Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Plant Physiology
Question #12290
Back to Home
View All Plant Physiology Questions
39 Views
Question
Who discovered oxygen in 1774?
A. Jan Ingenhousz
B. Robert Hooke
C. Anton van Leeuwenhoek
D. Joseph Priestley
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which pigment serves as the reaction center in Photosystem II?
26
What is the role of aerobic bacteria in Engelmann’s experiment?
27
Which enzyme is responsible for splitting water during the light reactions?
31