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When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of –

Flight Recorder is technically called :

Which blood group is the universal recipient?

Tendons and Ligaments are

At the extreme end (maximum displacement) of a simple harmonic oscillation:

Formation of curd by milk is done by-

Which gas is most abundant in Earth's atmosphere?

Speed of sound in air is unaffected by change in :

The "Kyoto Protocol" is an international treaty associated with:

Which of the following are environment-friendly practices ?