5th Grade Life Science Quiz

What is the primary source of energy for life on Earth?

• The Moon

• The Sun

• The Ocean

• The Wind

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Which of the following is a characteristic of all living things?

• They can fly

• They need water

• They are made of plastic

• They produce light

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What process do plants use to make their own food?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

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Which part of the plant is responsible for absorbing water and nutrients from the soil?

• Leaves

• Stem

• Roots

• Flowers

What is the role of decomposers in an ecosystem?

• They produce food for plants

• They break down dead organisms

• They provide shelter for animals

• They pollinate flowers

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Which of the following is an example of a mammal?

• Frog

• Eagle

• Dolphin

• Lizard

What is the function of the heart in the human body?

• To digest food

• To pump blood

• To filter waste

• To produce hormones

Which of the following is a non-renewable resource?

• Solar energy

• Wind energy

• Coal

• Water

What is the main gas that plants take in during photosynthesis?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

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Which of the following is a learned behavior?

• A bird building a nest

• A baby crying

• A dog sitting on command

• A fish swimming