Problem:
Question 1: What are PINs?
a. Plasma membrane transport inhibitors
b. Auxin efflux transporters for active transport across plasma membranes
c. Growth regulators
d. Hormones
e. Membrane transport proteins for embryogenesis
Question 2: What is IAA?
a. Cytokinen
b. Gibberellic acid
c. Florigen
d. Auxin
e. Abscissic acid
Question 3: Which hormone can trigger cell wall expansion?
a. Cytokinen
b. Gibberellic acid
c. Florigen
d. Auxin
e. Abscissic acid
Please select correct answer and also provide explaination.