Choose the correct alternative from the following : - Assertion (A) : The body of the fish is streamlined. Reason (R) : The streamlined body helps the fish to cut its way through the water.
Choose the correct alternative from the following : - Assertion (A) : When common salt is kept open, it absorbs moisture from the air. Reason (R) : Common salt contains magnesium chloride.
Choose the correct alternative from the following : - Assertion (A) : Gandhiji withdrew the non-cooperation movement. Reason (R) : There was violence at the Chauri Chaura outrage.
Choose the correct alternative from the following : - Assertion (A) : Uranium undergoes nuclear fusion reaction. Reason (R) : It has a big, unstable nucleus.
Choose the correct alternative from the following : - Assertion (A) : The freezing of sea water during winter does not kill the fishes. Reason (R) : Only surface water is frozen.