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प्रश्न
State whether True or False:
The chromosome number in germ cells producing the gametes are diploid.
विकल्प
True
False
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उत्तर
This statement is True.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true (T) or false (F):
A fertilised egg becomes a seed.
Define the term Gamete.
Define the Zygote.
Name the following:
The fully developed part of the ovary containing a mature egg.
Name the following:
The accessory gland in human males whose secretion activates the sperms
Rewrite the correct statement by changing the last one word if these statement is false.
Pregnancy in women can be prevented by the method of vasectomy.
Define the following:
Ovulation
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?

The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
What term is given to the period of development of the foetus in the womb?

Study the diagram given below and then answer the questions that follow:

(i) Name the part labeled A. Name any two hormones produced by the part labeled A.
(ii) What happens to the part labeled B.
(1) if fertilization takes place?
(2) If fertilization does not take place?
(iii) Where does fertilization occur?
(iv) Draw a neat diagram of the human sperm as seen under high magnification and label the following parts.
(1) Acrosome
(2) Mitochondria
Complete the following sentences with appropriate word:
The process of releasing an egg from the ovary is called _________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sperm is a single cell.
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.
Write the functional activity of the following structure:
Seminal vesicles
Define.
Fertilization
In which part of the human female reproductive system do the following events take place?
Fertilization
Give any four significances of fertilization in humans.
Explain tubectomy and vasectomy.
What are the potential drawbacks in adoption of the IVF method?
- High fatality risk to mother.
- Expensive instruments and reagents.
- Husband/wife necessary for being donors.
- Less adoption of orphans.
- Not available in India.
- Possibility that the early embryo does not survive.
Choose the correct answer from the options given below:
