Inventions - Mock Test 1

Question 1

टेलीफोन का आविष्कार किसने किया था?

A) थॉमस एडिसन B) अल्बर्ट आइंस्टीन C) गुग्लिल्मो मार्कोनी D) अलेक्जेंडर ग्राहम बेल

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टेलीफोन का आविष्कार अलेक्जेंडर ग्राहम बेल (Alexander Graham Bell) ने किया था। उन्हें वर्ष 1876 में इसके लिए पहला व्यावहारिक पेटेंट प्रदान किया गया था।

Question 2

Google Doodle honoured Otto Wichterle on his 108th birthday on October 27, 2021. He is known for which among the following inventions

A) Light bulb B) Contact Lens C) Radio D) Internet

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Question 3

Thomas Clifford Allbutt is associated with the invention of

A) X Ray Machine B) Clinical Thermometer C) Stethoscope D) Microscope

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Question 4

Antonio Meucci is associated with the invention of

A) Telephone B) Automobile C) T.FD D) Industrial Robot

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Question 5

Who Invented the 3-D printer?

A) Nick Holonyak B) Elias Howe C) Chuck Hull D) Christiaan Huygens

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Question 6

Who Invented Induction Coil?

A) Edwin Howard Armstrong B) John Barber C) Edwin Beard Budding D) Nicholas Callan

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Question 7

Who invented first working laser?

A) H.A Taylor B) W.K Roentgen C) T.H Maiman D) Fred Morrission

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Question 8

Transistor was invented by?

A) Graham Bell B) Baird C) Marconi D) Shockley

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Question 9

Dendrology is associated with the study of?

A) Flowers B) Roots C) Worms D) Trees

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Question 10

The oral polio vaccine was discovered by?

A) Alexander Flemming B) Louis Pasteur C) Robert Koch D) Jonas Salk

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