Multiple choice

Pyrabactin (a pyridyl-containing ABA activator) is a naphthalene sulphonamide hypocotyl cell expansion inhibitor. Which of the following sentences are true with respect to pyrabactin?

  1. It is very sensitive to light.

  2. It is a naturally produced stress hormone.

  3. It is an antagonist of ABA.

  4. It is an agonist of the seed ABA signalling pathway.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is true. Pyrabactin is an agonist of the seed ABA signalling pathway.

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