HARD
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Write functions of the corona radiata in the egg.

Important Questions on Human Reproductive System

HARD
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Describe the physico-chemical events that take place during fertilization in humans.
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Meiotic division of the secondary oocyte is completed
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
During fertilization, acrosome of sperm releases
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Biology>Human Reproduction>Human Reproductive System>Gametogenesis
A temporary endocrine gland in the human body is
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
In human females, meiosis-II is not completed until?
MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Which of the following cells during gametogenesis is normally diploid?
MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis

Statement I : Penetration of sperm into ovum is a chemical process
Statement II : Acrosome of sperm secretes hyaluronidase which dissolves vitelline membrane of ovum

The correct option among the following is

EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Vitelline membrane is a ___.
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Which of the following layers in an antral follicle is acellular?
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Capacitation refers to changes in the:
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Biology>Human Reproduction>Human Reproductive System>Gametogenesis
The main function of mammalian corpus luteum is to produce:
MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Name chief layers of human ovum.
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?
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Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Which of the following event is not associated with ovulation in human female?
EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Acrosome of sperm contains ___.
MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis

Statement (S) : There is LH surge in Ovulatory phase.

Reason (R):  LH surge induces the growth and maturation of follicles in the Ovary.

The correct answer is

MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis

Study the following

S.No Cell Formed by State
I. Spermatogonia Mitosis Diploid
II. Spermatid Meiosis I Haploid
III. Oogonia Meiosis  Diploid
IV. Secondary oocyte Meiosis I Haploid

Among the above, correct combination are

EASY
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Capacitation occurs in
MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Fertilization in humans is practically feasible only if:
MEDIUM
Biology>Human Reproduction>Human Reproductive System>Gametogenesis
Draw a labelled diagram of a mature human ovum with at least four labellings.