[amp_mcq option1=”April, 5″ option2=”June, 5″ option3=”August, 5″ option4=”October, 5″ correct=”option2″]
The correct answer is (b). World Environment Day is observed on June 5. It is a United Nations observance day for encouraging worldwide awareness and action to protect the environment. It was first held in 1974.
The other options are incorrect. April 5 is World Health Day. August 5 is International Youth Day. October 5 is World Teachers’ Day.