A) Carbon dioxide
B) Oxygen
C) Hydrogen
D) None of these
Everyday Science
The temperature of Liquid Nitrogen is:
A) 37°C
B) –196°C
C) 40°C
D) None of these
The life span of Red Blood Cells is:
A) 120 days
B) 90days
C) 100 days
D) 110 days
Which acid is used in the battery:
A) Sulfuric Acid
B) Acetic Acid
C) Hydrochloric Acid
D) None of these
Which of the following was discovered by Alexander Fleming:
A) Penicillin
B) Telephone
C) X-Ray
D) None of these
Who among the following discovered the circulation of blood:
(A) William Harvey
(B) Carl Linnaeus
(C) Francis Crik
(D) None of these
Friction can be reduced by changing from:
(A) Sliding to rolling
(B) Rolling to sliding
(C) Dynamic to static
(D) None of these
How many planets are in our solar system:
(A) 6
(B) 8
(C) 10
(D) 12
The thinker who gave the cell theory:
(A) Hooke
(B) Matthias Schleiden and Schwann
(C) Albrecht Von Roelliker
(D) None of these
Entomology is the science that studies:
(A) Rocks
(B) Insects
(C) Humans
(D) None of these