Quiz about Tropisms

Question 1

Movement toward a stimulus

Accepted Answer

positive tropism

Answer

hydrotropism

Answer

dormancy

Answer

stimulus

Question 2

A period of inactivity before germination

Accepted Answer

dormancy

Answer

stimulus

Answer

tropism

Answer

photosynthesis

Question 3

Movement away from a stimulus

Accepted Answer

negative tropism

Answer

geotropism

Answer

hydrotropism

Answer

stimulus

Question 4

A plant's response to any stimulus

Accepted Answer

tropism

Answer

dormancy

Answer

hibernation

Answer

pollination

Question 5

A plant's response to touch

Accepted Answer

thigmotropism

Answer

geotropism

Answer

hydrotropism

Answer

dormancy

Question 6

Water, light, ,earth, and touch are examples of

Accepted Answer

stimulus

Answer

dormancy

Answer

tropisms

Answer

hibernation

Question 7

The movement of roots toward the ground or the movement of stems away from the ground

Accepted Answer

geotropism

Answer

hydrotropism

Answer

thigmotropism

Answer

phototropism

Question 8

The movement of a plant's roots toward water in the soil

Accepted Answer

hydrotropism

Answer

thigmotropism

Answer

geotropism

Answer

phototropism

Question 9

The movements in a plant in response to light

Accepted Answer

phototropism

Answer

geotropism

Answer

hydrotropism

Answer

thigmotropism

Question 10

Why does a plant stem grow upward away from the soil?

Accepted Answer

negative geotropism

Answer

positive geotropism

Answer

positive thigmotropism

Answer

negative hydrotropism

Question 11

What causes plants to bend toward the sunlight?

Accepted Answer

positive phototropism

Answer

positive thigmotropism

Answer

positive thigmotropism

Answer

negative phototropism

Question 12

When a seed germinates, why do roots grow downward toward the ground?

Accepted Answer

positive geotropism

Answer

positive thigmotropism

Answer

negative hydrotropism

Answer

negative phototropism

Question 13

Which of the following is an example of a negative tropism?

Accepted Answer

a seed sprouts and the shoot from the seed grows away from the earth

Answer

a plant is leaning toward the window

Answer

vines are growing around a fence post

Answer

a seed sprout and the shoot from the seed grows toward the sunshine

Question 14

Vine grow straight along the ground until they find something to grow around like a mailbox. What made the vine stop growing straight and start wrapping around the mailbox?

Accepted Answer

positive thigmotropism

Answer

negative thigmotropism

Answer

negative geotropism

Answer

positive geotropism

Question 15

How do trees conserve energy during winter?

Accepted Answer

they become dormant

Answer

they change locations

Answer

they grow more

Answer

they add leaves

Question 16

Which letter on the diagram represents the external stimulus?

Accepted Answer

Z

Answer

W

Answer

X

Answer

Y

Question 17

Which most likely helps a plant conserve energy when winter conditions occur?

Accepted Answer

dormancy

Answer

geotropism

Answer

photosythesis

Answer

transpiration

Question 18

The diagram shows a plant growing near a window. How can the plant's reaction best be described?

Accepted Answer

as tropism

Answer

as condensation

Answer

as transpiration

Answer

as dormancy

Question 19

Which change would most likely cause a plant to enter dormancy?

Accepted Answer

decreasing temperature

Answer

increasing temperature

Answer

increasing the amount of ight

Answer

tipping the plant over onto its side

Question 20

The diagram shows a plant growing while lying on its side. How is the plant reacting positively and negatively to gravity?

Accepted Answer

the root are reacting positively by growing downward while the stem and leaves are reacting negatively by growing upward

Answer

the root are reacting negatively by growing downward while the stem and leaves are reacting positively by growing upward

Answer

only the roots are reacting by growing downward

Answer

only the leaves and stem are reacting by growing upward

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