Unit 1: Plants

Where do plants get energy from?

• themselves

• other plants

• the sun

What role do plants have in a food chain?

• producers

• primary consumers

• secondary consumers

• decomposers

What are the elements that plants need for photosynthesis?

• oxygen, water and minerals

• light, carbon dioxide and water

• carbon dioxide, water and biomass

• water, oxygen and carbon dioxide

The results of photosynthesis are:

• food and oxygen

• food and carbon dioxide

• food and biomass

Why are leaves green, but roots are not?

• Because roots never get light

• Because leaves contain chlorophyll

• Because roots need to camouflage with the soil

• Because leaves are similar to the rest of the plant

Which of the following ISN'T a function of the leaf veins?

• hold the leaf out flat

• carry water to the cells in the leaf

• support the leaf

• attach the leaf to the plant

Which inner part of a leaf does most of the photosynthesis?

• upper epidermis

• palisade layer

• spongy layer

• waxy layer

Which two parts of the leaf protect the cells inside?

• upper epidermis

• stomata

• waxy layer

• lower epidermis

Which part of the leaf lets carbon dioxide from the air get into the leaf?

• vein

• stoma

• spongy layer

• lower epidermis

Which of the following are functions of roots?

• Absorb water and minerals from the soil

• Transport water and minerals to all the parts of the plant

• Anchor the plant firmly in the ground

• Store food