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. Gravitropism is growth towards what?

A light source.
Down.
A heat source.
Up.


Question 2. Which of the following do plants not grow towards?

Gravity.
Water.
Light.
Sound.


Question 3. Which hormone controls both phototropism and gravitropism?

Ethylene.
Auxin.
Adrenaline.
Oestrogen.


Question 4. What effect do hormones have on the growth of roots?

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


Question 5. Phototropism is growth towards what?

Down.
A water source.
A light source.
Up.


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