Q1. What is Dry Ice?
(A) Solid Oxygen
(B) Solid Carbon Dioxide
(C) Solid Hydrogen
(D) Solid Nitrogen
S1. Ans.(B) Solid Carbon Dioxide
Q2. What are the primary colors?
(A) White, Black, Blue
(B) Red, Yellow, Blue
(C) Red, Orange, Blue,
(D) Red, Green, Blue
S2. Ans.(D) Red, Green, Blue
Q3. Carrot is a good source of Vitamin?
(A) A
(B) B complex
(C) C
(D) D
S3. Ans.(A) A
Q4. Deficiency of ______ causes loss of appetite and poor growth.
(A) Zinc
(B) Lodine
(C) Copper
(D) Iron
S4. Ans.(A) Zinc
Q5. Meteorology is the study of?
(A) Seasons
(B) Atmosphere
(C) Air and sounds
(D) Winds and clouds
S5. Ans.(B) Atmosphere
Q6. Percentage of Carbon Dioxide in the Atmosphere is?
(A) 0.039%
(B) 3.9%
(C) 13%
(D) 30%
S6. Ans.(A) 0.039%
Q7. The gas, commonly known as “laughing gas” is.
(A) Carbon Dioxide
(B) Sulfur Dioxide
(C) Nitrous Oxide
(D) Sodium Oxide
S7. Ans.(C) Nitrous Oxide
Q8. The source of oxygen in photosynthesis is
(A) Water
(B) Salts
(C) Minerals
(D) Glucose
S8. Ans. (A) Water
Q9. The instrument used to measure wind speed is.
(A) Anemometer
(B) Barometer
(C) Hydrometer
(D) Hygrometer
S9. Ans.(A) Anemometer
Q10. The natural fats and oils are composed of.
(A) Carbon, Hydrogen, and Oxygen
(B) Carbon, Hydrogen, and Nitrogen
(C) Carbon, Oxygen, and Nitrogen
(D) Hydrogen, Oxygen, and Nitrogen
S10. Ans.(A) Carbon, Hydrogen, and Oxygen
Q11. The energy value of food is measured in.
(A) Joule
(B) Calories
(C) Tesla
(D) Proteins
S11. Ans.(B) Calories
Q12. Wind energy is the _____ energy.
(A) Potential
(B) Transverse
(C) Kinetic
(D) Mechanical
S12. Ans.(C) Kinetic
Q13. Water covers ___ of the Earth’s surface.
(A)80%
(B) 65%
(C) 70%
(D) 75%
S13. Ans.(C) 70%
Q14. The device used to convert Alternating Current into Direct Current is Called.
(A)Anemometer
(B) Battery
(C) Galvanometer
(D) Rectifier
S14. Ans.(D) Rectifier
Q15. The guitar has ____ strings.
(A)3
(B)4
(C) 6
(D) 7
S15. Ans.(C) 6
Q16. The Device used to measure the movement of the heart is.
(A) Cardiograph
(B) Seismograph
(C) Hydrometer
(D) Hygrometer
S16. Ans.(A) Cardiograph
Q17. A person seated in front of a fire receives heat.
(A) Conduction
(B) Convection
(C) Radiation
(D) None of these
S17. Ans.(C) Radiation
Q18. The battery was invented by.
(A) Volta
(B) Hero
(C) Fermi
(D) Maiman
S18. Ans.(A) Volta
Q19. The nearest planet to the Sun is.
(A) Mercury
(B) Venus
(C) Mars
(D) Jupiter
S19. Ans.(A) Mercury
Q20. The entropy of the universe is.
(A) Increasing
(B) Decreasing
(C) Constant
(D) None of these
S20. Ans.(A) Increasing
Q21. Salty water can be made pure by the method of.
(A) Filtration
(B) Evaporation
(C) Chromatography
(D) Distillation
S21. Ans. (D) Distillation
Q22. A battery converts ____ into electrical energy.
(A) Potential energy
(B) Chemical energy
(C) Nuclear energy
(D) Mechanical energy
S22. Ans.(B) Chemical energy
Q23. Current is the flow of
(A) Electron
(B) Proton
(C) Neutrons
(D) Voltage
S23. Ans.(A) Electron
Q24. The unit of current is
(A) Volta
(B) Ampere
(C) ohm
(D) Watt
S24. Ans.(B) Ampere
Q25. Electrons were discovered by.
(A) James Chadwick
(B) J.J.Thomson
(C) F.w. Aston
(D) Rutherford
S25. Ans.(B) J.J.Thomson
Q26. The metal which is liquid at room temperature is?
(A) Zinc
(B) Nickol
(C) Lead
(D) Mercury
S26. Ans.(D) Mercury
Q27. Between the melting point and boiling point of a substance, the substance is a?
(A) Solid
(B) Liquid
(C) Gas
(D) Crystal
S27. Ans.(B) Liquid
Q28. The boiling point of alcohol is.
(A) 78°C
(B) 86°C
(C) 94°C
(D) 100°C
S28. Ans.(A) 78°C
Q29. The Earth’s atmosphere is divided into ____ main layers.
(A)7
(B) 5
(C)8
(D)9
S29. Ans.(B) 5
Q30. The Techtonic Plates of the Earth lie in.
(A) Inner Core
(B) Outer Core
(C) Lithosphere
(D) Asthenosphere
S30. Ans.(C) Lithosphere
