The human sperms are

1. 200-300 million in number

2. Exact 60% with normal shape and size

3. Exact 40% with vigourous motility

4. More than one option

Subtopic:  Semen and Male Fertility |
From NCERT
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Suppose a man has 200 million sperms in an ejaculate and he is fertile. Opt a correct option.

(1) 125 million sperm with normal shape and size

(2) 30 million with vigorous motility

(3) 40 million with vigorous motility

(4) More than one option

Subtopic:  Semen and Male Fertility |
From NCERT
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Secretions of …….…… seminal vesicle and prostate are essential for maturation and motility of sperm.

(1) Epididymis

(2) Vas deferens

(3) Both

(4) None of these

Subtopic:  Male Reproductive Duct System |
 63%
From NCERT
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The functions of male sex accessory ducts and glands are maintained by

(1) GnRH

(2) LH

(3) FSH

(4) Testicular Hormones

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

(1) Embryonic Development stage

(2) At the time, when four million oogonia are formed in female foetus

(3) At the time of birth

(4) More than one option

Subtopic:  Ovary |
From NCERT
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Arrested stage called Primary oocyte is formed

(1) During foetal Growth

(2) At the time of birth

(3) At Puberty

(4) At Menarche

Subtopic:  Ovary |
 63%
From NCERT
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Primary follicles are formed

(1) During foetal Growth

(2) At the time of birth

(3) At Puberty

(4) At Menarche

Subtopic:  Ovary |
 69%
From NCERT
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At puberty, how many primary follicles are there in each ovary in a female?

(1) 60000-80000

(2) 120000-160000

(3) 30000-40000

(4) 12000

Subtopic:  Ovary |
 91%
From NCERT
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Fluid filled cavity is a characteristic feature of

(1) Graafian Follicle

(2) Tertiary Follicle

(3) Secondary Follicle

(4) Primary Follicle

Subtopic:  Ovary |
 73%
From NCERT
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The first meiotic division of primary oocyte is finished in

(1) Graafian Follicle

(2) Tertiary follicle

(3) Primary Follicle

(4) Randomly

Subtopic:  Ovary |
 76%
From NCERT
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