INTEGRATED SCIENCE 2024/2025 Trial Test Questions (30) Objective Questions

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Select the correct options for each Questions below

1. What is the chemical symbol for the element oxygen?

a) O b) Ox c) Oxg d) Oz

2. What is the process by which plants make their own food using sunlight?

a) Respiration b) Photosynthesis c) Fermentation d) Digestion

3. What is the SI unit of electric current?

a) Volt b) Watt c) Ampere d) Joule

4. Which planet is known as the "Red Planet"?

a) Earth b) Venus c) Mars d) Jupiter

5. Which gas makes up the largest portion of the Earth's atmosphere?

a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogen

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

a) Melting b) Condensation c) Evaporation d) Sublimation

7. What is the smallest unit of an element that retains its chemical properties?

a) Atom b) Molecule c) Compound d) Electron

8. Which gas is produced when an acid reacts with a metal?

a) Oxygen b) Nitrogen c) Hydrogen d) Carbon dioxide

9. Which of the following is NOT a renewable source of energy?

a) Wind energy b) Solar energy c) Natural gas d) Biomass

10. What is the process of converting food into energy within cells?

a) Digestion b) Photosynthesis c) Respiration d) Fermentation

11. Which gas is responsible for the greenhouse effect?

a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogen

12. Which of the following is a vector quantity?

a) Speed b) Mass c) Distance d) Velocity

13. What is the chemical formula for table salt (sodium chloride)?

a) NaO b) Na2Cl c) HCl d) NaCl

14. Which of the following is a primary color in additive color mixing?

a) Red b) Green c) Blue d) Yellow

15. Which of the following is a renewable source of energy?

a) Natural gas b) Coal c) Solar energy d) Oil

16. Which of the following diseases is caused by a virus?

a) Tuberculosis b) Malaria c) Influenza d) Typhoid

17. What is the chemical symbol for gold?

a) Ag b) Ge c) Au d) Go

18. Which planet is known as the "Morning Star" or the "Evening Star"?

a) Mercury b) Venus c) Mars d) Jupiter

19. What is the pH value of a neutral substance?

a) 0 b) 7 c) 14 d) 10

20. What is the process by which plants release water vapor into the atmosphere?

a) Respiration b) Transpiration c) Evaporation d) Precipitation

21. Which of the following is NOT a greenhouse gas?

a) Methane b) Water vapor c) Oxygen d) Carbon dioxide

22. What is the process of blood cell formation called?

a) Ovulation b) Respiration c) Hemopoiesis d) Digestion

23. Which gas is essential for photosynthesis?

a) Oxygen b) Nitrogen c) Carbon dioxide d) Hydrogen

24. Which of the following is NOT a function of the liver?

a) Detoxification b) Digestion c) Storage of glycogen d) Production of bile

25. What is the unit of electric current?

a) Watt b) Ohm c) Ampere d) Volt

26. Which gas makes up the largest portion of the Earth's atmosphere?

a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogen

27. What is the chemical formula for water?

a) CO2 b) H2O2 c) H2O d) CO

28. Which of the following is the smallest bone in the human body?

a) Femur b) Tibia c) Stapes d) Humerus

29. Which of the following is a non-metallic element that is a liquid at room temperature?

a) Oxygen b) Hydrogen c) Mercury d) Nitrogen

30. Which gas do plants absorb from the atmosphere for photosynthesis?

a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogenption-label">