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Tropism

Total questions: 15

Worksheet time: 6mins

Name
Class
Date
1.

What is tropism?

a)

A plant's response to a stimulus

b)

A plant reproducing

c)

An animal's response to a stimulus

d)

A prokaryote's response to a stimulus

2.

Which of these is an example of a stimulus?

a)

Fire

b)

A plant moving towards water

c)

A virus duplicating

3.

Which of these are types of tropism? Select all that apply:

a)

Hydrotropism

b)

Synthetropism

c)

Electrotropism

d)

Gravitropism

4.

True or False: a stimulus is anything that causes a plant to die

a)

True

b)

False

5.

What is gravitropism/geotropism?

a)

The movement of a plant in response to gravity

b)

The movement of a plant in response to earthquakes

c)

The movement of bacteria in response to changes in temperature

d)

The movement of plants towards water

6.

True or False: Gravitropism can be either negative or positive

a)

True

b)

False

7.

What is hydrotropism?

a)

The movement of plants towards water

b)

The movement of plants away from water

c)

The rate of growth of a plant in response to temperature changes in water

d)

A plant's response to gravity and touch

8.

Is hydrotropism negative or positive?

a)

Positive

b)

Negative

c)

Neither

d)

Both

9.

What makes a tropism positive or negative?

a)

Positive = movement towards stimulus, Negative = movement away from stimulus

b)

Negative = movement towards stimulus, Positive = movement away from stimulus

c)

Who cares? It doesn't matter whether it is positive or negative

d)

Positive = when a plant is happy, Negative = when a plant is sad

10.

What is thigmotropism?

a)

The movement of plants in response to touch

b)

The movement of plants toward the sun

c)

A prokaryote's movement inside the bloodstream

d)

The movement of plants in response to gravity

11.

Which of these are not tropisms? Select all that apply:

a)

Gravitropism

b)

Chemotropism

c)

Phototropism

d)

Tempertropism

12.

What is phototropism?

a)

The movement of plants towards light

b)

The movement of plants away from light

c)

The movement of plants in response to infrared light

d)

The movement of plants towards water

13.

Is phototropism positive or negative?

a)

Positive

b)

Negative

c)

Neither

d)

Both

14.

True or False: A stimulus can be anything that causes a reaction

a)

True

b)

False

15.

True or False: Hydrotropism is the same as Thigmotropism

a)

True

b)

False