↵Barley endosperm test is a bioassay for
  • a ​auxin
  • b ethylene
  • c morphactin
  • d gibberellin

Dear student.

The answer is gibberellin.

This test determines the activity of the α-amylase enzyme to hydrolyse starch into simple reducing sugars. Gibberellin induces the release of α-amylase enzyme.

Regards.

 

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