Which one of the following is not an essential micronutrient for plants?
- ABoron
- BZinc
- CSodiumCorrect
- DCopper
Explanation

Related questions
More UPSC Prelims practice from the same subject and topic.
- Prelims 1996GS1science-and-technology
Which one of the following is a modified stem?
- Prelims 1996GS1science-and-technology
Fat present below the skin surface in our body, acts as a barrier against
- Prelims 1996GS1science-and-technology
Which of the following professional (s) are more likely to run the risk of a permanent change in their cell’s DNA? I. Researchers using carbon-14 isotope II. X-ray technician III. Coal miner IV. Dyer …
- Prelims 1996GS1science-and-technology
Of the four landmarks in medical history given below, which one was the first to take place?
- Prelims 1996GS1science-and-technology
Living organisms require at least 27 elements of which 15 are metals. Among these, those required in major quantities include
- Prelims 1996GS1science-and-technology
Match List I with List II and select the correct answer by using codes given below the lists: List I I. Vitamin A) Pepsin II. Enzyme B) Carotene III. Hormone C) Keratin IV. Protein D) Progesterone Cod…