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Test: The Male Reproductive System (NCERT) - NEET MCQ


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15 Questions MCQ Test Biology Class 12 - Test: The Male Reproductive System (NCERT)

Test: The Male Reproductive System (NCERT) for NEET 2024 is part of Biology Class 12 preparation. The Test: The Male Reproductive System (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: The Male Reproductive System (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: The Male Reproductive System (NCERT) below.
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Test: The Male Reproductive System (NCERT) - Question 1

Sertoli cells are regulated by the pituitary hormone known as

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 1
  • FSH stimulates Sertoli cells of the testes to secrete an androgen liming protein that concentrates testosterone in the seminiferous tubules. 
  • Sertoli cells also secrete a hormone called inhibin which suppresses FSH synthesis.
Test: The Male Reproductive System (NCERT) - Question 2

​If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 2

Vasa efferentia are fine ciliated ductules that arise from the seminiferous tubules of testis (where sperms are formed) and open into epididymis which is a mass of long narrow closely coiled tubule lying along the inner side of testis. Epididymis stores the sperms. Thus, if vasa efferentia get blocked, sperms will not be transposed from testes to epididymis.

Test: The Male Reproductive System (NCERT) - Question 3

Consider the following three statements related to the human male reproductive system and select the correct option stating which ones are true (T) and which ones are false (F).

(i) Middle piece of spermatozoon is also termed as power house of spermatozoon.
(ii) Vas deferens joins a duct from seminal vesicle and form vasa efferentia.
(iii) Semen is a collection of secretions from the seminal vesicles, prostate gland and Cowper's glands and sperms from testes.

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 3

Vas deferens joins a duct from seminal vescile to form ejaculatory duct.

Test: The Male Reproductive System (NCERT) - Question 4

A sex gland which contributes fluid containing fructose that provides spermatozoa energy for swimming and hormone prostaglandins that stimulate actions in the female reproductive tract to aid sperm-ovum interaction is

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 4

The seminal vesicles are a pair of sac like structures near the base of the bladder. Their ducts join the vasa deferentia to loan the ejaculatory ducts. They produce an alkaline secretion which contains fructose, prostaglandins and dotting proteins that are different from those in blood. The prostaglandins stimulate uterine contractions and thus may help the sperm to move towards female's oviducts, where fertilisation takes place. Fructose is present in the seminal fluid and is not produced anywhere else in the body. It provides energy to sperms for moving.

Test: The Male Reproductive System (NCERT) - Question 5

The nutritive cells found in seminiferous tubules are

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 5

Wall of each seminiferous tubule is formed of a single layered germinal epithelium. Majority of cells in this epithelium are male germ cells and at centain places, there are persent tall Sertoli cells. These cells act as nurse cells providing nutrition to the developing sperms.

Test: The Male Reproductive System (NCERT) - Question 6

Seminal plasma in humans is rich in

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 6

Secretion of seminal vesicle, prostrate gland and bulbourethral gland Constitute seminal plasma which is rich in fructose, calcium and certain enzymes.

Test: The Male Reproductive System (NCERT) - Question 7

In most mammals, the testes are located in scrotal sac for

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 7

In mammals, scrotal sacs (containing testes) act as thermoregulator, maintaining the temperature of the testes 2C lower than that of the body. This temperature is required for the spermatogenesis to occur, otherwise, the sperms could be destroyed by high temperature, resulting in sterility.

Test: The Male Reproductive System (NCERT) - Question 8

Read the following statements about the given diagram carefully and state which of them are correct?

(i) A carries urine and C stores sperms.
(ii) B secretes a fluid that helps in the lubrication of penis.
(iii) D produces testosterone but not sperms
(iv) C stores sperms

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 8

In the given figure, part 'A' is vs deferens that carries sperms. Part 'B' is Cowper's glands that secreate fluid which helps in the lubrication of the penis during copulation. Part 'C' is epididymis that stores sperms and part 'D' is testis that produces sperms and testosterone.

Test: The Male Reproductive System (NCERT) - Question 9

The function of the secretion of prostate gland is to

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 9

The prostate gland is a single large gland that surrounds the urethra. It produces a slightly alkaline, milky secretion which forms 25% of the volume of semen. It possesses citric acid, enzymes (add phosphatase, amylase, pepsinogen) and prostaglandins. Secretion of the prostate gland nourishes and activates the spermatozoa to swim.

Test: The Male Reproductive System (NCERT) - Question 10

Where is the male reproductive system located?

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 10
  • The male reproductive system is located in the pelvis region.
  • It includes a pair of testes along with accessory ducts, glands and the accessory or external genitalia.
Test: The Male Reproductive System (NCERT) - Question 11

Which one of the following is not a function of sertoli cells?

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 11

Sertoli cells are 'nurse' cells, which is a part of a seminiferous tubule and helps int he process of spermatogenesis i.e., production of sperms.
Sertoli cells are secretory cells. One of the substances which it secretes is inhibin which is secreted after puberty and work together to regulate FSH regulation.
Sertoli cells continuously secrete fluid that is used for the sperm transport is proximal genital ducts.
Manchette is a conic array of microtubules that invests the nucleus of a spermatid. It plays a role in shaping the nucleus during spermatogenensis.
Thus, the correct answer is option C.

Test: The Male Reproductive System (NCERT) - Question 12

Prostate glands are located below

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 12

The prostate gland (small and walnut-shaped) is located beneath the seminal vesicle and secretes a fluid that nourishes and protects sperm. The prostate is just in front of the rectum. The urethra runs through the center of the prostate, from the bladder to the penis, letting urine flow out of the body.

Test: The Male Reproductive System (NCERT) - Question 13

Which one is correct for mammalian testis?

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 13

Graafian follicles are present in human ovaries.

Test: The Male Reproductive System (NCERT) - Question 14

Match each function below with the associated part or parts of the human male reproductive system shown in the figure.
(i) Produces sperm
(ii) Conducts the sperm through the penis to the outside of the body
(iii) Produces seminal fluid
(iv) Connects the epididymis with the urethra

image

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 14

In the given figure: 
A. Seminal vesicle
B. Vas deferens
C. Prostate gland
D. Bulbourethral gland
E. Urethra
F. Epididymis
G. Seminiferous tubules

Test: The Male Reproductive System (NCERT) - Question 15

The given diagram refers toT.S. of testis showing sectional view of a few seminiferous tubules. Identify the parts labelled A-D and select the correct option.

Biology Question Image

Detailed Solution for Test: The Male Reproductive System (NCERT) - Question 15

The testis consists of seminiferous tubules that consist of Sertoli cells that provide nutrition to the germ cells and these cells are lined on the inside along with Spermatogonia or the male germ cells. The regions towards the outside (interstitial spaces) contain interstitial cells. The matured spermatogonia are the spermatozoa or sperms that are present in the interior of the seminiferous tubule.

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