Question

Which of the following is a criterion required for the essentially of an element in plants?

• A. The element must be directly involved in the metabolism of the plant
• B. The element must be absolutely essential for growth and reproduction.
• C. The requirement of the element is specific and cannot be replaced by another element.
• D. All of these

Answer 1

The correct option is D

All of these

The correct option is D.

Explanation of the Correct option:

1. The element here means all the minerals which are required for the physiological activity of the plant.
2. For an element to be essential there are the following conditions:

• The mineral should be specific and do not have any alternative for its function.
• The element must be very essential for life processes and the growth and reproduction of the plant.
• The element should be directly involved in the metabolism of the plant.

Final answer:

Criterion required for the element to be essential are:-

1. The element should be directly involved in the metabolism of the plant.
2. The element must be absolutely essential for growth and reproduction.
3. The requirement of the element is specific and cannot be replaced by another element.