Assertion (A): Dominant alleles can express themselves only in homozygous condition.

Reason (R): Dominant alleles support recessive alleles and allow them to express, even in heterozygous condition.

1. Both A and R are True
2. Both A and R are False
3. A is True and R is False.
4. A is False and R is True.

Assertion (A): Genotype is the genetic make up of a cell.

Reason (R): Phenotype is the set of genes present in the cells of an organism that expresses internal characters.

1. Both A and R are True
2. Both A and R are False
3. A is True and R is False.
4. A is False and R is True.

Assertion (A): Roots absorb water and mineral nutrients from the soil.

Reason (R): Soil is the storehouse of all the essential minerals for photosynthesis that are absorbed by the plant through the roots of the plant by the process of diffusion.

1. Both A and R are True
2. Both A and R are False
3. A is True and R is False.
4. A is False and R is True.

Assertion (A): Diffusion is the process of free movement of liquid molecules only. It does not occur in gaseous state.

Reason (R): The main condition which regulates the process of diffusion is the concentration gradient and not the state of matter. It always occurs from higher to lower concentration.

1. Both A and R are True
2. Both A and R are False
3. A is True and R is False.
4. A is False and R is True.