General Science MCQs with answers Page - 204

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Q. Which of the following pairs is/are correctly matched?
Theory/Law : Associated Scientist
1. Continental Drift : Edwin Hubble
2. Expansion of Universe :Alfred Wegener
3. Photoelectric Effect :Albert Einstein
Select the correct answer using the code given below

  • (A) 2 and 3 only
  • (B) 3 only
  • (C) 2 only
  • (D) 1 only

A

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Q. Who among the following is known for the theory of Continental Drift?

  • (A) Edwin Hubble
  • (B) T. J. Seebeck
  • (C) Alfred Wegener
  • (D) J.C. Perrier

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Q. Nobel Prize winning scientist James D. Watson is known for his work in which area?

  • (A) Metallurgy
  • (B) Meteorology
  • (C) Environmental protection
  • (D) Genetics

A

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Q. Which of the following pairs is/are correctly matched?
1) Francis Collins: Mapping human genome
2) Sergey Brin : Google Search Engine
3) Jimmy Wales : Wikipedia
Select the correct answer using the code given below:

  • (A) 1 and 2 only
  • (B) 2 and 3 only
  • (C) 3 only
  • (D) 1, 2 and 3

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Q. Xerography was invented by

  • (A) Chester Floyd Carlson
  • (B) Wilhelm Conrad Roentgen
  • (C) Elisha Thompson
  • (D) Sir Edward Mellanby

A

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Q. Wilhelm Conrad Roentgen, who invented X ray, belonged to

  • (A) Sweden
  • (B) France
  • (C) Germany
  • (D) Denmark

A

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Q. Which of the following is not correctly matched?
Vitamins : Inventors

  • (A) Vitamin A : Elmer V. McCollum and M. Davis (USA)
  • (B) Vitamin B : Elmer V. McCollum (USA)
  • (C) Vitamin C : Albert Szent-Gyorgyi and Charles Glen King (USA)
  • (D) Vitamin K : Sir Edward Mellanby

A

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Q. Which one of the following pairs is/are correctly matched?
1. Cosmic Background Explorer (COBE): Satellite programme
2. Falcon : Under-sea cable system
3. Discovery : Space shuttle
4. Atlantis : Space station

  • (A) 1 only
  • (B) 2 and 3 only
  • (C) 4 only
  • (D) 1, 2, 3 and 4

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Q. Consider the following statements:
1. Caffeine, a constituent of tea and coffee is a diuretic.
2. Citric acid is used in soft drinks.
3. Ascorbic acid is essential for the formation of bones and teeth.
4. Citric acid is a good substitution for ascorbic acid in our nutrition.
Which of the statements given above are correct?

  • (A) 1 and 2, only
  • (B) 1, 2 and 3 only
  • (C) 3 and 4 only
  • (D) 1, 2, 3 and 4

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Q. Which of the following pairs is/are correctly matched?
Inventor Invention
1. Christopher Cockerell : Hovercraft
2. David Bushnell : Submarine
3. J.C. Perrier : Steamship
Select the correct answer using the code given below

  • (A) 1, 2 and 3
  • (B) 1 and 2
  • (C) 2 and 3
  • (D) 1 and 3

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