Question 1 :
In human males, the testes lie in the scrotum, because it helps in the
Question 5 :
State whether the statement is TRUE or FALSE : Fertilisation occurs once in a month.
Question 6 :
Which of the following is the correct sequence of events of sexual reproduction in a flower?
Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc185078c526e972caea1d.PNG' />
In the above figure, would a Planaria cut vertically into two halves regenerate into two individuals?
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc185078c526e972caea1f.PNG' />
In the above figure, which part mention the function Site of fertilisation.
Question 9 :
In human females, an event that reflects onset of reproductive phase is
Question 10 :
Factors responsible for the rapid spread of bread mould on slices of bread are large number of spores. Is it true or false?
Question 11 :
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys
Question 12 :
Whether secretion of estrogen is the function of testes at puberty?
Question 13 :
What changes are observed in the uterus subsequent to implantation of young embryo?
Question 14 :
Why cannot fertilisation take place in flowers if pollination does not occur?
Question 16 :
The number of chromosomes in parents and offsprings of a particular species remains constant due to
Question 17 :
In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called
Question 20 :
State whether the statement is TRUE or FALSE : Dog is reproduced by the asexual method.