Difine the term 'subculture'.

Difine the cell.

Difine metamerism?

Difine ther terms Work function with reference to photoelectric effectd.

What is the significance of the terms-'isolated gaseous atom' and 'ground state' while difining the ionisation enthalpy and electron gain enthalpy? Hint: Requirements for comparison puroses.

Sandhya is working in a tissue culture lab. Witle doing tissue culture she forgot to prepare subcultures. a. What will happen to the culture? b. Justify your answer.

Difine Physics .