Plant Gibberellins Quiz

What is the role of gibberellins in plant growth?

• Cause wilting and stunted growth

• Inhibit stem elongation and flowering

• Promote stem elongation, germination, and flowering

• Prevent germination and flowering

How do gibberellins affect stem elongation in plants?

• Gibberellins stimulate cell division and elongation in the stem tissues.

• Gibberellins have no effect on stem elongation in plants.

• Gibberellins inhibit cell division and elongation in the stem tissues.

• Gibberellins cause the stem tissues to shrink and become stunted.

What is the effect of gibberellins on seed germination?

• Inhibits seed germination

• Has no effect on seed germination

• Promotes seed germination

• Delays seed germination

How do gibberellins interact with other plant hormones?

• Through complex signaling pathways and crosstalk

• By completely inhibiting the effects of other plant hormones

• By neutralizing the effects of other plant hormones

• By directly competing with other plant hormones for receptor binding

Which hormone works together with gibberellins to promote fruit growth?

• Cytokinin

• Ethylene

• Abscisic acid

• Auxin

What is the primary function of gibberellins in plant development?

• Inhibit stem elongation and flowering

• Prevent germination and flowering

• Promote stem elongation, germination, and flowering

• Stimulate root growth and leaf development

How do gibberellins affect the growth of dwarf plants?

• Gibberellins promote stem elongation

• Gibberellins promote root growth

• Gibberellins inhibit stem elongation

• Gibberellins have no effect on stem elongation

What is the relationship between gibberellins and leaf expansion?

• Gibberellins have no effect on leaf expansion

• Gibberellins inhibit leaf expansion

• Gibberellins cause leaf wilting

• Gibberellins promote leaf expansion

How do gibberellins influence the flowering of plants?

• Gibberellins stimulate the growth of the stem and induce the production of flower buds.

• Gibberellins cause the leaves to turn yellow and fall off, leading to the death of the plant.

• Gibberellins inhibit the growth of the stem and prevent the production of flower buds.

• Gibberellins have no effect on the flowering of plants.

What is the effect of gibberellins on the growth of storage organs in plants?

• Promote growth

• Cause decay in storage organs

• No effect on growth

• Inhibit growth