Assertion (A): Karyotype is the division of nucleus during cell-division.

Reason (R): 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 (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): A daughter can resemble only her mother and not her father.

Reason (R): 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 (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.