Question : In a galvanic cell, the half-cell in which oxidation takes place is called ______, and it has a negative potential concerning the solution.

Option 1: cathode

Option 2: diode

Option 3: triode

Option 4: anode

Question : What will happen to the level of water in a vessel when a piece of ice floating in it melts?

Option 1: Decreases

Option 2: Increases

Option 3: Remains same

Option 4: First increases and then decreases

Question : If the diameter of a sphere is reduced to its half, then the volume would be:

Option 1: increased by $\frac{1}{4}$ of the former volume

Option 2: reduced by $\frac{1}{4}$ of the former volume

Option 3: increased by $\frac{1}{8}$ of the former volume

Option 4: reduced by $\frac{1}{8}$ of the former volume

Question : Which of the following is not true when the interest rate in the economy goes up?

Option 1: Saving increases

Option 2: Lending decreases

Option 3: Cost of production increases

Option 4: Return on capital increases

Question : 'TAPI' is a natural gas pipeline from Turkmenistan to India. It passes through _____.

Option 1: Afghanistan

Option 2: Pakistan

Option 3: Both Afghanistan and Pakistan

Option 4: None of these