Inventions - Mock Test 2

Question 11

Gun powder was invented by?

A) Alfred Nobel B) Alfred Einstein C) Roger Bacon D) Alexander Flemming

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Question 12

Which of the following theories was not proposed by Charles Darwin?

A) Survival of the fittest B) Inheritance of acquired characters C) Natural selection D) Struggle for existence

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Question 13

The first operational compound microscope was developed by?

A) Robert Brown B) Robert Hooke C) Janseen D) M.Schultze

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Question 14

Who developed the telegraphic code?

A) Jean Fourier B) Joseph Henry C) Andre Ampere D) Samuel Morse

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Question 15

The petrol engine was invented by?

A) Nikolaus Otto B) James Watt C) Rudolph Diesel D) None of these

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Question 16

The scientific study of ageing is known as?

A) Teratology B) Osteology C) Gerantology D) Etiology

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Question 17

Who invented X ray?

A) Einstein B) Roentgen C) Rutherford D) Baird

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Question 18

The law of definite proportions is associated with the name of?

A) Dalton B) Lavoisier C) Proust D) Gay Lussac

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Question 19

Cholera bacillus was discovered by?

A) Ronald Ross B) Robert Koch C) Joseph Lister D) Louis Pasteur

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Question 20

Who invented the Lift?

A) Michael Faraday B) J.L.Baird C) Thomas Alva Editon D) E.G.Otis

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