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#photobiology practice questions

2 public questions tagged with this topic.

The primary chromophore regulating cryptochrome activity is:

That points to B: FAD. Compared with the other options, FAD is the one that correctly describes the cryptochrome concept. The wrong ones are A) FMN; C) Riboflavin; D) MTHF. 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.

Upon UV-B exposure, UVR8:

Correct option is C, Dissociates into monomers. In PSS-Sec-E-Sensory biology problems like this, the accurate statement is Dissociates into monomers; the others are common mix-ups. Not these: A) Forms dimers; B) Is degraded; D) Moves to chloroplast. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.