Life Processes in Plants Class 7 Assertion and Reason Questions

Life Processes in Plants Class 7 Assertion and Reason Questions

Life Processes in Plants Class 7 Assertion and Reason Questions

Following questions are of Assertion (A), Reason (R) type questions. Choose the correct answer from the following options.

(a) Both A and R are true, and R is the correct explanation of A.

(b) Both A and R are true, but R is not the correct explanation of A.

(c) A is true, but R is false.

(d) A is false, but R is true.

1. (A): Photosynthesis occurs only in the presence of sunlight.

(R): Plants require sunlight to produce glucose and oxygen.

Answer:

(a) Both A and R are true, and R is the correct explanation of A.

2. (A): Stomata are essential for gas exchange in plants.

(R): Stomata allow water vapor to escape from the leaves.

Answer:

(a) Both A and R are true, and R is the correct explanation of A.

3. (A): Plants respire continuously, day and night.

(R): Respiration is the process of breaking down glucose to release energy.

Answer:

(a) Both A and R are true, and R is the correct explanation of A.

4. (A): The xylem is responsible for transporting food in plants.

(R): The phloem transports water and minerals from the roots to the leaves.

Answer:

(d) A is false, but R is true.

5. (A): Plants can survive without light for long periods.

(R): Plants can store energy in the form of starch.

Answer:

(c) A is true, but R is false.