Q. 1
General Knowledge
Difficulty: Easy
(1 Mark)
The size of the earth was first suggested by:
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Step-by-Step Explanation & Concept Rationale
Eratosthenes of Cyrene first calculated the circumference of the Earth using the angle of the sun in approx. 240 BCE.
Q. 2
General Knowledge
Difficulty: Easy
(1 Mark)
Where was the first photograph taken?
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Step-by-Step Explanation & Concept Rationale
Joseph Nicéphore Niépce took the earliest surviving photograph in France during the 1820s.
Q. 3
General Knowledge
Difficulty: Easy
(1 Mark)
Which of the following pairs of discovery and discoverer is not correct?
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Step-by-Step Explanation & Concept Rationale
Alexander Graham Bell invented the telephone; Samuel Morse invented the telegraph and Morse code.
Q. 4
General Knowledge
Difficulty: Easy
(1 Mark)
Which ancient civilization had the passion for writing big numbers?
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Step-by-Step Explanation & Concept Rationale
Ancient Indian mathematicians developed advanced notation systems for expressing very large numerical powers.
Q. 5
General Knowledge
Difficulty: Easy
(1 Mark)
The first Atom Bomb was dropped at:
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Step-by-Step Explanation & Concept Rationale
The first atomic bomb used in warfare was dropped on the Japanese city of Hiroshima on August 6, 1945.
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