71.
Which river rises from Ghum range of Darjeeling district?

72.
Which river is also known as Dwarakeswar in Bankura district?

73.
Which river flows through Coochbehar district of West Bengal?

74.
Which of the following water sources is situated in the border of Bengal and Sikkim?

75.
Which among the following rivers rises from Khamarpath hill of Chotanagpur plateau in Bihar?

76.
Which among the following rivers is called the 'Sorrow of Bengal'?

77.
Which among the following rivers flowing through North Bengal confluences with Jamuna river in Bangladesh?

78.
Which among the following river flows through the Western plateau area in West Bengal?

79.
Which among the following river flows through the Sundarbans region?

80.
Which among the following lakes serves as the water reservoir for the supply of water for Darjeeling?