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2. | Which one of the following is NOT a criteria for an element to be called as essential? | |
A. | These elements need not to take part in growth and development | |
B. | The function of an element must not be replaceable | |
C. | The element should be involved in plant metabolism | |
D. | A plant cannot complete its life cycle without these elements | |
Answer: Option A | |
Explanation: | |
Essential elements have a specific physiological role in the growth and development of plants. |
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