In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.
The study of birds is known as
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'Pradhan Mantri Digital Saksharta Abhiyan' is launched to digitally literate 6 crore rural households by _____.
One of the following is also called as World Bank
“Saubhagya” scheme was launched to provide which of the following?
Sound is a form of ____________ which produces a sensation of hearing in our ears.
The average product curve are inverse ____ shaped.
Who Invented Induction Coil?