According to Quark theory, there are _________ elementary particles.

A. Three
B. Six
C. Nine
D. Ten

Pluto is known as dwarf planet because which of the following reason/s:

A. It has negligible mass
B. It has not nearly round shaped
C. It does not have always same neighbouring planet
D. all of the above

Which of the following is more Basic in nature?

A. Ammonia
B. 1°alkyl ammine
C. 2° alkyl ammine
D. 3° alkyl ammine

Cations possess __________ charge?

A. +ve
B. -ve
C. Neutral
D. None

How many rows in the modern Periodic Table?

A. 5
B. 6
C. 7
D. None of these.

Orange belongs to the family

A. Malvaceae
B. Rutaceae
C. Composite
D. None of these

Who is regarded as the father of political science?

A. Plato
B. Aristotle
C. Karl marx
D. None of these

Nuclear energy when expanded converts?

A. Proton into neutron
B. Chemical into heat
C. Nuclear into thermal
D. None of these

Explanation: Three mutual conversions of energy forms occur at nuclear power plants: nuclear energy is converted into thermal energy, thermal energy is converted into mechanical energy, and mechanical energy is converted into electric energy.

When the object moves with the speed of light its mass would be ___

A. Zero
B. Double
C. Infinite
D. Finite

Electron was discovered-by?

A. Joseph john thomson
B. Rutherford
C. Marie curie
D. John dalton