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
10 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
What is a necessary condition for patenting an invention in most countries?
4
What invention caused many deaths while testing it?
5
Which of the following is NOT a humanistic invention?
8
Which minister announced free electricity units for registered Kanwar camps during the Aam Mahotsav ...
(Current Affairs)
4
How many cartel figures were expelled by Mexico to the United States in a recent operation?
(Current Affairs)
5