71.
Consider the following statements
1. Birbhum is identified as an area for sand mining.
2. Exploration of coal bed methane is taking place in West Bengal.
Which of the statements given above is/are correct?

72.
Coal mine disasters in West Bengal are due to

73.
Borjora and Mezia mines of Bankura district in West Bengal are famous for which mineral?

74.
Belpahari and Gidhni area of West Midnapore has deposits of which mineral?

75.
Beldi Apatite Mine is located in which among the following places of West Bengal?

76.
Which state highway links the five districts of Murshidabad, Birbhum, Bardhaman, Hooghly and West Midnapore?

77.
Which of the following railways is also known as 'Toy Train'?

78.
Which of the following docks is/are the part of the Kolkata Dock System?

79.
Which of the following airports in West Bengal is for International flights?

80.
Which newly constructed national highway passing through West Bengal runs upto Bhutan border?