एक जलीय वातावरण में, जल धाराओं के साथ बहने वाले सूक्ष्म जीवों को सामूहिक रूप से ______ कहा जाता है।

Who among the following founded the 'Forward Bloc'?

Which of the following statements regarding the Harappan Civilization is NOT correct?

Which ruler is generally credited with unifying much of Northern India under a single empire for the first time?