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Q:

Who invented Radio?

A) Grahambell B) Galileo
C) Marconi D) Edison

Answer:   C) Marconi



Explanation:

Guglielmo Marconi, an Italian invetor invented Radio in 1890's.

Subject: Inventions
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Q:

Who discovered malaria causing germs?

A) Christiaan Bernard B) Charles Louis Alphonse Laveran
C) Dmitry Ivanovsky D) Martinus William Beijerinck
 
Answer & Explanation Answer: B) Charles Louis Alphonse Laveran

Explanation:
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Q:

Choose the word which is nearest in meaning to the given word ‘EGREGIOUS’

A) Common B) Social
C) Plain D) Atrocious
 
Answer & Explanation Answer: D) Atrocious

Explanation:

Egregious means outstandingly bad or shocking and Atrocious means cruel or wicked and both words are nearly equal in meaning.

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Q:

Who discovered the Cholera causing germ?

A) Filippo Pacini B) Robert Koch
C) M. Laveran D) Felix Hoffman
 
Answer & Explanation Answer: A) Filippo Pacini

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Q:

Venn diagram was invented by

A) Lucien Vidi B) John Venn
C) Theophilus Van Kannel D) Lewis Urry
 
Answer & Explanation Answer: B) John Venn

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Q:

Who invented first working laser?

A) A. H. Taylor B) W. K. Roentgen
C) T. H. Maiman D) Fred Morrission
 
Answer & Explanation Answer: C) T. H. Maiman

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Q:

Seismometer was invented by

A) Alexander Parkes B) Luigi Palmieri
C) Alexey Pajitnov D) Ransom Eli Olds
 
Answer & Explanation Answer: B) Luigi Palmieri

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Q:

Prime Minister Narendra Modi inaugurated India's longest rail-road bridge Bogibeel Bridge in which state?

A) Tripura B) Sikkim
C) Assam D) Arunachal Pradesh
 
Answer & Explanation Answer: C) Assam

Explanation:

* Prime Minister Narendra Modi on 25th Dec 2018 inaugurated the 4.94 km long Bogibeel Bridge in Assam.
* It is India’s longest rail-cum-road road bridge, on the river Bramhaputra.
* The bridge is constructed at an estimated cost of 5,800 crore rupees.
* It is situated 17 km downstream of Dibrugarh city in Assam.

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0 13
Q:

Barometer was invented by

A) Evangelista Torricelli B) Charles Xavier Thomas
C) Edward Teller D) Gustav Tauschek
 
Answer & Explanation Answer: A) Evangelista Torricelli

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