The type of plant hormone primarily responsible for inhibiting leaf abscission is/are ____

a. gibberellins
b. ethylene
c. jasmonates
d. abscisic acid
e. auxins


ANSWER: e

Biology & Microbiology

You might also like to view...

Bats use high ultrasonic sounds to perceive their environment via a process known as ____

a. sound reflection navigation b. extrasensory perception c. echolocation d. ultralocation e. auditory navigation

Biology & Microbiology

The size at which a population stabilizes in a particular place is defined as the __________ for that species.  

A.  growth potential B.  optimum C.  range D.  carrying capacity

Biology & Microbiology

If water were being pushed from below, air bubbles in the xylem stream would not pose a problem. However, the observation that air bubbles can interrupt xylem function provides important evidence supporting the _______ theory of water movement.

A. gravity-suction B. active transport C. pressure-flow D. osmotic E. cohesion-tension

Biology & Microbiology

In fungi, aseptate hyphae are coenocytic by definition

Indicate whether the statement is true or false

Biology & Microbiology