Question

Assertion(A) :Auxins, gibberellins, cytokinins, ethylene and ABA are called Phytohormones.
reason (r): These substances or hormones help to coordinate growth, development and
response to environment in plants​

Answer 1

Answer:

Assertion and Reason are true and Reason is the correct explanation of Assertion.

Explanation:

Auxins, gibberellins, cytokinins, ethylene and ABA are the important a hormones of plants that helps to show the reaction of plants in response to stimulus.