Snapquiz - Tropism and Plant Hormones

This is the Snapquiz on Tropism and Plant Hormones. Click here or use the embedded video if you haven't watched the lesson yet.

Question 1. What effect do hormones have on the growth of shoots?

The cells increase in width.
The cells elongate.
The cells slow their growth.
The cells recede.

Question 2. Why do plants grow towards the light?

Hormones cause cell elongation on the shaded side of shoots.
Hormones cause shoots to bend.
Hormones cause leaves to pull the plant towards the light.
Hormones cause the side of the plant in the light to get shorter.

Question 3. In which side of a plant root do the hormones controlling growth collect?

The side away from the sun.
The side facing the sun.
The top side.
The bottom side.

Question 4. Which hormone controls both phototropism and gravitropism?


Question 5. Which of the following do plants not grow towards?


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