Question : In hydel power station, the motion produced in turbines is due to:

Option 1: flow of water

Option 2: burning of coal

Option 3: burning of diesel

Option 4: production of steam

Question : What is an endothermic reaction ?

Option 1: Reaction in which heat is released

Option 2: Reaction in which heat is Absorbed

Option 3: Reaction in which neither heat is released nor absorbed

Option 4: None of these

Question : Which type of reaction produces the most harmful radiation?

Option 1: fusion reaction

Option 2: Fission reaction

Option 3: chemical reaction

Option 4: Photo-Chemical reaction

Question : Hydrogen bomb is based on the principle of

Option 1: controlled fission reaction

Option 2: uncontrolled fission reaction

Option 3: controlled fusion reaction

Option 4: uncontrolled fusion reaction

Question : Which of the following is an organic rock ?

Option 1: Marble

Option 2: Coal

Option 3: Granite

Option 4: Slate