KNOWLEDGE ON HEADLINES 22 MAY 2015

• Which Indian Shuttler has been ranked No.1 in single rankings released by BWF - Saina Nehwal

• World Bank approved 250 million dollar credit for Enhancing Teacher Effectiveness for which Indian state - Bihar

• Where were the Blue whales spotted for the 1st time in 100 years - Sindhudurg coast in Maharashtra

• Which day was observed on 22nd May - International Day for Biological Diversity

• Which army has developed Blast proof wallpaper to protect soldiers from explosions - US Army

• In the environmental democracy Index 2015, India is at which position - 24th position