The human fetus develops limbs and digits:

1. After one month of pregnancy

2. By the end of second month of pregnancy

3. During the fifth month of pregnancy

4. By the end of second trimester of pregnancy

Subtopic:  Fetal Development & Parturition |
 66%
From NCERT
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In the male human being, sperms contain autosomes and

1. Only one Y-chromosome

2. Only one X-chromosome

3. Both X and Y-chromosome

4. Either X or Y-chromosome

Subtopic:  Sex Determination in Humans |
From NCERT
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The structure of testis of a mammal can be identified by the presence of

(1) Spermatogonia

(2) Spermatocytes

(3) Cells of Sertoli

(4) Spermatids

Subtopic:  Seminiferous Tubules & Spermatogenesis |
From NCERT
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In the vertebrates testes, for nourishment during spermiogenesis, the spermatids get attached to

(1) Interstitial cells

(2) Sperm-mother cells

(3) Spermatocytes

(4) Sertoli cells

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 87%
From NCERT
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In man the vas deferencs emerges from

(1) Cauda epididymis

(2) Caput epididymis

(3) Corpora cavernosa

(4) Glomus major

Subtopic:  Male Reproductive Duct System |
 64%
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Follicular atresia is

(1) Formation of corpus luteum

(2) Degeneration of folliciles 

(3) Formation of Graffian follicle

(4) Increase in number of follicles

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase |
 70%
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The menstrual cycle begins with the casting off of

(1) Placenta

(2) Blood

(3) Endometrial lining along with blood vessels

(4) All the three

Subtopic:  Introduction to Menstrual Cycle: 1 | Introduction to Menstrual Cycle: 2 | Introduction to Menstrual Cycle |
 76%
From NCERT
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Graafian follicle of ovary secretes which hormone

1. Cortisone

2. Relaxin

3. Progesterone

4. None of these

Subtopic:  Menstrual Cycle: Luteal Phase |
 63%
From NCERT
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Human milk differs from cow's milk in that it contains a

(1) Higher percentage of fat

(2) Higher percentage of carbohydrate

(3) Lower percentage of protein

(4) (2) and (3)

 65%
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The substrate used for sperm metabolism is produced by the

1. prostate

2. seminal vesicle

3. Cowper's gland

4. testes

Subtopic:  Male Reproductive Duct System |
 62%
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