Question

Choose the incorrect statement among the following.

• A. More than $60$ elements, out of $105$ discovered are found in plants
• B. Plants take carbon, hydrogen and oxygen mainly from $CO _{2}$ and $H _{2} O$ present in air and soil
• C. The element, which is not directly involved in the metabolism of plant is referred to as an essential element
• D. The elements like gold, selenium and strontium although can be absorbed by the plant, but have no role in them

Answer 1

Answer: (C)

The statement in option (c) is incorrect and can be corrected as
Essential elements are those elements which are always directly involved in the metabolism of the plant.
Rest of the statements are correct.