Questions

Acid rain is caused by release of ___ and___ into the air.

When milk becomes sour, ___ is produced.

Biofortification is a ________________ .

Orbital period of Halley's comet is ___ years.

The Brownian Motion was discovered by

The Arjuna Awards given by the Government of India is for public achievement in which of the following fields?

In which year, was the Noble Peace Prize jointly given to Kailash Satyarthi and Malala Yousafzai?

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).