General Science | Practice Questions 01
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Q1. Moss and Marchantia comes under which of the following ? [SSC GD 2022] (a) Algae (b) Gymnosperms (c) Pteridophytes (d) Bryophytes
Q2. Identify a way to reduce the pollution caused due to burning of fossil fuels ? [SSC GD 2022] (a) By lowering the temperature of burning (b) By increasing the efficiency of the combustion process (c) By increasing the number of carbon molecules (d) By decreasing the latent heat
Q3. ‘Ringelmann Scale’ is used to measure the density of the following : (a) fog (b) noise (c) polluted water (d) smoke
Q4. ‘Ohm-meter’ is the unit of : (a) resistance (b) conductivity (c) resistivity (d) charge
Q5. Which one of the following is not a unit of heat ? (a) Calorie (b) Kilo calorie (c) Kilo joule (d) Watt
Q6. Which of the following is not a unit of heat ? (a) Centigrade (b) Calorie (c) Erg (d) Joule
Q7. One picogram is equal to : (a) 10−6 grams (b) 10−9 grams (c) 10−12 grams (d) 10−15 grams
Q8. Which of the following is a scalar quantity ? (a) Force (b) Pressure (c) Velocity (d) Acceleration
Q9. The smallest unit of length is : (a) Micron (b) Nanometer (c) Angstrom (d) Fermimeter
Q10. One “barrel” of oil is approximately how much of the following ? (a) 131 litres (b) 159 litres (c) 179 litres (d) 201 litres
Q11. One parsec, a unit of measuring stellar distances, is equal to : (a) 4.25 light years (b) 3.25 light years (c) 4.50 light years (d) 3.05 light years
Q12. Which unit of measurement when multiplied by 0.39 gives ‘inch’ ? (a) Millimetre (b) Centimetre (c) Metre (d) Decimetre
Q13. Megawatt is a unit of measurement of electricity which : (a) is produced. (b) is consumed. (c) is saved. (d) is lost in transmission.
Q14. Angstrom is the unit of : (a) wavelength (b) energy (c) frequency (d) velocity
Q15. The unit of power is : (a) Hertz (b) Volt (c) Watt (d) Neutron
Q16. The unit of electric power is : (a) Ampere (b) Volt (c) Coulomb (d) Watt
Q17. In L-R circuit, the time constant is given by : (a) LR (b) R/L (c) L/R (d) 1/LR
Q18. It is determined by the Lenz’s Law – (a) Magnetic Flux (b) Induced electromotive force (c) Direction of induced current (d) Magnetic field
Q19. X-Rays were discovered by – (a) Marie Currie (b) Edward Jenner (c) Robert Koch (d) Wilhelm Conrad Roentgen
Q20. Order of reaction depends on – (a) Temperature (b) Mechanism of the reaction as well as relative concentration of the reactants. (c) Molecularity (d) Pressure
Q21. The number of electron is 1 coulomb charge is – (a) 5.46 * 10 ^ 29 (b) 6.25 * 10 ^ 18 (c) 1.6 * 10 ^ – 19 (d) 90 * 10 ^ 11
Q22. Silicon (Si) is a semiconductor and when some aluminium is added to it its electrical conductivity – (a) Decreases (b) Becomes zero (c) Remains the same (d) Increases
Q23. The isotopes of an element have the same nucleus – (a) Neutron Number (b) Proton Number (c) Total sum of Neutron and Proton Number (d) Both Neutron and Proton Number
Q24. The capacity of a parallel plate capacitor depends on – (a) Nature of the metal (b) Distance between the plates (c) Thickness of the plates (d) Potential difference between the plates
Q25. The enthalpies of all elements in their standard states are – (a) Less than zero (b) Zero (c) Unity (d) Different for different elements
Q26. Which of the following is a protection component that limits the amount of current flowing through the circuit and establishes a certain amount of voltage ? (a) Fuse (b) Switch (c) Earthing wire (d) Voltmeter
Answer : 1 (d), 2 (b), 3 (d), 4 (c), 5 (d), 6 (a), 7 (c), 8 (b), 9 (d), 10 (b), 11 (b), 12 (b), 13 (a), 14 (a), 15 (c), 16 (d), 17 (c), 18 (c), 19 (d), 20 (b), 21 (b), 22 (a), 23 (b), 24 (b), 25 (b), 26 (a),
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Explanation :
General Science | Quiz
