Biology
Assertion. Palisade cells of mesophyll are loosely arranged towards the lower epidermis of a dorsiventral leaf.
Reason. Palisade cells contain the maximum amount of chlorophyll, trap solar energy and help in the process of photosynthesis.
- 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. Photosynthesis occurs in all parts of a green plant.
Reason. Chlorophyll is the green pigment which traps solar energy during daytime.
- 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. Guard cells regulate the opening and closing of the stomatal aperture.
Reason. Guard cells contain chloroplasts and are mostly located on the lower surface of the leaves. Other cells of the lower epidermis do not contain chloroplasts.
- 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. Phosphorylation occurs in all organisms only during the process of respiration.
Reason. Photophosphorylation is the process during which ADP combines with inorganic phosphate (iP) and produces ATP.
- 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. Plants do not have sense organs but they can still respond against different stimuli.
Reason. Plants have well-developed nervous and hormonal systems which enable them to respond against sunlight, gravity and water, etc.
- 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.