Polio is caused by
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__________________ is a leaf where the leaflets are arranged along the middle vein.
The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .
Who amongst the following was the successor of Sikh Guru Har Krishan?
If (secA - tanA)2 = x, then the value of x is
In which sport in Asian Games, India has won maximum Gold Medals?
A collective term used by the Jains for their sacred books is
World War II started in the year?