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प्रश्न
State whether the following statement is True or False. If false, correct the statement:
The eggs of fish are covered by hard shells for protection.
विकल्प
True
False
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उत्तर
This statement is False.
Correct Statement:
The eggs of fish are covered by gelatinous or jelly-like covering for protection.
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संबंधित प्रश्न
Give the significance of fertilization.
Define the term Gamete.
Name the following:
The accessory gland in human males whose secretion activates the sperms
Differentiate between the following pair:
Efferent duct and sperm duct
One egg is released from each of the two ovaries every month.
The following diagram represents the vertical sectional view of the human female reproductive system.
What happens to the uterus, if fertilization fails to take place?
Give Reasons
Millions of sperms are produced at ejaculation yet one sperm actually fertilizes the ovum. Explain.
Write the functional activity of the following structure:
Seminal vesicles
What is sex chromosomes?
Match the pair:
| 'A' | 'B' | ||
| (1) | Male | (a) | 44 + XX |
| (b) | 44 + XY | ||
| (c) | 44 + YY |
