Question

"Avena" coleoptile curvature test is used for bioassay of a hormone
'X'!"
'X' can be artificially used to
a. Induce parthenocarpy in tomatoes.
b. Promote shooting in callus.
c. Remove dicot weeds from crop fields.
a only
b only
b and c
a and c​

Answer 1

a and c

Explanation:

here X refers to auxin

auxins promote the rooting in callus where as cytokinin promote shooting in callus