Which of the following micro-organism causes diseases like polio and chicken pox?
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The saliva in human beings contains which enzyme?
Which of the following is NOT a part of the Western coastline?
If ice floating on water in a vessel melts, the water level in the vessel _______.
In the equation of motion v = u + at, u represents _________________
Why does a black board appears black in colour?
In terms of size, Jupiter ranks no. ___ in our Solar System.
Air pollution level is considered to be moderate if Air Quality index between