Assertion: Sulphur is the main constituent of several coenzymes, vitamins and ferredoxin.
Reason: Sulphur is present in two amino acids- valine and cysteine.

Options

A. If both assertio and reason are true and reason is the correct explanation of assertion
B. if both assertion and reason are true but reason is not the correct explanation of assertion
C. if assertion is true but reason is false
D. if both assertion and reason are false

Answer

C

Explanation

Sulphur is an important macroelement of plants. Plants obtain sulphur in the form of sulphate `(SO_(4)^(2-))`. Sulphur is present in two amino acids-cysteine and methionine and is the main constituents of several coenzymes, vitamins (thiaminie, biotin, coenzyme A) and ferredoxin.