List of practice Questions

Two dice are thrown at the same time. What is the probability that the sum of the two numbers appearing on the top of the dice is 13?
Which of the following is not a formula for arithmetic mean?
Mode of the data 9, 10, 19, 7, 11, 5, 6, 7, 8, 14, 10, 7, 6 is
In a grouped frequency distribution, the formula to find median is
The mirror which always gives diminished image is
The midpoint of a thin lens is called
The current in a conductor is directly proportional to the potential difference between its ends at constant temperature. This is known as
Kirchhoff's junction law is based on conservation of
The instrument to measure potential difference is
The magnetic flux passing through unit area taken perpendicular to the uniform magnetic field is called
The direction of the magnetic field lines outside the current carrying solenoid is from
In electric motors
Quantum mechanical model of the atom was developed by
Maximum no. of electrons in a subshell is equal to
Number of unpaired electrons present in carbon atom is
Double bond present in
The colour of methyl orange indicator in basic solution is
Which one of the following is used for disinfecting drinking water?
The metal that occurs in the free form (native) is
Galena is an ore of
In smelting the ore it is
The process of conversion of starches and sugars to C2H5OH is called
Which of the following is an unsaturated compound?
Which test is performed to identify the presence of starch in leaves?
In the mouth, the crushed food mixed with saliva which forms a slippery lump is called?