Science and Invention

Science/Invention related MCQs for All examinations:
1. Who is known as "Prince of Experiment"?

 Archimedes     John Dalton
 Galili Galileo   Michael Faraday

The correct answer is Micheal Faraday. Prince of Experiment: Micheal Faraday, Father of Experimental Science: Archimedes, Father of Experimental Physics: Galili Galileo, John Dalton: Law of Partial Pressure

2. Who invents the X-ray Machine?

 J.L. Baird
 Wilhelm Conrad Rontgen
 Gutenberg
 Charles Stone

The correct answer is Wilhelm Conrad Rontgen. Wihlem Conrad Rontgen is the inventor of the X-ray Machine. Similarly, J.L. Baird: Television, Gutenberg: Printing Press, Charles Stone: Washing Machine

3. Which of the following is not the Book by Stephen Hawking?

 God Created Integers
 The Grand Design
 The Descent of Man
 A Brief History of Time

The correct answer is The Descent of Man. "The Descent of Man" is by Charles Darwin.

4. Chronology is the study of..............?

 Old age
 Time
 Climate
 Insects

The correct answer is Time. Study of Time: Chronology, Old age: Gerontology, Climate: Climatology, Insects: Entomology

5. What is the unit of Power of Lens?

 Watt
 Horsepower
 Diopter
 Newton

The correct answer is Diopter. Diopter is the unit of Power of lens, Horsepower and Watt: Unit of Power, Newton: Unit of Force

6. Which of the following is the theory by Albert Einstein?

 Theory of Gravitation
 Theory of Relativity
 Quantum Theory
 Heliocentric Theory

The correct answer is The Theory of Relativity. Theory of Gravitation: Issac Newton, Quantum Theory: Max Planck, Heliocentric Theory: Nicolaus Copernicus.

7. Which is the first artificial satellite?

 Sputnik 1
 Apollo 11
 Vostok 1
 Explorer 1

The correct answer is Sputnik 1 (1957 Oct 4). Apollo 11: Spaceflight by which Neil Armstrong and Alwin Aldrin (but not Micheal Collings) were landed on the surface of Moon on 1969 July 21, Vostok 1: First manned spaceflight (Yuri Gagarin, 1961 April 12), Explorer 1: The American First Spaceflight (1958 Jan 31).

8. Which of the following is an Artificial Polymer?

 Protein
 Starch
 Rubber
 Nylon

The correct answer is Nylon. Proteins, Starch and Rubber are natural polymers.

9. Which of the following is the strongest evidence of evolution?

 Evidence from Vestigial Organs
 Evidence from Comparative Morphology
 Embryonic Evidence
 Evidence from fossils

The correct answer is Evidence from fossils. the chronological study of evolution can be possible from the study of fossils.

10. Which Nitrogen Base is not present in DNA molecule?

 Adenine
 Uracil
 Guanine
 Cytosine

The correct answer is Uracil. Adenine, Guanine Thymine and Cytosine are the four Nitrogen Bases of DNA. Similarly, Uracil is present instead of Thymine in RNA.

Correct Answers with Explanation:

Question 1: The correct answer is Micheal Faraday. Prince of Experiment: Micheal Faraday, Father of Experimental Science: Archimedes, Father of Experimental Physics: Galili Galileo, John Dalton: Law of Partial Pressure
Question 2: The correct answer is Wilhelm Conrad Rontgen.
Wihlem Conrad Rontgen is the inventor of the X-ray Machine. Similarly, J.L. Baird: Television, Gutenberg: Printing Press, Charles Stone: Washing Machine
Question 3: The correct answer is The Descent of Man.
"The Descent of Man" is by Charles Darwin.

Question 4: The correct answer is Time.
Study of Time: Chronology, Old age: Gerontology, Climate: Climatology, Insects: Entomology

Question 5: The correct answer is Diopter.
Diopter is the unit of Power of lens, Horsepower and Watt: Unit of Power, Newton: Unit of Force

Question 6: The correct answer is The Theory of Relativity.
Theory of Gravitation: Issac Newton, Quantum Theory: Max Planck, Heliocentric Theory: Nicolaus Copernicus. 

Question 7: The correct answer is Sputnik 1 (1957 Oct 4).
Apollo 11: Spaceflight by which Neil Armstrong and Alwin Aldrin (but not Micheal Collings) were landed on the surface of Moon on 1969 July 21, Vostok 1: First manned spaceflight (Yuri Gagarin, 1961 April 12), Explorer 1: The American First Spaceflight (1958 Jan 31).

Question 8: The correct answer is Nylon.
Proteins, Starch and Rubber are natural polymers.

Question 9: The correct answer is Evidence from fossils.
the chronological study of evolution can be possible from the study of fossils.

Question 10: The correct answer is Uracil.
Adenine, Guanine Thymine and Cytosine are the four Nitrogen Bases of DNA. Similarly, Uracil is present instead of Thymine in RNA. 

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