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) : The use of chlorofluoro carbons is banned throughout the world nowadays. Reason (R) : These chemicals cause skin cancer.
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.
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.