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. In terms of percent, whiskey has more alcohol than wine.

  • (A) TRUE
  • (B) FALSE
  • (C) ---
  • (D) ---
📝 Notes
✅ Correct Answer: (A) TRUE

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2022 09:23 pm in Science

Q. Which of the following is not transferred by alveoli?

  • (A) Gases
  • (B) Oxygen
  • (C) Blood
  • (D) Carbondioxide
📝 Notes
✅ Correct Answer: (C) Blood

Published by Akshay Kulkarni ⭐ 3.46K Points at 07-Jul-2022 11:58 am in Science

Q. Which of the following is biodegradable?

  • (A) Plastic
  • (B) Aluminum
  • (C) D.D.T.
  • (D) Paper
📝 Notes
✅ Correct Answer: (D) Paper

Published by Ram Sharma ⭐ 193.88K Points at 17-Jul-2022 10:47 am in Science

Q. डाल्टन का सिद्धांत किस नियम पर आधारित था?

  • (A) Fixed ratio
  • (B) Chemical combination
  • (C) Conservation of momentum
  • (D) Mass conservation
📝 Notes
✅ Correct Answer: (D) Mass conservation

Published by Admin ⭐ 38.37K Points at 31-Jul-2022 09:55 pm in Science

Q. Mechanical energy-kinetic energy=?

  • (A) Chemical energy
  • (B) Potential energy
  • (C) Electric energy
  • (D) Nuclear energy
📝 Notes
✅ Correct Answer: (B) Potential energy

Published by Admin ⭐ 38.37K Points at 31-Jul-2022 09:56 pm in Science

Q. Over 90% of the world's biomass is in

  • (A) tropical rain forest
  • (B) freshwater wetland
  • (C) topsoil
  • (D) oceans
📝 Notes
✅ Correct Answer: (D) oceans

Published by Mr. Dubey ⭐ 111.54K Points at 29-Sep-2022 07:23 am in Science

Q. A scientist from USA discovered 'BISIN', which

  • (A) is a natural preservative and can extend food's life for several years.
  • (B) can insulate cells of brain.
  • (C) claims for fastest prevention of bacterial infection.
  • (D) is a distance galaxy.
📝 Notes
✅ Correct Answer: (A) is a natural preservative and can extend food's life for several years.

Published by Mr. Dubey ⭐ 111.54K Points at 04-Oct-2022 07:31 am in Science

Q. Which type of fire extinguisher is used for petroleum fire?

  • (A) Powder type
  • (B) Liquid type
  • (C) Soda acid type
  • (D) Foam type
📝 Notes
✅ Correct Answer: (A) Powder type

Published by Vishal Gupta ⭐ 7.73K Points at 14-Dec-2022 08:27 pm in Science

Q. Which one of the following petroleum refinery products has the lowest boiling point?

  • (A) Kerosene
  • (B) Diesel
  • (C) Gasoline
  • (D) Lubricating oil
📝 Notes
✅ Correct Answer: (C) Gasoline

Published by Vishal Gupta ⭐ 7.73K Points at 14-Dec-2022 08:29 pm in Science

Q. Consider the following statements in respect of a jet engine and a rockets
1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space.
2. A rocket carries its own supply of oxygen in the gas form, and fuel.
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 08:32 pm in Science

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