Biology
Assertion. Diffusion is the process of free movement of liquid molecules only. It does not occur in gaseous state.
Reason. 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.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Related Questions
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.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- 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.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Translocation of prepared food material in plants always occurs through the phloem tissue in an upward direction.
Reason. Phloem is a kind of a complex permanent tissue in plants which surrounds the xylem tissue. It is present all throughout the plant-root, stem or leaves.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Active transport does not occur through a non-living semi-permeable membrane.
Reason. Active transport is in a direction opposite to that of diffusion, i.e., from a region of lower concentration to higher concentration.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.