Science MCQ Questions with answers

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Here Important Science MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.

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Q. Consider the following statements:
1. The Richter scale is a logarithmic scale and so an increase of 1 magnitude unit represents a factor of 10 times in amplitude.
2. Each integer reading of the Richter scale has an energy 100 times that of the previous integer reading.
Which of the statements given above is/are correct?

  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
📝 Notes
✅ Correct Answer: (A) 1 only

Published by Vishal Gupta ⭐ 7.73K Points at 14-Dec-2022 08:43 pm in Science

Q. Which one of the following is associated With the formation of brown air in traffic congested cities?

  • (A) Sulphur dioxide
  • (B) Nitrogen oxide
  • (C) Carbon dioxide
  • (D) Carbon monoxide
📝 Notes
✅ Correct Answer: (B) Nitrogen oxide

Published by Vishal Gupta ⭐ 7.73K Points at 14-Dec-2022 08:43 pm in Science

Q. How much is one barrel of oil approximately equal to?

  • (A) 131 litres
  • (B) 159 litres
  • (C) 257 litres
  • (D) 321 litres
📝 Notes
✅ Correct Answer: (B) 159 litres

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:14 am in Science

Q. Consider the following pairs
Mineral : Composition
1. Amphibole : Calcium-magnesium - iron silicate
2. Mica : Magnesium - iron - aluminium silicate
3. Quartz : Silicon dioxide
Which of the above pair/pairs is/are correctly matched?

  • (A) 1 and 2 only
  • (B) 2 and 3 only
  • (C) 3 only
  • (D) 1, 2 and 3
📝 Notes
✅ Correct Answer: (D) 1, 2 and 3

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:14 am in Science

Q. Which one of the following is the first geostationary telecommunication satellite of India?

  • (A) INSAT-1A
  • (B) APPLE
  • (C) ROHINI
  • (D) ARYABHATIA
📝 Notes
✅ Correct Answer: (B) APPLE

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:16 am in Science

Q. Consider the following statements:
1. Kyoto Protocol came into force in the year 2005.
2. Kyoto Protocol deals primarily with the depletion of the Ozone layer.
3. Methane as a greenhouse gas is more harmful than carbon dioxide.
Which of the statements given above is/are correct?

  • (A) 1 and 2
  • (B) 1 and 3
  • (C) 1 only
  • (D) 3 only
📝 Notes
✅ Correct Answer: (B) 1 and 3

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:18 am in Science

Q. Who built the first “modern motor car'?

  • (A) Henry Ford
  • (B) Karl Benz
  • (C) Daimler
  • (D) Henry Austin
📝 Notes
✅ Correct Answer: (B) Karl Benz

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:19 am in Science

Q. Who developed the first 'automatic automobile'?

  • (A) Henry Ford
  • (B) Goatleab Daimler
  • (C) Rudolf Diesel
  • (D) Karl Benz
📝 Notes
✅ Correct Answer: (A) Henry Ford

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:20 am in Science

Q. he first 'thermionic value' was invented by

  • (A) Thomas Edison
  • (B) J A Flemming
  • (C) Richardson
  • (D) Lee De Forest
📝 Notes
✅ Correct Answer: (B) J A Flemming

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:22 am in Science

Q. 'Gunpowder' was invented by

  • (A) Roger Bacon
  • (B) Colt
  • (C) CV Raman
  • (D) Dr Gatting
📝 Notes
✅ Correct Answer: (B) Colt

Published by Jatin Dubey ⭐ 3.78K Points at 18-Dec-2022 11:22 am in Science

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