Photosynthesis — Biology STD 10 — Question

Name the following:
Holes present on the surface of the stems and twigs for transpiration.

Name the hormone responsible for the following function:
Regulates the functioning of the male and female reproductive organs

Name the process by which the aerial parts of a green plant give out water as water vapour.

State the Function: Pulmonary vein

Explain the Term: Antiseptics

Give Technical Terms
The stage at meiosis at which there are two cells, each with sister chromatids aligned at the equator.

What was the approximate Indian population according to the 1981 census? What was it in 1991?

Name the Following :
The energy currency of the cell.

Name the Following :
The organs that were completely developed and functional in the ancestors but are in a reduced, nonfunctional form in the current species.

Explain the term :
Transpiration