Praxis II: Science Questions and

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Praxis II: Science (7814) Questions and

Answers Latest Version with Complete Solutions

Which part of a plant is responsible for making food through photosynthesis?

• Root
• Stem

✔✔ C. Leaf

• Flower

Which gas do animals exhale that plants use during photosynthesis?

• Oxygen
• Nitrogen

✔✔ C. Carbon dioxide

• Hydrogen

What is the process by which water changes from a liquid to a gas?

• Condensation
• Freezing 1 / 4

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✔✔ C. Evaporation

• Precipitation

What type of energy is stored in food?

• Mechanical energy
• Electrical energy

✔✔ C. Chemical energy

• Thermal energy

Which organ in the human body pumps blood?

• Lung

✔✔ B. Heart

• Brain
• Stomach

Which layer of the Earth is liquid?

• Crust

✔✔ B. Outer core 2 / 4

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• Mantle
• Inner core

Which planet is known as the Red Planet?

• Venus

✔✔ B. Mars

• Jupiter
• Saturn

What is the term for animals that eat only plants?

• Carnivores
• Omnivores

✔✔ C. Herbivores

• Decomposers

What do we call the change in position of an object over time?

• Speed

✔✔ B. Motion 3 / 4

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• Force
• Energy

Which of the following is an example of a physical change?

• Burning paper

✔✔ B. Melting ice

• Rusting iron
• Cooking an egg

What tool is used to measure mass?

• Thermometer
• Stopwatch

✔✔ C. Balance scale

• Ruler

Which part of a microscope magnifies the specimen first?

• Objective lens

✔✔ B. Eyepiece

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