Assertion. Karyotype is the division of nucleus during cell-division.

Reason. Karyon means nucleus and type explains the number, shape and size of the chromosome.

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. Dominant alleles can express themselves only in homozygous condition.

Reason. 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 daughter can resemble only her mother and not her father.

Reason. Sex chromosomes of the daughter (XX) are received from both the parents.

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. Roots absorb water and mineral nutrients from the soil.

Reason. 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.