Cryptochromes belong to which class of proteins?
That points to B: Flavoproteins. Compared with the other options, Flavoproteins is the one that correctly describes the cryptochrome concept. The wrong ones are A) Glycoproteins; C) Lipoproteins; D) Metalloproteins. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.