Horticulture tropisms

In phototropism, which part of the plant grows toward the light source?

• Root

• Stem

• Leaf

• Flower

Fill in the blank: In geotropism, the root bends downward into the soil due to the inhibition of ______.

• Cell elongation

• Hormone production

• Photosynthesis

• Water absorption

What is geotropism?

• A plant's response to light

• A plant's response to gravity

• A plant's response to water

• A plant's response to temperature

In phototropism, what happens when the light source is directly above the shoot tip?

• Hormones are evenly distributed

• Hormones are concentrated

• Hormones are inhibited

• Hormones are destroyed

What effect does removing the shoot tip have on apical dominance?

• Increases hormone production

• Eliminates hormone production

• Decreases root growth

• Increases leaf growth

Fill in the blank: In geotropism, growth inhibitors are produced by the ______ tip.

• Root

• Stem

• Shoot

• Leaf

In geotropism, which direction does the root grow in response to gravity?

• Upwards

• Downwards

• Sideways

• No specific direction.

What is the effect of removing the apical bud on a plant?

• Inhibits growth

• Promotes lateral growth

• Stops root growth

• Causes wilting

Which hormone is primarily involved in phototropism?

• Auxin

• Cytokinin

• Gibberellin

• Ethylene

Fill in the blank: The _______ is the part of the plant that grows towards the light in phototropism.

• A) Root

• B) Stem

• C) Leaf

• D) Flower