The biggest eyes animal creature so far known is _________?

Molecules with identical molecular formulae but with different structural formulae are called_____.

A. Isotopes
B. Isomers
C. Electrode
D. Compound

(more…)

Bronze is an alloy of_____.

A. Iron, Carbon
B. Copper, Tin
C. Nickel, Zinc

D. Mercury, Lead

(more…)

The nearest planet to the Sun is____.

A. Mercury
B. Venus
C. Mars
D. Jupiter

(more…)

The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is_____.

A. Hydrogen
B. Nitrogen
C. Brass
D. Silicon

(more…)

Battery was invented by____.

A. Volta
B. Hero
C. Fermi
D. Maiman

(more…)

The unit used to measure ‘magnetic flux’ is_____.

A. pascal
B. farad
C. weber
D. henry

(more…)

A person seated in front of a fire receives heat by_____.

A. Conduction
B. Convection
C. Radiation
D. None of these

(more…)

If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is_____.

A. Conduction
B. Convection
C. Radiation
D. None of these

(more…)

Which of the following is NOT a method of heat transfer?

A. Conduction
B. Convection
C. Radiation
D. All of the above (more…)