With reference to Click Chemistry, consider the following statements:

1. It is a minimalistic form of chemistry in which molecular building blocks can quickly and efficiently snap together.
2. The central idea is to choose simple reactions between molecules that have a stronger intrinsic drive to bond together.
3. Click chemistry cannot provide exact copies of natural molecules but it will be possible to find molecules that fulfil the same functions.

Which of the statements given above are correct?

With reference to Carbon Dots, consider the following statements:

1. Carbon Dots have an average diameter of less than 10 nanometres.
2. Carbon dots are highly expensive, and are categorized as environment pollutant.
3. They are becoming more popular as candidates in sensing and bioimaging applications.

Which of the statements given above is/are correct?

Recently, India emerged as the World’s largest producer and consumer of Sugar. With reference to the year 2020-21, arrange the following States in decreasing order of their share in sugar production:

1. Uttar Pradesh
2. Karnataka
3. Maharashtra

Select the correct answer using the codes given below:

Graded Response Action Plan (GRAP), often in news, is mainly associated with:

With reference to the Light Combat Helicopter (LCH), Prachanda, which of the following statements is/are correct?

1. The LCH is the only attack helicopter in the world which can land and take off at an altitude of 5,000 meters with a considerable load of weapons and fuel.
2. The helicopter uses radar-absorbing material to lower radar signature.

Select the correct answer using the codes given below: