Photosynthesis Practice

Photosynthesis

How plants make food

Multiple Choice

What is the source of energy for plants to make food?

• other plants

• the sun

• the moon

• animals

Multiple Select

What do plants need to make food?

• water & oxygen

• water & carbon dioxide

• oxygen & dirt

• carbon dioxide & oxygen

REACTANTS of PHOTOSYNTHESIS

Plants need WATER and CARBON DIOXIDE to make food.

Multiple Choice

How do plants get the water they need to make food?

• roots bring water in from the soil

• the leaves bring water in from the air

• the flowers collect water

• seeds spread out to find water

Multiple Choice

What is the food that plants make called?

• glucose

• oxygen

• leaves

• carbon dioxide

Multiple Choice

Glucose is a kind of --

• meat

• air

• sugar

• leaf

Multiple Choice

Which shows the REACTANTS for photosynthesis?

• oxygen & carbon dioxide

• dirt & oxygen

• water & carbon dioxide

• carbon dioxide & leaves

Multiple Choice

How many molecules of oxygen are produced when a molecule of glucose is created?

• 1

• 100

• 6

• none

Multiple Choice

How many molecules of water does a plant need to make one molecule of glucose?

• 1,000

• 6

• 10

• 5

PRODUCTS of PHOTOSYNTHESIS

Plants PRODUCE glucose (sugar) and oxygen

Multiple Choice

Which gas do plants release during photosynthesis?

• oxygen

• carbon

• helium

• carbon dioxide

Multiple Choice

What are the PRODUCTS of photosynthesis?

• oxygen & glucose

• carbon dioxide & oxygen

• glucose & carbon dioxide

• glucose only

Multiple Choice

How are plants beneficial to animals?

• they eat harmful animals

• they provide oxygen & food for animals

• they provide carbon dioxide for animals

• they produce glucose for animals to eat

Multiple Choice

What is the chemical in plants' leaves that performs photosynthesis and causes plants to be a green color?

• stomata

• chlorophyll

• carbon dioxide

• glucose

Multiple Choice

Why would the mouse in jar A have trouble breathing?

• it doesn't have oxygen

• it doesn't have carbon dioxide

• it doesn't have water

• it doesn't have sunlight