Multiple choice

Biotin, thiamine and co-enzyme A are

  1. constituents of middle lamella

  2. vitamins whose deficiency causes premature leaf fall in plants

  3. sulphur-containing vitamins

  4. vitamins whose deficiency inhibits protein synthesis

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biotin, thiamine and co-enzyme A are sulphur-containing vitamins.