For Purifying drinking water, alum is used

$$\frac{3}{4}$$

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1.If it is true that 'religious fundamentalism is dangerous $\to the society^{\prime}, which one of the following statements is also$ true? Option 1: Religion without reason is dangerous $\to the$ society. Option 2: Belief in religion is dangerous $\to the$ society. Option 3: Religious pluralism is dangerous $\to the$ society. Option 4: Disrespect for other religions is dangerous $\to the$ society.

2.In 2021, Nobel Prize in medicine has been awarded for—

3.Air Quality Index (AQI) is-

4.The Amazon does not face threats from

5.Which country does not plan to phase out the sale of fossil fueled vehicles by 2030?

6.What does COVAX stand for?

7.Which one of the following writers has written under the pen name 'Robert $Galbraith^{\prime}$?

8.Which sport has made its debut in Tokyo Olympics 2020?

9.Which instrument is used for seeing objects at the surface of water from a submarine under water?

10.The agreement according to which the UK, the USA and the former USSR cannot assist other countries in acquiring technology to develop nuclear weapons is known as ¾.

11.What does VPN stand for?

12.What are embededed computers?