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प्रश्न
Give any four significances of fertilization in humans.
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उत्तर
- The secondary oocyte completes the process of oogenesis and is transformed into a mature ovum (n).
- The diploid chromosome number is restored in the zygote by the process of syngamy.
- The ovum lacks the centrioles necessary for further divisions, which are received from the sperm during fertilization.
- Fertilization involves the fusion of male and female gametes from the two parents. It results in variations that are significant to evolution.
- The sex of the offspring is determined.
Notes
Students should refer to the answer according to their question.
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संबंधित प्रश्न
Define the term Gamete.
Name the following:
Organ producing sperms.
Give the functions of the following:
Fallopian tube
The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
How many days does the foetus take to be fully developed?
What are the functions of testes?
What is fertilization? Name the site of fertilization in the human females.
Give Reasons
A large number of sperms are required for fertilizing one egg.
Differentiate
External fertilization and Internal fertilization.
Name the Following
The basic unit of the testes.
Give Technical Term:
Rupture of the follicle and release of the ovum from the ovary.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sperm is a highly motile male gamete.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Vas deferens transports sperms into the urethra.
Write a short note on fallopian tube.
What is fertilization?
State whether True or False:
The chromosome number in germ cells producing the gametes are diploid.
What are autosomes chromosomes?
Which hormones are called neurohypophyseal hormones?
Write the specific location of the following:
Acrosome
