Question

35. Allelopathy is due to secretion of
(1) pheromone
(2) toxin
(3) nectar
(4) vitamins​

Answer 1

Answer:

b is the answer of your questions

Answer 2

Answer:

I must be toxins becoz somethmes allelopathy is very harmfull so your answer is B) toxin

Explanation:

hope it will help u