NEET Biology MCQs on Spermatogenesis

Spermatogenesis can be defined as the process wherein the male gamete sperm develops within testes. It takes place in the testes’ seminiferous tubules and is the male form of gametogenesis. 

Notably, the concept introduces us to several new subtopics and helps us to relate to other vital concepts of reproduction in human beings. You can test your knowledge on spermatogenesis and other associated concepts by practicing NEET biology MCQ on spermatogenesis. 

It will also provide you with a fair idea of which type of questions to accept from the concept in NEET. To further make your revision meaningful, refer to samples of NEET Biology MCQ with answers. 

On that note, take a look at the MCQs below to gain more insight into it!

MCQ On Spermatogenesis 

The following are some MCQs on Spermatogenesis –

1. ______ provides energy to the sperm for its movement.

1. Tail

2. Middle piece 

3. Head

4. Acrosome

2. Which of these happens during spermatogenesis?

1. Mitosis.

2. Meiosis.

3. Mitosis and Meiosis.

4. None of these.

3. ______ induces the process of spermatogenesis.

1. FSH

2. ACTH

3. MSH

4. TSH

4. Which of these is the correct sequence in spermatogenesis?

1. Spermatocyes -> Spermatogona -> Spermatids -> Spermatozoa

2. Spermatogonia -> Spermatocytes -> Spermatids ->  Spermatozoa 

3. Spermatogonia -> Spermatids -> Spermatocytes -> Spermatozoa

4. Spermatocytes -> Spermatids -> Spermatogonia -> Spermatozoa

5. The formation of polar bodies occurs during __________.

1. Spermatogenesis. 

2. Spermateleosis.

3. Gametogenesis.

4. Oogenesis.

6. ___________ forms the acrosome of sperm.

1. Nucleus of spermatid

2. Golgi complex of spermatid

3. Mitochondria of spermatid

4. Centrosome of spermatid

7. _____is the number of secondary spermatocytes required for the formation of 400 spermatozoa.

1. 800

2. 400

3. 200

4. 100

8. Which of these is the lytic enzyme that is released by sperm?

1. Hyaluronidase.

2. Acrosome.

3. Ligase.

4. None of these.

9. Which of these is found in the middle piece of mammalian sperms?

1. Mitochondria.

2. Nucleus and mitochondria.

3. Mitochondria.

4. Centriole.

10. The process of spermatogenesis occurs for __________ in adult humans.

1. 72 hours

2. 2 weeks

3. 64 days

4. 25 weeks

11. Which of these is a major difference between oogenesis and spermatogenesis?

1. Spermatogenesis leads to two sperm, while oogenesis leads to one egg.

2. Oogenesis leads to four eggs while spermatogenesis leads to eight sperm.

3. Spermatogenesis leads to four sperm, while oogenesis leads to one egg.

4. Oogenesis leads to two eggs while spermatogenesis leads to one sperm.

12. _______ is immortal.

1. Germ cells

2. somatic cells

3. Glomerular cells

4. Cells of pituitary

13. The phase of maturation in spermatogenesis involves ____________.

1. Formation of spermatids from spermatocytes through meiosis.

2. Formation of spermatogonia through mitosis from gonocytes.

3. Development of spermatogonia into spermatocytes.

4. None of these.

14. Which of these statements is True? Human spermatozoa:

1. Tend to release in large numbers post abstinence.

2. Moves because of their tails.

3. Has an enzyme in their head that facilitates penetrathe tion of ovum.

4. Fertilises the ovum at a concentration of around 1 million/ml.

15. One primary spermatocyte produces ________ spermatozoa in spermatogenesis.

1. 4

2. 8

3. 2

4. 1

Check out the answers to the above-mentioned NEET Biology MCQ on spermatogenesis 

Solutions of NEET Biology MCQ Questions

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Between the ages of 11 and 15, the primary histologic evidence of spermatogenesis develops. Although spermaturia may be a common early marker of pubertal development, the presence of sperm in urine isn't always consistent, making it a poor predictor altogether for males. Spermaturia is more common in early puberty than in late adolescence, implying that sperm flow via the urethra is continuous in early puberty but that ejaculation is required for sperm to move in late puberty.

Spermatogenesis may be a highly specialized and complex DNA reduction and reproductive cell transformation process. In step with previous research, the total process takes about 64 days for people. However, an in vivo kinetic investigation in healthy males found that the general time to make an ejaculated sperm ranged from 42 to 76 days, implying that spermatogenesis can take a protracted time for various people.

The generation of sperm from primordial germ cells is understood as spermatogenesis. When vertebrate PGCs reach a male embryo's genital ridge, they're integrated into the sex cords. They stay until they reach maturity, when the sex cords thin dead set form seminiferous tubules, and also the tubule epithelium develops into Sertoli cells. The spermatogenic germ cells, the spermatogonia, are thought to manipulate the onset of spermatogenesis throughout puberty by producing BMP8B. When BMP8B concentrations reach a vital level, germ cells begin to differentiate. Differentiating cells create lots of BMP8B, which stimulates their differentiation even more.

N-cadherin molecules on both cell surfaces attach the spermatogenic germ cells to the Sertoli cells, as do galactosyltransferase molecules on the spermatogenic cells, which bind a carbohydrate receptor on the Sertoli cells. Within the Sertoli cells' recesses, spermatogenesis—the process of turning a reproductive cell into a mature sperm—takes place. The processes by which PGCs produce sperm are studied in an exceedingly large type of species.

Spermiogenesis (or spermateliosis), the differentiation of the gamete, is that the next to introduce sperm maturation. The sperm must encounter and join with the egg for fertilization to require a place, and spermiogenesis prepares the sperm for these functions of motility and phone.

The formation of the acrosomal vesicle from the cyst is the initial stage. The acrosome protects the sperm nucleus with a cap. The nucleus rotates because the acrosomal cap forms, causing the cap to face the seminiferous tubule's basal membrane. The flagellum is setting out to form from the centriole on the opposite side of the nucleus, and this flagellum will extend into the lumen, necessitating this rotation. The nucleus flattens and condenses during spermiogenesis, the leftover cytoplasm (the "cytoplasmic droplet") is jettisoned, and also the mitochondria form a hoop round the flagellum's base.

The amount of cytoplasm (substances outside of the nucleus) and structures called organelles within the cytoplasm increase because the main sperm cells mature. The first cells divide into a sort called a secondary spermatozoan after a resting phase. There occurs a splitting of the nuclear material during a biological process. There are 46 chromosomes within the nucleus of initial sperm cells, but only 23 chromosomes within the nucleus of secondary sperm cells, like within the egg. The traits of both individuals blend because the egg and sperm combine and their chromosomes fuse, and therefore the new organism begin to grow.

Before it can fertilize an egg, the secondary sperm must develop, which involves changes within the sperm cell's structure and form. The nuclear material condenses and takes on an oval shape, and this area develops into the sperm's head. The acrosome, a cap that covers the highest of the pinnacle and aids sperm passage into the egg, is partially covered by the pinnacle. The tailpiece is attached to the alternative end of the pinnacle. The tail is produced from the cytoplasm of the secondary sperm. In mature sperm, it's made of a protracted, slender bundle.