The study of heavenly bodies is known as_________?
B. Astronautics
C. Astronomy
D. Astrophysics
Hydrogen peroxide (H2O2)______________?
A. helps line up cell proteins
B. is poisonous to tissues
C. is often needed as a catalyst
D. aids in oxidation of glucose
		A. Focal Length
B. Radius of Curvature
C. Power
D. Magnification
The distance between the optical centre and principal focus of a lens is called focal length. Focal length of a lens depends on the refractive index of the glass and its curvature.
The alpha particles are compact clusters of______________?
		A. Electron and Proton
B. Two Protons and two Neutrons
C. Three protons and three Neutrons
D. None
How many bones in our body?
A. 102
B. 306
C. 206
D. 204
A. Imperfection
B. Heights
C. Attitude
D. None of these
What is the breathing rate of human being body?
		A. 15-11 minutes
 B. 16-20 minutes
C. 25-26 minutes
D. 32-35 minutes