Human lungs develop from embryonic:
1. ectoderm
2. endoderm
3. epiderm
4. mesoderm

Subtopic:  Fetal Development & Parturition |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

During cleavage divisions, successive blastomeres:

1. have a decreasing nuclear/cytoplasmic ratio

2. become smaller and smaller

3. grow larger and larger

4. undergo meiotic divisions.

Subtopic:  Embryonic Development till Gastrulation |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Human nervous system is derived from embryonic:

1. ectoderm

2. endoderm

3. epiderm

4. mesoderm

Subtopic:  Embryonic Development till Gastrulation | Fetal Development & Parturition |
 54%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

Gonadotropin releasing hormone (GnRH) is released from:

1. anterior pituitary

2. hypothalamus

3. gonads

4. posterior pituitary

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

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Inhibin in males or females decrease the secretion of:

1. FSH

2. LH

3. GnRH

4. Sex steroids

Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Identify the correct statement regarding the onset of puberty amongst the following:

1. LH is the first hormone to demonstrate an increased secretion

2. GnRH secretion decreases

3. spermatogenesis in males in stopped

4. secretion of sex steroids decreases

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 82%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

Which of the following cannot be exclusively because of testosterone?

1. growth of the larynx

2. development of pubic hair

3. growth of the testes

4. growth of the penis

Subtopic:  Male Reproductive System |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

The first haploid cell in sperm lineage is:

1. primary spermatocyte

2. secondary spermatocyte

3. spermatogonium

4. spermatid

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 63%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


A maturing ovarian follicle consisting of an oocyte surrounded by two or more layers of tall, supporting granulosa cells but lacking an antrum is:

1. Primordial follicle 2. Primary follicle
3. Secondary follicle 4. Graafian follicle
Subtopic:  oogenesis |
 59%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

When a primary oocyte divided meiotically, the smaller cell formed is called:

1. oogonium

2. ootid

3. polar body

4. antrum

Subtopic:  oogenesis |
 81%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.