Topic 4 Test Review

Which of these is NOT something a plant needs to survive?

• Water

• Light energy

• Carbon Dioxide

• Oxygen

One function (or job) of a plant's leaf is to...

• Take in sunlight.
• Give the plant shade.
• Convert water to carbon dioxide.
• Be green.

Plants use sunlight to convert carbon dioxide and water into sugar in a process called_________.

• Phototsynthesis
• Oxygen
• Science
• Trudged

The part of the plant that holds the plant in place and absorbs water and minerals from the soil.

• stem
• roots
• leaves

This part of the plant acts like an "elevator" carrying nutrients to the plant.

• roots
• stem
• leaves
• flower

The function of a ___ is to absorb water, store food, and keep a plant stable. 

• flower
• leaf
• stem
• root

Which of these has a taproot?

• tomato plant

• carrots

• strawberry plant

• cucumbers plant

Which of these do plants NOT use to produce food?

• light energy

• oxygen

• carbon dioxide

• water

In which direction do roots grow?

• down; because of gravity

• up because of the sunlight

• left & right

What is the gas in the air that plants use for photosynthesis?

• H2O

• O2

• oxygen

• carbon dioxide