Earth day is observed on Posted by: Admin Posted on: April 4, 2019 General knowledge McqsA. 22nd april B. 10th april C. 1st april D. 15th aprilShare this...FacebookPinterestTwitterLinkedinRelated posts:The longest man buit wall of the world: which is meant by EQUINOX? Ghazwa Khyber was fought between: which planet took longest time to go one round arround Sun ? which is the hottest planet in solar system ? What Does ISO Stand For…??? Battle of Mutah was fought between: Hazrat Adam is described in which Surah and how many times____? Why Muslims observed the ” Day of Deliverance”? The Indian Muslims observed the ” Day of Deliverance ” after the resignation of Congress Ministries on