MCQs

Q121: The functional group -COOH is used for ______?

• A) Alkynes
• B) Alcohols
• C) Carboxylic acids

Q122: Which one of the following decreases along the period?

• A) Ionization Energy
• B) Atomic Radius
• C) Electronegativity

Q123: The maximum number of electrons K orbit possesses?

• A) 2
• B) 4
• C) 6

Q124: Mass number of an atom shows _____?

• A) Numbers of protons
• B) Number of electrons
• C) Number of proton and neutron

Q125: An atom has the same number of _____?

• A) Electrons and Neutrons
• B) Protons and Neutrons
• C) Electrons and Protons

Q126: A mode of heat transfer that occurs by the mass motion of a fluid is called?

• A) Radiation
• B) Convection
• C) Conduction

Q127: In which mode heat transfer in liquids and gases?

• A) Convection
• B) Radiation
• C) Conduction

Q128: Which one among the following is a hydrocarbon compound? A)Candle wax, B) Polyurethane , C)Glycerol, D) Aspirin

• A) Candle wax
• B) Polyurethane
• C) Glycerol

Q129: The distance between two successive crests or troughs of a wave is called ______?

• A) Frequency
• B) Amplitude
• C) Wavelength

Q130: Which of the following is/are not considered as a system software?

• A) Assembler and MS Windows
• B) Compiler and Device drivers
• C) Tally and MS Office