31000+ Important MCQs for CDS

121) The tonnage (1 ton, 2 ton, etc.) of an air conditioner (AC) denotes:

122) The scientific principle involved in a laser is

123) Consider the following statements:
1.All enzymes play a functional role in living systems.
2.Enzymes contain peptide linkages.
3.Enzymes belong to the family of carbohydrates.
4.Enzymes can easily be synthesized. 
The correct statement(s) is/are

124) The use of gypsum is recommended mainly in soils which are

125) Pointing to a gentleman, Deepak said, "His only brother is the father of my daughter's father." How is the gentleman related to Deepak ?

126) Arun said, "This girl is the wife of the grandson of my mother." Who is Arun to the girl ?

127) Pointing to a photograph, a woman says, “This man’s son’s sister is my mother-in-law.” How is the woman’s husband related to the man in the photograph?

128) Pointing to a photograph, a woman says, "This man's son's sister is my mother-in-law." How is the woman's husband related to the man in the photograph ?

129) Showing a man a woman said, “his brother’s father is the only son of my grandfather”. How is the woman related to the man?

130) The earliest city discovered in India was