MEDIUM
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
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Who is the father of blood transfusion?

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Important Questions on Scientists and Their Inventions

MEDIUM
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 16
Safety matches were invented by whom?
EASY
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 17
Radioactivity was discovered by:
MEDIUM
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 18
Radio valve was invented by whom?
MEDIUM
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 19
Who invented the X-ray machine?
EASY
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 20
Who discovered the penicillin?
EASY
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 21
Who invented the Dynamite?
EASY
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 22
Who invented Television?
MEDIUM
Rajasthan RSMSSB Gram Vikas Adhikari VDO
IMPORTANT
OBJECTIVE GENERAL KNOWLEDGE For All Competitive Examinations>Chapter 10 - Scientists and Their Inventions>Exercise 1>Q 23
Who invented the Lightning Conductor?