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Q.11. The capacity of communication channel is measured in

  1. Band rate
  2. Band width
  3. Data flow
  4. Bit capacity
Answer: (b) Band width

General Science Quiz | Practice Test For SSC, DSSSB, UPSSC, UKSSC, Railway, And RRB Exams

45 Questions 53 Attempts 12.53K Seen
Attempt this Science test in CBT mode to check your basics of Science. We have included 45 multiple-choice questions (MCQs) to this test comprising all three streams of Science Physics, Chemistry, and Biology.
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Direction: (Q.1 - Q.15 Physics part)

Q.1. Galvanized iron is coated with a thin coating of-

  1. copper
  2. zinc
  3. aluminium
  4. white lead

Q.2. In the visible spectrum the colour having t he shortest wavelength is-

  1. Violet
  2. blue
  3. yellow
  4. Red

Q.3.  Which of the following is the most viscous medium?

  1. Coaltar
  2. Water
  3. Alcohol
  4. Air

Q.4. A pond of clear water appears less deep than it really is. This is due to-

  1. Reflection
  2. refraction
  3. The transparency of water
  4. Dispersion

Q.5. Conversion of heat into electrical energy can be achieved by using a -

  1. ammeter
  2. hydromere
  3. voltmeter
  4. thermocouple

Q.6. What is the SI unit of pressure ?

  1. Pascal
  2. Dyne
  3. Newton
  4. Jule

Q.7. What is the full form of RADAR ?

  1. Radio Detecting and Ranging
  2. Radio Detect and Rangs
  3. Radio Device and Ranging
  4. Region Device and Ranging

Q.8. Which of the following is the fastest communication channel ?

  1. Radio wave
  2. All are operating at nearly the same propagation speed
  3. Optical fiber
  4. Microwave

Q.9. Light from the sun reaches us in nearly

  1. 5 min
  2. 4.30 hrs
  3. 5.30 hrs
  4. 8 min

Q.10. Which Colour has the Longest Wavelength

  1. Violet
  2. Yellow
  3. White
  4. Red

Q.11. The capacity of communication channel is measured in

  1. Band rate
  2. Band width
  3. Data flow
  4. Bit capacity

Q.12. Which of the following has the highest frequency ?

  1. x-rays
  2. cosmic rays
  3. microwaves
  4. radio waves

Q.13. In a freezer ice cube will be formed more quickly in trays made of

  1. rubber
  2. plastic
  3. aluminium
  4. wood

Q.14. Atmospheric pressure exerted on earth due to

  1. gravitational pull
  2. rotation of earth
  3. revolution of earth
  4. uneven heating of earth

Q.15. Which of the following is vector quantity ?

  1. momentum
  2. pressure
  3. Energy
  4. work

Direction: (Q.16 - Q.30 Chemistry part)

Q.16. Neutrons were discovered by 

  1. James Chadwick
  2. Ernest Rutherford
  3. J. J. Thomson
  4. John Dalton

Q.17. Atomic mass of an element equal to the sum of number of 

  1. electrons and protons only
  2. protons and neutrons only
  3. electrons and neutrons only
  4. electrons, protons and neutrons

Q.18. Which one of the following is the largest composition in biogas ?

  1. Carbon dioxide
  2. Methane
  3. Hydrogen
  4. Hydrogen sulphide

Q.19. The number of maximum electron in N shell is -

  1. 2
  2. 8
  3. 18
  4. 32

Q.20. Vinegar is also known as -

  1. ethanoic acid
  2. nitric acid
  3. sulphuric acid
  4. tartaric acid

Q.21. Which of the following burns by producing a yellow, luminous flame ?

  1. coal
  2. LPG
  3. Wax
  4. charcoal

Q.22. The modern periodic table was prepared by -

  1. Dobereiner
  2. Newlands
  3. Bohr
  4. Mendeleev

Q.23. Plaster of Paris is made up of -

  1. Marble
  2. Cement
  3. Gypsum
  4. Limestone

Q.24. How much amount of urea will be required for supplying 1 kg of nitrogen ?

  1. 2.0 kg
  2. 2.2 kg
  3. 2.5 kg
  4. 2.7 kg

Q.25. Oxygen is absent in - 

  1. Kerosene
  2. Glass
  3. Soil
  4. Cement

Q.26. The pH value of water is

  1. 4
  2. 7
  3. 12
  4. 18

Q.27. Which of the following is also known as laughing gas ?

  1. Nitric oxide
  2. Nitrous oxide
  3. Nitrogen pentoxide
  4. Nitrogen

Q.28. Who is regarded as the father of modern chemistry ?

  1. Rutherford
  2. Einstein
  3. Lavoisier
  4. C. V. Raman

Q.29. The cooking gas LPG mainly consist of

  1. Ethene
  2. Propene
  3. Propane and Butane
  4. Ethyne

Q.30. What is the dominant chemical present in detergent powder ?

  1. Hydrochloric acid
  2. Sodium carbonate
  3. Calcium carbonate
  4. Sodium alkyl sulphate

Direction: (Q. 31 - Q. 45 Biology Part)

Q.31. which one of the following plant tissues has dead cells ?

  1. Epidermis
  2. Parenchyma
  3. Collenchyma
  4. Sclerenchyma

Q.32. Lights enters the eye through a thin membrane called 

  1. retina
  2. cornea
  3. pupil
  4. iris

Q.33. Which of the following is not a Reptile ?

  1. Green-turtle
  2. Crocodile
  3. Salamandra
  4. Garden Lizard

Q.34. which of the following statements is not a micronutrient in plants ?

  1. Iron
  2. Manganese
  3. Copper
  4. Magnesium

Q.35. Red colour of tomato is caused due to the presence of 

  1. Vitamin C
  2. Lycopene
  3. Chromoplasts
  4. Leucoplasts

Q.36. Which acid is produced in human stomach for digestion purpose ?

  1. Sulphuric Acid
  2. Hydrochloric Acid
  3. Acetic Acid
  4. Nitric Acid

Q.37. Chromosome number in any species 

  1. increase by age
  2. decrease by age
  3. is constant
  4. increase with the weight

Q.38. In human body percentage of which element is highest?

  1. Hydrogen
  2. Nitrogen
  3. Carbon
  4. Oxygen

Q.39. Mother's milk provides almost complete diet to the new born , but it lacks the following 

  1. Iron
  2. Calcium
  3. Magnesium
  4. Potassium

Q.40. Tulsi plant has medicinal values due to presence of the following 

  1. Inorganic acid
  2. Organic acid
  3. Phenols and Flavonoids
  4. None of the above

Q.41. The exposed skin of our body starts cracking in winter season due to

  1. rainy season,
  2. high humidity
  3. summer season
  4. low humidity

Q.42. AIDS is caused by 

  1. Helminth
  2. Bacteria
  3. Fungus
  4. Virus

Q.43. Which nutrient provides the maximum energy on breakdown?

  1. Fibres
  2. Proteins
  3. Fats
  4. Carbohydrates

Q.44. Which organ in the human body helps to maintain balance ?

  1. Heart
  2. Liver
  3. Ear
  4. Brain

Q.45. Hemoglobin is the protein inside red blood cells that carries 

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Ozone
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