Q1. Assertion: Photosynthesis occurs in chloroplasts.
Reason: Chloroplasts contain chlorophyll which traps sunlight.

Q2. Assertion: Blood transports oxygen in the body.
Reason: Hemoglobin binds oxygen in red blood cells.

Q3. Assertion: Amoeba reproduces by binary fission.
Reason: Binary fission is asexual reproduction.

Q4. Assertion: Mitochondria are called powerhouse of the cell.
Reason: They release energy by respiration.

Q5. Assertion: Stomata help in transpiration.
Reason: They allow water vapor to exit leaves.

Q6. Assertion: Enzymes act as catalysts in biochemical reactions.
Reason: They lower the activation energy.

Q7. Assertion: Human heart has four chambers.
Reason: Separation of oxygenated and deoxygenated blood occurs.

Q8. Assertion: DNA is the genetic material.
Reason: It stores and transmits hereditary information.

Q9. Assertion: Vaccination prevents infectious diseases.
Reason: Vaccines stimulate antibody production.

Q10. Assertion: Respiration releases energy in cells.
Reason: Glucose is broken down into CO₂ and H₂O.