Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Inventions
Question #6179
Back to Home
View All Inventions Questions
18 Views
Question
Who invented the smoke detector?
A. Walter Jaeger
B. Ernest Lawrence
C. Karl Landsteiner
D. Fritz Pregl
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Who invented the Spinning Jenny?
14
What did Katalin Karikó contribute to science?
19
Who discovered the cause of pellagra?
18
What did the National Commission for Women (NCW) recommend in its 'Recommendatory Report for Law Rev...
(Current Affairs)
7
What did the Union Cabinet approve with an annual outlay of `24,000 crore for six years?
(Current Affairs)
22