MCQs - NCERT Solution of Class 12 Biology Human Reproduction

121 Which part is connected to the uterus through cervix ?

[1] Vagina

[2] (1) and (3) both

[3] Hymen

[4] Mucosal membrane

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

Answer: Ovarian follicles

123 Which is accessory part of female reproductive system ?

[1] Vulva

[2] Pudendum

[3] Mammary gland

[4] Vagina

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

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

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

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

Answer: Seminal vesicle

128 What is length of epididymis?

[1] 6 c.m

[2] 6 feet

[3] 6 meter

[4] 6 inch

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

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

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

Answer: Tunica albuginea

132 In male accessory reproductive glands which is incorrect ?

[1] Seminal vesicle

[2] Prostate gland

[3] Urinary bladder

[4] Bulbourethral gland

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

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

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

Answer: FSH

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