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प्रश्न
In markets, eggs of birds are available but never eggs of dogs. why?
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उत्तर
Birds are oviparous, i.e., lay eggs outside their body. So, it is easy to collect their eggs and these are thus available in the market.
On the contrary, dogs are viviparous, i.e., do not lay eggs but give birth to young ones. Their eggs are extremely small and remain inside their bodies.
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संबंधित प्रश्न
The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
Name (any one) hormone produced by the part labelled '2'.
Give Technical Term:
In how many weeks fetus development is completed?
Give Technical Term:
A method of contraception in which the sperm duct is cut and ligated.
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.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Fertilization is the product of the egg nucleus and the sperm nucleus.
Multiple choice question.
In human female, the fertilized egg gets implanted in uterus _______.
Write a short note on fallopian tube.
Define.
Fertilization
What are the functions of each hormone in the neurohypophyseal hormone?
What is the duration of capacitation in the female genital tract?
