(A) Oxygen
(B) Nitrogen
(C) Carbon dioxide
(D) Hydrogen
Answer: (A) Oxygen
Category: General Science mcqs Class 9
General Science solved multiple choice questions (MCQs) for class 9 with answers.
Which of the following plays an important role in the energy release during cellular metabolism in plants?
(A) Iron
(B) Phosphorus
(C) Magnesium
(D) Calcium
Answer: (B) Phosphorus
Percentage of oxygen element in the human body is:
(A) 65%
(B) 18%
(C) 10%
(D) 50%
Answer: (A) 65%
Which of the following Pakistani Scientist work(ed) in the field of Missile technology?
(A) Samar Mubarak Mand
(B) Atta ur Rehman
(C) Abdul Qadeer Khan
(D) Ashfaq Ahmed Khan
Answer: (D) Ashfaq Ahmed Khan
Physics is a branch of science that deals with the physical properties of matter and
(A) Water
(B) Energy
(C) Waves
(D) Power
Answer: (B) Energy