Question

Assertion and reasoning questions-

Direction: In each of the following questions, a statement of Assertion

is given by the corresponding statement of Reason. Of the statements,

mark the correct answer as

a) If both Assertion and Reason are true and Reason is the correct

explanation of Assertion

b) If both Assertion and Reason are true and Reason is not the

correct explanation of Assertion

c) If Assertion is true, but Reason is false

d) If Assertion is false, but Reason is true

1. ASSERTION – Photosynthesis is the most important biological process

due to which life sustains on the earth.

REASON – Solar energy helps in splitting up of water molecules into

hydrogen and oxygen.

2. ASSERTION- Nitrogen is an important element which is present in the

atmosphere and is required by plants.

REASON – Nitrogen is required by plants for synthesis of proteins and

other compounds.​

Answer 1

Answer:

Its main function is the exchange of gases by opening and closing the pores in the leaves. - It helps in removing water from the leaves. - It takes carbon dioxide and gives out oxygen during the process of photosynthesis. ... Stomata facilitates gaseous exchange