The hormone responsible for enlargement of mammary glands at puberty is

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The hormone responsible for enlargement of mammary glands at puberty is

A. Progesterone

B. Oestrogen

C. Testosterone

D. Oxytocin

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In human embryo, the digestive system develops from the

A. Epithelium

B. Mesoderm

C. Endoderm

D. Ectoderm

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Acrosome of sperm contains ...

A. Hyaluronidase and acrosin

B. Hyaluronic acid and acrosin

C. Hippuric acid and uric acid

D. Testosterone

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Human placenta is

A. Endothelial

B. Haemochorial

C. Epitheliochorial

D. Syndesmochorial

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Correct sequence in embryonic development is ..

A. Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula

B. Fertilization -> zygote -> cleavage -> blastula -> morula -> gastrula

C. Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula

D. Fertilization -> zygote -> gastrulae -> morula -> blastula -> cleavage

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Medical termination of pregnancy is safe till how many weeks of pregnancy?

A. 10 weeks

B. 12 weeks

C. 20 weeks

D. 22 weeks

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Number of chromosomes in secondary oocyte stage in humans is ...

A. 23

B. 46

C. 18

D. 20

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Forensic investigation of rape case focuses on the presence of fructose in female reproductive system, the only part of the human body producing fructose is

A. Cowper's gland

B. Prostate gland

C. Testes

D. Seminal vesicle

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Cell division that occurs in zygote is called

A. meiosis

B. Mitosis

C. Cleavage

D. Differentiation

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Emergency contraceptives may prevent pregnancy if used within 72 hrs of

A. Menstruation

B. Fertilization

C. Ovulation

D. Coitus

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Part of sperm that passes into ovum is

A. Tail

B. Acrosome

C. Head

D. Head, neck and middle piece

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Which layer of embryo is formed first

A. ectoderm

B. Mesoderm

C. Endoderm

D. Mesenchyma

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At the end of meiosis I, the Oocyte yields

A. Secondary Oocyte and first polar body

B. First polar body

C. Secondary Oocyte

D. Second polar body

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The chemical of the ovum that attracts and holds sperm

A. Fertilizin

B. Antifertilizin

C. Agglutin

D. Antiagglutinin

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Combined Oral contraceptives prevent pregnancy by

A. Tubal block

B. Preventing spermatogenesis

C. Forming a barrier between the ovum and sperm

D. Suppressing ovulation

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Which one of the following is produced early in the life of a human female?

A. Relaxin

B. Oxytocin

C. Prolactin

D. Progesterone

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Secretion of testosterone is stimulated by

A. FSH

B. TSH

C. ICSH

D. ACTH

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The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:

A. Capacitor

B. Head

C. Corona

D. Acrosome

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In humans female ovulation occurs during menstrual cycle

A. At the end of proliferative phase

B. At the beginning of proliferative phase

C. Before the end of secretary phase

D. In the middle of secretary phase

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During ovulation, for favourable sperm travel oestrogen causes

A. Cervical mucus to become stretchy and clear

B. Less cervical mucus production

C. Tenderness of cervix

D. Slight vaginal bleeding

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Cu ions released from copper-releasing intra uterine devices (iuds)

A. Prevent ovulation

B. Suppress sperm motility

C. Prevents implantation of embryo

D. Kills sperms

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Epididymis is ...

A. A long coiled tube between vasa efferentia and vas deferens

B. Network of sinuses between seminiferous tubules and efferentia

C. Connection between vas deferens and seminal vesicle

D. Intermediate structure between the testis and vasa efferentia

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Mammary glands are modification of ...

A. Sebaceous glands

B. Sweat glands

C. Meibomian glands

D. None of the above

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Failure of the brain to grow in the foetus may result in:

A. Plagiocephaly

B. Craniostenosis

C. Anencephaly

D. Microcephaly

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Layers of ovum from outside to inside are .

A. Corona radiata, zona pellucida, vitelline membrane

B. Zona pellucida, corona radiata, vitelline membrane

C. Vitelline membrane, zona pellucida, corona radiata

D. Zona pellucida, vitelline membrane, corona radiate

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Gestation period of 280 days is calculated from time of ...

A. Last menstruation

B. Fertilization

C. First day of last menstruation

D. Ovulation

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The pre fertilisation process stage of sperm before entry into the ovum is called as

A. Maturation

B. Insemination

C. Capacitation

D. Fertilization

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In ectopic pregnancy, foetus grows in ...

A. Vagina

B. Fallopian tube

C. Uterus

D. Body cavity

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The middle piece of the sperm contains

A. Protein

B. Nucleus

C. Mitochondria

D. Centriole

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Albinism is a congenital disorder resulting from the lack of which enzyme?

A. Tyrosinase

B. Xanthine oxidase

C. Catalase

D. Fructokinase.

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What is the name of the inner lining of the uterus?

A. Myometrium

B. Endometrium

C. Epithelium

D. Endothelium

Discuss this answer

Accepted Answer

B. Oestrogen

The hormone responsible for enlargement of mammary glands at puberty is

Correct Answer :

Show all Human reproductive system MCQ

Related Questions

In human embryo, the digestive system develops from the

Acrosome of sperm contains ...

Human placenta is

Correct sequence in embryonic development is ..

Medical termination of pregnancy is safe till how many weeks of pregnancy?

Number of chromosomes in secondary oocyte stage in humans is ...

Forensic investigation of rape case focuses on the presence of fructose in female reproductive system, the only part of the human body producing fructose is

Cell division that occurs in zygote is called

Emergency contraceptives may prevent pregnancy if used within 72 hrs of

Part of sperm that passes into ovum is

Which layer of embryo is formed first

At the end of meiosis I, the Oocyte yields

The chemical of the ovum that attracts and holds sperm

Combined Oral contraceptives prevent pregnancy by

Which one of the following is produced early in the life of a human female?

Secretion of testosterone is stimulated by

The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:

In humans female ovulation occurs during menstrual cycle

During ovulation, for favourable sperm travel oestrogen causes

Cu ions released from copper-releasing intra uterine devices (iuds)

Epididymis is ...

Mammary glands are modification of ...

Failure of the brain to grow in the foetus may result in:

Layers of ovum from outside to inside are .

Gestation period of 280 days is calculated from time of ...

The pre fertilisation process stage of sperm before entry into the ovum is called as

In ectopic pregnancy, foetus grows in ...

The middle piece of the sperm contains

Albinism is a congenital disorder resulting from the lack of which enzyme?

What is the name of the inner lining of the uterus?

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