Choose the correct alternative from the following : - Assertion (A) : When the bus starts, the person inside it falls forward. Reason (R) : The bus pushes the man forward.
Choose the correct alternative from the following : - Assertion (A) : Leakages in household gas cylinders can be detected. Reason (R) : LPG has a strong smell.
Choose the correct alternative from the following : - Assertion (A) : DDT has nowadays lost its use as an insecticide. Reason (R) : DDT is harmful to man.
Choose the correct alternative from the following : - Assertion (A) : Silver is not used to make electric wires. Reason (R) : Silver is a bad conductor.