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CBSE Notes 2011-2012 » X-Science-Term2

How Do Organisms Reproduce ?

During adolescence, several changes occur in the human body. Mark one change associated with sexual ...

Multiple choice question

During adolescence, several changes occur in the human
body. Mark one change associated with sexual maturation
in boys.

In human females, an event that reflects onset of reproductive phase is

Multiple choice question

In human females, an event that reflects onset of
reproductive phase is

In human males, the testes lie in the scrotum, because it helps in the

Multiple choice question

In human males, the testes lie in the scrotum, because it helps in the

Which among the following is not the function of testes at puberty ? (i) formation of germ cells (ii...

Multiple choice question

Which among the following is not the function of testes at
puberty ?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of placenta
(iv) secretion of estrogen

The correct sequence of organs in the male reproductive system for transport of sperms is

Multiple choice question

The correct sequence of organs in the male reproductive
system for transport of sperms is

Which among the following diseases is not sexually transmitted ?

Multiple choice question

Which among the following diseases is not sexually
transmitted ?

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