MCQs - NCERT Solution of Class 12 Biology Human Reproduction

Questions

121 Which part is connected to the uterus through cervix ?

1 Vagina

2 (1) and (3) both

3 Hymen

4 Mucosal membrane

View Answer

Answer: Vagina

122 What is the structure consist of ova and their surrounding tissues in various stages of development its called ?

1 Primary follicle

2 Ovarian follicles

3 Graffian follicles

4 Corpus luteum

View Answer

Answer: Ovarian follicles

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123 Which is accessory part of female reproductive system ?

1 Vulva

2 Pudendum

3 Mammary gland

4 Vagina

View Answer

Answer: Mammary gland

124 What is PH of semen ?

1 7.3 to 7.7

2 7.2 to 7.6

3 7.4 to 7.8

4 7.5 to 7.9

View Answer

Answer: 7.2 to 7.6

125 Which gland secrete alkaline fluid ?

1 Seminal vesicle gland

2 Prostate gland

3 Bulbourethral gland

4 (2) and (3) both

View Answer

Answer: (2) and (3) both

126 Which substances present in seminal vesicles is thick and yellowish secretion ?

1 Sugar

2 Vitamin-c

3 Fat

4 (1) and (2) both

View Answer

Answer: (1) and (2) both

127 The distal end of vas deference is expanded and in this region the opens ?

1 Prostate gland

2 Bulbourethral gland

3 Seminal vesicle

4 Ejaculatory duct

View Answer

Answer: Seminal vesicle

128 What is length of epididymis?

1 6 c.m

2 6 feet

3 6 meter

4 6 inch

View Answer

Answer: 6 meter

129 What is the size of testis?

1 6 cm length and 2.5 cm diameter

2 5 cm length and 3.5 cm diameter

3 5 cm length and 2.5 cm diameter

4 6 cm length and 3.5 cm diameter

View Answer

Answer: 5 cm length and 2.5 cm diameter

130 Which hormone is realeased from ovaries ?

1 Testosterone

2 Estrogen

3 Progesterone

4 (2) and (3) both

View Answer

Answer: (2) and (3) both

131 Which connective tissue surrounds testis ?

1 Fibrous tissue

2 Spongy connective tissue

3 Tunica albuginea

4 None of them

View Answer

Answer: Tunica albuginea

132 In male accessory reproductive glands which is incorrect ?

1 Seminal vesicle

2 Prostate gland

3 Urinary bladder

4 Bulbourethral gland

View Answer

Answer: Urinary bladder

133 What is provided to sperms by secretion of seminal vesicles ?

1 Nourishment

2 Activating

3 Lubricant

4 (1) and (3) both

View Answer

Answer: Nourishment

134 What is size of ovaries ?

1 3 c.m long , 2 c.m wide , 1 c.m thick

2 3 c.m long , 2 c.m wide , 2 c.m thick

3 2 c.m long , 2 c.m wide , 1 c.m thick

4 2 c.m long , 2 c.m wide , 2 c.m thick

View Answer

Answer: 3 c.m long , 2 c.m wide , 1 c.m thick

135 Sertoli cells are regulated by the pituitary hormone known as

1 LH

2 GH

3 FSH

4 Prolactin

View Answer

Answer: FSH

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