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In which type of reproduction, gametes are involved?
Do all organisms give birth to young ones?
Give the name of young one of cat and frog.
Two types of individuals on the basis of sexuality are present. Name them.
Name the male organ that produces sperms.
In males, urine and sperms pass through a common part of outside. What is this part know as?
In which part of the females, sperms are introduced?
Implantation is important for development of embryo. What happens during this process?
Give the time taken by an embryo to develop into chick.
Mention the functions of albumin in egg.
Are all mammals viviparous?
Give the stages of growth in silkworm.
Amoeba is a unicellular organism. How does a single cell produce its copies?
List the various types of asexual reproduction.
Name some animals which reproduce by budding.
List modes of reproduction present in animals.
Name the organs of the female reproductive system in humans.
Is binary fission, sexual or asexual?
What do you understand by foetus?
Write the name of an animal which is hermaphrodite.
What do you understand by viviparous animals?
In sexual reproduction, does fertilisation take place or not?
Discuss the advantages of asexual reproduction.
Explain what happens after a hen lays a fertilised egg.
Human male gamete has a tail but female gamete does not. Why?
Testes produce male germ cells. What are these cells called? Name its parts.
Write two ways by which AIDS is transmitted.
Which cell do organelles find only in plant cells?
Elucidate the life cycle of frog.
Give details of two different ways in which a zygote develops in case of internal fertilisation.
Describe cloning with diagram.
Write five differences between menarche and menopause.
List some points about the discovery of cell.