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
26 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
This statesman, politician, scholar, inventor, and one of the early presidents of USA invented the s...
10
What did Thomas Jennings invent, becoming the first African American to receive a patent?
16
This African-American woman physical therapist worked with soldiers disabled in World War II. She in...
4
Who became the first Indian to win the Fred Darrington Sand Master Award?
(Current Affairs)
47
Which Latin American film featured in the 30th International Film Festival of Kerala is described as...
(Current Affairs)
12