Free Printable Plant structures and tropisms

Worksheets

Plant structures and tropisms

Total questions: 20

Worksheet time: 10mins

Name

Class

Date

Tony wanted to see if he could make the roots of a plant grow up instead of down. After several tries, he found that the roots always grew down. Nothing he or his teacher did made the roots grow up. What keeps the roots from growing up?

The roots need water.

Sunlight hits the plants.

Gravity pulls on the roots.

There is plant food in the soil.

What type of tropism response to light?

Gravitropism

Thigmotropism

Phototropism

Hydrotropism

What type of tropism response to water?

Hydrotropism

Gravitropism

Thigmotropism

Phototropism

A sunflower turns toward the sun, what type of tropism would this be?

Hypothyroidism

Phototropism

Thigmotropism

Gravitropism

What type of tropism response to touch?

Gravitropism

Phototropism

Thigmotropism

Hydrotropism

The venus fly trap will close if a fly touches two hairs on the leaves. Which of the following Tropism does this show?

Phototropism

Gravitropism

Thigmotropism

Hydrotropism

Small grains that contain a plant's male reproductive cells.

stamen

pollen

anther

stigma

The transfer of pollen, containing the sperm cells, to the female part of the flower.

seed disperal

pollination

germination

fertilization

Stomata are made of specialized cells called ______ which surround a tiny pore/opening

stoma

guard cells

dermal cells

diffusion channels

10.

The main function of stomata is to

capture sunlight

protect leaves from insects

allow gases to move rapidly in/out of leaves

release sugars into the atmosphere

11.

what is the function of xylem tissue?

transports water and minerals salt

control the opening and closing of stoma

carry out photosynthesis

provide support for young plant

12.

What type of vascular tissue is responsible for transporting the sugars made in photosynthesis from the leaves to the roots?

Cuticle

Phloem

Stomata

Xylem

13.

Transpiration is

the movement of water through a plant from the roots up the stem

the loss of water from the leaves of a plant by the process of evaporation

the flow of water into plant roots by osmosis from the soil

the process of minerals and sugars moving through plant veins

14.

What are angiosperms?

Flowering plants

Plants with cones

15.

Which of these parts of a flower are NOT considered the "male" parts?

anther

stamen

pistil

filament

16.

Which of these parts of a flower are NOT "female" parts?

pistil

stamen

stigma

style

17.

Which of these are examples of pollinators?

hummingbird

butterflies

cactus

rocks

bees

18.

How do pollinators contribute to reproduction?

They help plants to reproduce by transporting pollen from one plant to another.

They help plants to reproduce by getting rid of the pollen so it won't contaminate other plants.

They help plants to reproduce by joining the egg with the sperm cell.

19.

Which of these are methods for helping a seed to travel far distances from its parent plant?

the seeds sticking to animal fur

the seeds being stepped on by animals

the seeds being carried by wind

the seeds being eaten and pooped out by animals

the seeds jumping off the plant and rolling away from it

20.

Which is the male reproductive system in a flower?

Carpel

Receptacle

Stamen

Stem

Reset

Plant structures and tropisms

Total questions: 20

Worksheet time: 10mins

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