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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
State whether the following statement is true (T) or false (F):
The plumule of an embryo gives rise to the root system.
Rewrite the terms in the correct order so as to be in a logical sequence.
coitus, ovum, Sperm, sperm duct, urethra, Vagina.
Choose the correct answer:
Virgin birth is called ______________
Name two essential structures which take part in fertilization.
Give Technical Term:
How much semen is discharged per ejaculation in a man?
Give Technical Term:
The place where fertilization occurs in the female reproductive system.
Write the functional activity of the following structure:
Prostate gland
Multiple Choice Question:
Fertilization means:
Explain the mechanism of fertilization in humans.
What role do secretions of the female genital tract play in capacitation?
