The study of heavenly bodies is known as_________?
The study of heavenly bodies is known as_________?A. Astrology
B. Astronautics
C. Astronomy
D. Astrophysics
B. Astronautics
C. Astronomy
D. Astrophysics
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Hydrogen peroxide (H2O2)______________?
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 glucoseThe distance between the optical centre of a convex lens and its principal focus is called its_______?
The distance between the optical centre of a convex lens and its principal focus is called its_______?A. Focal Length
B. Radius of Curvature
C. Power
D. MagnificationThe 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______________?
The alpha particles are compact clusters of______________?
A. Electron and Proton
B. Two Protons and two Neutrons
C. Three protons and three Neutrons
D. NoneHow many bones in our body?
How many bones in our body?
A. 102
B. 306
C. 206
D. 204Atephobia is fear of _________?
Atephobia is fear of _________?A. Imperfection
B. Heights
C. Attitude
D. None of theseWhat is the breathing rate of human being body?
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