Cell Division — Biology STD 10 — Question

The physical expression of genes is called _________.

The pressure by which the ________ Molecules tend to cross the semi-permeable membrane is called osmotic pressure.

The chamber of heart which pumps blood into aorta is __________.

Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus: Receptor:: Impulse: …………….

Evolution is an ever __________ ending process.

DNA acts as director of ______ synthesis.

The principle of inheritance of acquired characters was seriously criticised by ____________ in ____________

A disease caused in children due to under secretion of thyroxine is ____________ .

Complete the following sentence with appropriate word:

The human liver converts ammonia into ______

The umbilical cord connects _______