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Which one of the following statements about human sperm is correct?
Options
(a) Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilisation
(b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
(c) Acrosome serves as a sensory structure leading the sperm towards the ovum
(d) Acrosome serves no particular function
Correct Answer:
The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
Explanation:
Acrosome a small pointed structure at the tip of nucleus. It breaks down just before fertilization, releasing hydrolytic enzymes that assist penetration between follicle cells that surrounds the ovum, thus facilitating fertilization.
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- For a plasmolysed cell which equation is correct?
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Topics: Human Reproduction
(101)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Phytochrome in plants is sensitive to
- Excretory product of birds and insects is
- For a plasmolysed cell which equation is correct?
- Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are
- Earthworms have no skeleton but during burrowing the anterior end becomes
Topics: Human Reproduction (101)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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