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The oral Polio vaccine was discovered by:

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Important Questions on Organisations, Personalities and Events

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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who discovered the nucleus for the first time in cell?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Which device is used to test whether an object is carrying charge or not? 
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who among the following invented Adding Machine?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who invented penicillin?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Where was paper invented?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who invented first working laser?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who discovered the double-helical structure of DNA?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who invented penicillin?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Punched card is also called as _____.
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries

In 1831, electricity became viable for use in technology when ______ created the electric dynamo.

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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
______ was the first person who discovered cells.
HARD
General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who presented that all the plants and animals are composed of cells and that the cell is the basic unit of life?
MEDIUM
General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
The oral polio vaccine was discovered by:
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who invented the process of photography on metal?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
______ was the first person who discovered cells.
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
In April 2019, scientists in _____ produced the world's first 3D printed heart using human tissue
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Scientists have created world's shortest laser pulse _____ with a duration of just 43 attoseconds.
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who among the following invented Electric Motor? 
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries
Who among the following scientist discovered the Law of Floatation?
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General Awareness>GK Panorama>Organisations, Personalities and Events>Inventions and Discoveries

The test for diagnosing HIV is:  

1. Pap Smear
2. ELISA
3. DND
4. Mantoux