Question : What is a neuron?

Option 1: The basic unit of energy

Option 2: Particles released during radioactivity

Option 3: The anti-particle of neutron

Option 4: The basic unit of the nervous system

Question : Which of the following is a structural, and functional unit of kidneys?

Option 1: Renette Cells

Option 2: Flame Cells

Option 3: Nephrites

Option 4: Nephrons

Question : What is the full form of ALU?

Option 1: Alternative Logic Unit

Option 2: Arithmetic Logic Unit

Option 3: Arithmetic Least Unit

Option 4: Arithmetic Local Unit

Question : The area of a regular hexagon with side '$a$' is:

Option 1: $\frac{3\sqrt3}{4}a^2$ sq. unit

Option 2: $\frac{12}{2\sqrt3}a^2$ sq. unit

Option 3: $\frac{9}{2\sqrt3}a^2$ sq. unit

Option 4: $\frac{6}{2\sqrt3}a^2$ sq. unit

Question : What is the unit of relative density?

Option 1: kg/m

Option 2: kg/m²

Option 3: kg/m³

Option 4: It has no unit