671. Which of the following is the outermost planet in the solar system?
A. Mercury
B. Pluto
C. Neptune
D. Uranus
E. None of these
672. Which of the following is the fluid part of blood?
A. plasma
B. platelets
C. blood cells
D. None of these
E. None of these
673. During winter in cold countries like Russia, which of the following is mixed to melt the ice on the roads filled with ice.
A. Salt
B. Chlorine
C. Carbon dioxide
D. Water
E. None of these
674. Anti-aging agent vitamin is called?
A. Vitamin A is the Anti-aging agent
B. Vitamin B is the Anti-aging agent
C. Vitamin C is the Anti-aging agent
D. None of these
675. What is involved in Oxidation chemical reaction?
A. Gain of Electrons
B. Loss of Electrons
C. Gain of Protons
D. Loss of Protons
676. Basic laws of Geometry were formulated by________
A. Pythagoras
B. Archimedes
C. Aristotle
D. None
677. For which of the following biological molecules, Phosphorus is an essential component?
A. Amino acids
B. Nucleic acids
C. Carbohydrates
D. None
678. Planets move around the sun was proved by_______
A. Archimedes
B. Galileo Galilei
C. John Kepler
D. None
679. How many different kinds of subatomic particles make an atom?
A. Three
B. Two
C. Four
D. None
680. In which of the following category UV light falls?
A. Ionizing Radiations
B. Non-Ionizing Radiation
C. Visible light
D. None