EASY
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In human during fertilization a sperm firstly comes in contact with which layer of ovum

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Important Questions on Human Reproduction

MEDIUM
Biology>Reproduction>Human Reproduction>Fertilization in Humans
What is fertilization ? In which part of Human female reproductive system does it occurs? Explain diagrammatically various physical and chemical events of fertilization in humans.
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
How is polyspermy prevented during fertilisation?
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
“All copulations lead to fertilization and pregnancy”. Do you agree with this statement? Justify your answer. 
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Microtubules are the constituents of:
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Capacitation refers to changes in the:
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
What is "Capacitation" of sperms ?
MEDIUM
Biology>Reproduction>Human Reproduction>Fertilization in Humans
What is fertilisation? State its significance.
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
If you suspect major deficiency of antibodies in a person, to which of the following would you like for confirmation evidence?
HARD
Biology>Reproduction>Human Reproduction>Fertilization in Humans
Describe the physico-chemical events that take place during fertilization in humans.
MEDIUM
Biology>Reproduction>Human Reproduction>Fertilization in Humans
Describe the process of fertilization in human with the help of four sequential diagrams.
MEDIUM
Biology>Reproduction>Human Reproduction>Fertilization in Humans

Mitochondria and chloroplast are:

(i) Semi - autonomous organelles

(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery

Which one of the following option is correct?

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Biology>Reproduction>Human Reproduction>Fertilization in Humans

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

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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Root pressure is usually acidic because:
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Capacitation occurs in
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Identify the correct order of organization of genetic material from largest to smallest :
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Which one of the following is not applicable to RNA?
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Chromatophores take part in:
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
Define fertilization. Where does this process take place in female body? Describe the process of fertilization in human body.
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Biology>Reproduction>Human Reproduction>Fertilization in Humans
During fertilization, zona pellucida of the ovum is dissolved by this enzyme released by the sperm
MEDIUM
Biology>Reproduction>Human Reproduction>Fertilization in Humans
Fertilization in humans is practically feasible only if: