Controlling mosquito using chemical substances is called?

The I-ACE was a Circular Economy Hackathon, which has been held by the Government of India with which country?

Select the most appropriate synonym of the given word.
 Confront

When is 'National Safety Day' celebrated every year?

Which Afghanistan cricketer became the first player to score a double century for the country in Test cricket?

Four clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.

Option

Sam talks about an example of an igneous rock. Which of the following can it be? 

Solving the school problem is a matter of research.