phyB Mutant Plants MCQ – Phytochrome Function

Practice question

Question

A mutation in phyB generally results in plants that:

Options

Choose one · Correct answer highlighted

Cell division Leaf abscission Correct Photosynthesis Dormancy

Explanation

That points to B: Leaf abscission. Compared with the other options, Leaf abscission is the one that correctly describes the PHYTOCHROME concept. The wrong ones are A) Cell division; C) Photosynthesis; D) Dormancy. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.

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