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प्रश्न
Define the term Fetilization.
उत्तर
When sperms and eggs from the opposite partners (males and females) fuse to form Zygote. It is called fertilization.
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संबंधित प्रश्न
Oviparous animals give birth to young ones.
Name the organ which produces female sex cells.
Find the odd one out, give reason:
Testes, epididymis, uterus, vas deferens
Differentiate between the following:
External fertilisation and Internal fertilisation.
Define the term Metamorphosis.
Answer the following question.
Explain the histological structure of ovary in human.
Give reason for the following:
A male honey bee has 16 chromosomes whereas a female has 32 chromosomes.
Choose the correct answer from the options given below:
Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution.
- Lower groups of organisms have simpler body design
- Asexual reproduction is common in lower groups
- Asexual reproduction is common in higher groups of organisms
- The high incidence of sexual reproduction in angiosperms and vertebrates
Animals in which an embryo develops outside the body are called ______ animals.
Reproduction is essentially a phenomenon that is not for survival of an individual but for the stability of a species. Justify.
