Quiz

Which of these is NOT a sense organ?

• A. Eyes
• B. Ears
• C. Heart
• D. Nose

What is the primary function of the lungs?

• A. Pump blood throughout the body
• B. Digest food
• C. Filter waste from blood
• D. Help in breathing and exchange of gases

Which gas do plants absorb from the air?

• A. Oxygen
• B. Nitrogen
• C. Carbon dioxide
• D. Hydrogen

Which part of the plant absorbs water and nutrients from the soil?

• A. Leaves
• B. Flowers
• C. Roots
• D. Stem

What is the main function of the heart?

• A. Pump oxygen into the blood
• B. Help in digestion
• C. Store food nutrients
• D. Control body temperature

Which of these is a non-living thing?

• A. Dog
• B. Tree
• C. River
• D. Bird

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

• A. Help in breathing
• B. Provide support and protection to organs
• C. Digest food
• D. Produce blood cells

Which of these is a source of renewable energy?

• A. Coal
• B. Solar power
• C. Natural gas
• D. Petroleum

What is the process called when plants make their own food using sunlight?

• A. Respiration
• B. Photosynthesis
• C. Transpiration
• D. Germination

What is the largest organ in the human body?

• A. Brain
• B. Liver
• C. Skin
• D. Heart