3. Which Indian cities have been recognised as the '2021 Tree City of the World' by FAO? A.Kolkata and MumbaiB.Mumbai and HyderabadC.Indore and HyderabadD.Mumbai and Indore
Explanation: The United Nations Food and Agriculture Organisation (FAO) and Arbor Day Foundation have jointly recognised Mumbai and Hyderabad as '2021 Tree City of the World'.
