Tropism Multiple Choice Test

When a plant grows in response to a stimulus, it is referred to as _______________.

If a plant grows toward a light source, then it is said to be displaying ____________?

What would happen if a light source was placed below a plant?

An example of _________________ is when a plant starts to coil around another type of plant.

What part of the plant responds positively to gravity?

Something that causes a positive or negative response in an organism is called ____________.

What part of the plant displays positive phototropism?

Which of the following does not cause a response in plants?

Geotropism is the same as __________.

What force causes roots to grow downward?

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