Plant Responses

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Plant Responses

R. Gallagher

The phototropism process is not asked specifically in these question. You do need to know this.

Thigmotropism

1 point

Plants response to touch

Growth response to touch

Clear selection

Auxin is produced/secreted in the root tips and shoot tips. What zone are these in?

1 point

Zone of elongation

Meristematic zone

Zone of differentiation

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What do plants produce in response to high temperatures?

1 point

Heat shock proteins

Stress proteins

Clear selection

What animal type do thorns protect plants from?

1 point

Auxin can inhibit cell division (growth) in shaded side branches

1 point

True

False

Clear selection

Define auxin

1 point

Growth regulator

Photosynthetic plant

Diffusion of gases through the stomata

Asexual reproduction

Clear selection

Rooting powders, weed killer, seedless fruit and micro-propagation are all examples of?

1 point

Growth promoters

Growth inhibitiors

Growth regulators

Clear selection

Name a growth inhibitor

1 point

Which of the following isn't entirely a positive tropism

1 point

Phototropism

Thigmotropism

Geotropism

Hydrotropism

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