Which organization in India provides awareness about $AIDS$ and information related to reproductive health?

Differentiate between the following:
$(a)$ Pollen tube and style.
$(b)$ Bud of Hydra and bud of Bryophyllum.

Which type of reproduction is fission,budding,and spore formation?

Mention the functions of $(a)$ placenta and $(b)$ fallopian tube in the human female reproductive system.

In human females, where does the fertilization of the ovum by the sperm take place?

The pistil is intact. Cross-pollination has occurred,leading to fertilization and the formation of fruit. In a bisexual flower,despite the young stamens being removed artificially,the flower produces fruit. Provide a suitable explanation for the above situation.