis.
Answer
Answer: Bulbourethral glands.
Question 3.
Name the primary sex organs of female that produce ovum.
Answer
Answer: Ovaries.
Question 4.
What is he length of each fallopian tube?
Answer
Answer: 10-12 cm.
Question 5.
By what other name is uterus called?
Answer
Answer: Womb.
Question 6.
Name the tiny finger like structure which lies at the upper junctions of the two labia minora above the urethral opening.
Answer
Answer: Clitoris.
Question 7.
Name the duct from which milk is sucked out.
Answer
Answer: Lactiferous duct.
Question 8.
At what age dues spermatogenesis starts?
Answer
Answer: Puberly.
Question 9.
What is the process of formation of a mature female gamete called?
Answer
Answer: Oogenesis.
Question 10.
During cogulation what is released by the penis into the.vagina?
Answer
Answer: Semen.
Matching Type Questions
| Column I | Column II |
| 1. Testis | (a) Female reproductive organ |
| 2. Ovary | (b) Womb |
| 3. Uterus | (c) Mammary gland |
| 4. Milk | (d) At the age of puberty |
| 5. Spermatogenesis | (e) Male reproductive organ |
Answer
Answer:
| Column I | Column II |
| 1. Testis | (e) Male reproductive organ |
| 2. Ovary | (a) Female reproductive organ |
| 3. Uterus | (b) Womb |
| 4. Milk | (c) Mammary gland |
| 5. Spermatogenesis | (d) At the age of puberty |
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