Question

Read the given statements about auxins and state whether they are true or false:
a. Auxin promotes apical dominance.
b. Auxins have a negative impact on cytokinin levels.
c. F.W. Went isolated auxins from the coleoptiles of the oat plant.
d. Auxin promotes flowering in the pineapple plants.

• A. a- false, b-false, c-true, d-false
• B. a- true, b-false, c-true, d-true
• C. a- true, b-false, c-true, d-false
• D. a- false, b-true, c-true, d-true

Answer 1

Answer: (B)

F.W. Went isolated the auxins from the Avena coleoptiles. Auxins promote apical dominance by inhibiting the growth of lateral buds. Auxins promote flowering in plants like pineapple as it is a growth-promoting hormone-like cytokinin. Auxins do not affect the cytokinin level negatively as they are not antagonistic in function.