Question : Which of the following is not a technique or a step to convert normal water to potable water?

Option 1: Filtration

Option 2: Bromination

Option 3: Boiling

Option 4: Chlorination

Question : Which of the following initiatives of the government of India is aimed at developing and rejuvenating 75 water bodies in each district of the country as a part of the celebration of Azadi ka Amrit Mahotsav?

Option 1: Mission Amrit Clean Water

Option 2: Mission Amrit Water

Option 3: Mission Amrit Sarovar

Option 4: Mission Amrit District

Question : Which of these is a component of the tertiary sector of an economy?

Option 1: Mining and quarrying

Option 2: Water supply

Option 3: Electricity

Option 4: Hotels and restaurants

Question : Which of the following is the most suitable application of rainwater harvesting?

Option 1: Used in cooking

Option 2: Irrigation

Option 3: Water for pets

Option 4: Use for industrial purposes

Question : Directions: In the following question, four number pairs are given. In each pair, the number on the left side of (–) is related to the number on the right side of (–) with some Logic/Rule /Relation. Three pairs are similar based on the same Logic/Rule/Relation. Select the odd one out from the given alternatives. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g.13 – operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

Option 1: 225 – 5733

Option 2: 169 – 7912

Option 3: 361 – 9786

Option 4: 289 – 3194