CBSE - Human Reproduction MCQs | CBSE Solution of Class 12 Biology Human Reproduction

Questions

61 In oogenesis which substance are present in primary oocyte of growth phase

1 Fat and proteins

2 DNA, RNA

3 ATP and enzyme

4 Above all

View Answer

Answer: Above all

62 The metamorphosis of the spermatids in to the sperms is known as.......

1 Multiplication phase

2 The maturation phase

3 The growth phase

4 Spermiogenesis

View Answer

Answer: Spermiogenesis

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63 During puberty stage, which sex hormone stimulate the enlargement of breast ?

1 Progesterone

2 Estrogen

3 Testosterone

4 (1) and (2) both

View Answer

Answer: Estrogen

64 What is the shaped of uterus ?

1 Inverted appleshaped

2 Inverted mango shaped

3 Inverted pear shaped

4 None of this

View Answer

Answer: Inverted pear shaped

65 What is the structure consist of mature ovum and its surrounding tissues its called ?

1 Mature ovum

2 Ovarian follicles

3 Graffian follicle

4 Corpus luteum

View Answer

Answer: Graffian follicle

66 What is called a capsule of collagenous connective tissue immediately after the germinal epithelium of ovaries?

1 Stroma

2 Tunica albuginea

3 Ovarian epithelium

4 None of them

View Answer

Answer: Tunica albuginea

67 Which tissue layer covers the ovary ?

1 Columnar epithelium

2 Squamous epithelium

3 Ciliary epithelium

4 Cuboidal epithelium

View Answer

Answer: Cuboidal epithelium

68 What is PH of vaginal fluid ?

1 3.5 to 4.0

2 3.6 to 4.1

3 3.7 to 4.2

4 3.8 to 4.3

View Answer

Answer: 3.5 to 4.0

69 The seminal vesicle are located at ?

1 Over urinary bladder

2 Near urinary bladder

3 Besides urinary bladder

4 Base of the urinary bladder

View Answer

Answer: Base of the urinary bladder

70 What is length of vas deference ?

1 45 inch

2 45 mm

3 45 cm

4 4.5 meter

View Answer

Answer: 45 cm

71 In testis which cells produce sperms?

1 Germinal cells

2 Epithelial cell

3 Sertoli cell

4 Both 1 and 3

View Answer

Answer: Germinal cells

72 Where testes are situated?

1 Abdominal cavity

2 Dorsalside of abdominal cavity

3 (1) and (2) both

4 Scrotal sac.

View Answer

Answer: Scrotal sac.

73 Where seminiferous tubules of each lobe empty sperms ?

1 Vas deference

2 Epididymus

3 Epididymus

4 Seminal vesicles

View Answer

Answer: Epididymus

74 What percentage of semen is produced by seminal vesicles ?

1 50%

2 55%

3 60%

4 65%

View Answer

Answer: 60%

75 The average volume of semen for each ejaculation is ......

1 3 to 4 ml

2 3.5 to 4.5 ml

3 4 to 5 ml

4 4.5 to 5.5 ml

View Answer

Answer: 3 to 4 ml

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