Choose or find odd word - Thermosphere , Stratosphere , Exosphere , Ionospher , Troposphere

A. THERMOSPHERE

Choose or find odd word - Yuri Gagarin , Rakesh Sharma , Neil Armstrong , Edmund Hillary

D. EDMUND HILLARY

Choose or find odd word - Owl , Eagle , Hawk , Parrot

D. PARROT

Choose or find odd pair of words - (Iran : Asia) , (Canberra : Australia) , (Norway : Europe) , (Algeria : Africa)

B. CANBERRA : AUSTRALIA

Choose or find odd letter group - KP , MN , HR , GT , EV

C. HR