How is the process of pollination different from fertilisation ?
Pollination is the process of transfer of pollens from anther to stigma. It occurs with the help of certain pollinators such as air, water, birds, or some insects.
Fertilization, on the other hand, is the fusion of the male and female gametes. It occurs inside the ovule and leads to the formation of zygote.
What are the changes seen in girls at the time of puberty ?
What could be the reasons for adopting contraceptive methods ?
How will an organism be benefited if it reproduces through spores ?
Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration ?
If a woman is using a copper $-T$. will it help in protecting her from sexually transmitted diseases?