Plant Responses
Plant Parts
Plant Functions
Plant Responses
100

What would happen if you put a plant in a dark room?

A. The plant's leaves would make more food.

B. The plant would lose some leaves or die.

C. The plant would grow more flowers.

D. The plant would grow bigger.

B. The plant would lose some leaves or die.

100

What plant structure is MOST important for moving water up to the flower of a plant?

A. Stem

B. Roots

C. Leaves

D. Flower

A. Stem

100

A student says that the stems of these plants have many different functions. What evidence BEST supports the idea that stems play a role in food production?

A. Stems produce water needed for photosynthesis.

B. Stems take in air that the plants need.

C. Stems support the leaves so they can capture sunlight.

D. Stems produce nutrients needed by the plants.

C. Stems support the leaves so they can capture sunlight.

100

Mrs. Bornemann is growing an upside-down tomato plant. What is the reason the roots are twisted and grow downward in the planter pot?

A. The roots in the planter are trying to get closer to the tomatoes to help them grow.

B. The plant needed more sunlight, so the roots became twisted in the planter.

C. The plant got more sunlight on one side, so the roots became twisted in the planter.

D. The roots in the planter are responding to Earth’s gravity and trying to grow downward even when they are above the tomatoes.

D. The roots in the planter are responding to Earth’s gravity and trying to grow downward even when they are above the tomatoes.

200

Imagine you cut the stem of a plant close to where the flower blooms. What is MOST likely the effect on the life of a plant?

A. The plant cannot absorb more water.

B. The plant cannot produce food.

C. The plant cannot support itself.

D. The plant cannot reproduce.

D. The plant cannot reproduce.

200

What part is the trunk of a tree?

A. The leaves

B. The stem

C. A seed

D. The flower

B. The stem

200

The purpose of leaves on a plant is to what?

A. Uses photosynthesis which means it collects sunlight and makes food.

B. Carries water and food throughout the plant.

C. Gather water and minerals from the soil.

D. Produces seeds and fruit.


A. Uses photosynthesis which means it collects sunlight and makes food.

200

All plants make their own food. Which of the following is needed for plants to make their own food?

A. Air

B. Water

C. Sunlight

D. All of the above

D. All of the above

300

Air plants grow above the ground.  They do not get support from the ground to grow, but they still grow almost straight up into the tops of the trees.  What are the air plants responding to in order to grow in the correct direction?

A. Rain coming from the sky

B. Air they use to make food

C. Light from the Sun

D. Heat from the tree

C. Light from the Sun

300

Which part of the plant is a carrot?

A. A stem

B. A flower

C. A root

D. A leaf

C. A root

300

The purpose of roots for a plant is to __________.

A. Uses photosynthesis which means it collects sunlight and makes food.

B. Carries water and food throughout the plant.

C. Gather water and minerals from the soil.

D. Produces seeds and fruit.

C. Gather water and minerals from the soil.

300

Bob was growing a plant in a dark corner in his bedroom. He has given the plant regular water. Which of the following suggestions would best provide a way to help Bob's plant become healthier?

A. New soil

B. Sunlight

C. Extra Water

D. A larger pot

B. Sunlight

400

Mrs. Urban is growing many many potato plants with her family. One day she checks the plants and finds that one of the plants fell over and doesn’t look like the others.  The roots are growing down and the stem and leaves are growing up. What is making the roots grow down?

A. There isn't enough room in the pot

B. Light

C. They grow whichever way they want

D. Gravity

D. Gravity

400

A KERNEL of corn can grow into a new plant. What is a KERNEL?

A. A leaf

B. A seed

C. Pollen

D. Soil

B. A seed

400

The purpose of flowers on a plant is to __________.

A. Uses photosynthesis which means it collects sunlight and makes food.

B. Carries water and food throughout the plant.

C. Gather water and minerals from the soil.

D. Produces seeds and fruit.

D. Produce seeds and fruit.

400

Plants use water, air, and energy from the Sun to make food. Which of the following living things makes its own food? 

A. Birds

B. Dogs

C. Trees

D. Cats

C. Trees

500

Students are growing a plant in their classroom to see how plants respond to stimuli. They place a plant on the windowsill and placed an x above on the top left window. What should they do in order to make the plant grow toward point X?

A. Put a source of heat on the same side of the pot as the X.

B. Tilt the pot so the stem points straight toward the X.

C. Put a lamp as a source of light near the X.

D. Cut off all the leaves on the opposite side of the from from the X.

C. Put a lamp as a source of light near the X.

500

Which part of a plant collects sunlight and makes food for the plant?

A. A seed

B. Roots

C. Leaves

D. Stem

C. Leaves


500

What is the purpose of fruit?

A. It protects the seed.

B. It helps carry the seed, so it can be planted in a new place.

C. Gathers minerals and nutrients from the soil.

D. Collect sunlight and make food for the plant.

Both A and B.

500

Why do you think some plants have big leaves?

A. to get as much sunlight as they can

B. to keep plants from blowing away

C. to make seeds

D. to keep animals from eating them

A. to get as much sunlight as they can