Question : The antiparticle of an electron is

Option 1: Positron

Option 2: Proton

Option 3: Alpha particles

Option 4: Beta particles

Question : Which one of the following has greatest mass?

Option 1: electron

Option 2: proton

Option 3: neutron

Option 4: hydrogen nucleus

Question : As per physicists and their major contributions/discoveries, which of the following pairs is incorrect?

Option 1: John Bardeen - Theory of superconductivity

Option 2: Louis Victor de Broglie - Wave nature of matter

Option 3: Victor Francis Hess - Cosmic radiation

Option 4: Paul Dirac - Liquid helium

Question : Which among the following will be a negative ion?

Option 1: If it has more electron than protons

Option 2: If it has more electrons than neutrons

Option 3: If it has more protons than electrons

Option 4: If it has more protons than neutrons

Question : Direction: Which one of the given responses would be a meaningful order of the following?

1. Absorption

2. Digestion

3. Nutrition

4. Excretion

Option 1: 3, 1, 2, 4

Option 2: 2, 1, 3, 4

Option 3: 3, 4, 2, 1

Option 4: 3, 2, 1, 4