General Science MCQs with answers Page - 203

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Q. Which of the following is true of a scientific theory?

  • (A) It is only accepted after the person who came up with it has died.
  • (B) It is a method or device that applies scientific knowledge for some specific purpose.
  • (C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.
  • (D) It must demonstrate the effect of one variable by testing control groups and experimental groups.

A

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Q. What is the major monosaccharide found in the body?

  • (A) Galactose
  • (B) Sucrose
  • (C) Fructose
  • (D) Glucose

A

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

  • (A) TRUE
  • (B) FALSE
  • (C) ---
  • (D) ---

A

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

  • (A) Gases
  • (B) Oxygen
  • (C) Blood
  • (D) Carbondioxide

A

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Q. Which of the following is biodegradable?

  • (A) Plastic
  • (B) Aluminum
  • (C) D.D.T.
  • (D) Paper

A

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Q. डाल्टन का सिद्धांत किस नियम पर आधारित था?

  • (A) Fixed ratio
  • (B) Chemical combination
  • (C) Conservation of momentum
  • (D) Mass conservation

A

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Q. Mechanical energy-kinetic energy=?

  • (A) Chemical energy
  • (B) Potential energy
  • (C) Electric energy
  • (D) Nuclear energy

A

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

  • (A) Powder type
  • (B) Liquid type
  • (C) Soda acid type
  • (D) Foam type

A

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

  • (A) Kerosene
  • (B) Diesel
  • (C) Gasoline
  • (D) Lubricating oil

A

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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

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