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

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