871: Which one of the following ports of India handles the highest tonnage of import cargo ?
(a) Calcutta
(b) Kandla
(c) Mumbai
(d) Visakhapatnam
872: Which one of the following was used as a chemical weapon in the First World War?
(a) Carbon monoxide
(b) Hydrogen cyanide
(c) Mustard gas
(d) Water gas
873: Consider the following statements :
1. Biodiversity hotspots are located only in tropical regions.
2. India has four biodiversity hotspots i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
874: Consider the following:
Carbon monoxide
Methane
Ozone
Sulphur dioxide
Which of the above are released into atmosphere due to the burning of crop/biomass residue?
(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
875: Recently, which one of the following was included in the UNESCO's World Heritage list?
(a) Dilwara Temple
(b) Kalka-Shimla Railway
(c) Bhiterkanika Mangrove Area
(d) Vishkhapatnam to Araku valley railway line