In the diagrammatic sectional view of the seminiferous tubule, which structures shown in the diagram are correctly matched to the description given? 
 
A. the primary source of testosterone or androgens in males
B. male germ cells in the inside lining of seminiferous tubules
C. spermatids released from seminiferous tubules
D. Present in the inside lining of seminiferous tubules, they nourish developing sperm cells

1.Only A, B, and C2.Only A, B, and D
3.Only B, C, and D4.A, B, C, and D
Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


The ducts of the seminal vesicles open into:

1. Ejaculatory duct 2. Rete testis
3. Urethra 4. Vas deferens

Subtopic:  Basic Anatomy of Testis | Seminiferous Tubules & Spermatogenesis |
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Which of the following is not a male accessory sex gland?

1. Bulbourethral gland 2. Testis
3. Prostate 4. Seminal vesicles

Subtopic:  Basic Anatomy of Testis | Seminiferous Tubules & Spermatogenesis |
 89%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


advertisementadvertisement

Which cell in the sperm lineage undergoes reduction division [meiosis]?

1.Type A spermatogonia2.Type B spermatogonia
3.Primary spermatocyte4.Secondary spermatocyte

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 73%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


What is the number of chromosomes in each secondary spermatocyte?

1.232.46
3.694.92

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 91%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


The final release of sperms from the seminiferous tubules is called:

1. Spermiation 2. Emission
3. Retrograde ejaculation 4. Ejaculation

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 87%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


advertisementadvertisement

In the given diagrammatic sectional view of a seminiferous tubule, cells that nourish developing sperms and the cells that undergo reduction division are respectively represented by the letters:
1. B and C 2. B and D
3. A and E 4. C and E
Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
 68%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


FSH:

1.  Acts on Sertoli cells and stimulates secretion of some factors that help in spermiogenesis
2.  Acts on Sertoli cells and inhibits secretion of some factors that help in spermiogenesis
3.  Acts on Leydig cells and stimulates secretion of some factors that help in spermiogenesis
4.  Acts on Leydig cells and inhibits secretion of some factors that help in spermiogenesis

Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
 86%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


The functions of male sex accessory ducts and glands are maintained by:

1. Hypothalamic releasing hormone

2. Pituitary gonadotropins

3. Adrenal cortex steroids

4. Testicular androgens

Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
 64%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


advertisementadvertisement

Which of the following will carry 46 chromosomes?

1.Sperms2.Spermatids
3.Secondary spermatocytes4.Primary spermatocytes

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 90%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.