Challenge Prelims V1.0 – Day 74 – GS Paper (Science and Technology)

1. With reference to the uses of gold nanoparticles (GNPs), consider the following statements:

1. GNPs can be used as a composite therapeutic agent in Anti-cancer drugs.
2. GNPs are useful in the electronics industry for the construction of a transistor.
3. They can be used in the photovoltaic cell manufacturing industry.

How many of the statements given above is/are correct?

2. With the present state of development, Artificial Intelligence can effectively do how many of the following?

1. Detecting human emotions using body movement.
2. Speed up the vaccine development process.
3. Provide warnings about speeding and reduce collisions between speeding vehicles.
4. Rate a movie’s content in a matter of seconds based on the movie script.

Select the correct answer using the code given below.

3. With reference to Nanobodies, which of the following statements is not correct?

4. How many of the following is/are the sources of nanoparticle pollution in the environment?

1. Smoke from volcanoes and forest fires.
2. Use of sunscreen lotions on beaches.
3. Production of raw materials during mining and refining.

Select the correct answer using the code given below.

5. In the context of the latest technological developments, the term ‘Metamaterial’ is often seen in the news. It refers to

6. How many of the following is/are an application (s) of nanotechnology?

1. Making faster and smaller microchips
2. Air and waste water purification
3. Detecting pathogens in food

Select the correct answer using the code given below.

7. The Department of Defence Production recently constituted a task force headed by N Chandrasekaran to study

8. Consider the following statements regarding Nanoflares:

1. It is a sudden flash of brightness observed by the people living close to the poles at night.
2. The brightness is generated by converting energy stored in the magnetic field to the motion of plasma.

Which of the statements given above is/are correct?

9. The term ‘Nanomicelles’ recently seen in the news is related to

10. With reference to the nanomaterials, consider the following statements:

1. An object to be classified as nanomaterial should have all the three-dimension in the nanometer scale (1-10 nm).
2. Nanomaterials can only be synthesized artificially.

Which of the statements given above is/are correct?

11. Consider the following:

1. Detection of cancer
2. Reduction in occurrences of wildfire
3. Writing poetry
4. Identification and classification of celestial objects

With the present state of development, how many of the above-mentioned things are possible through Artificial Intelligence?

12. Consider the following statements regarding nano fertilizers:

Statement I: Nano Urea increases the availability of nitrogen to crops by more than 80% resulting in higher Nutrient Use efficiency.

Statement II: Compared to conventional urea prill, nano Urea has less surface area.

Which one of the following is correct in respect of the above statements?

13. Consider the following:

1. 3D printing
2. Quantum computing
3. Detection of contamination of food

How many of the areas/fields mentioned above is nanotechnology used?

14. Which of the following statements regarding Carbon Nanotubes (CNTs) is not correct?

15. Government has formed high level committee under the chairmanship of Rajiv Kumar for which of the following purpose?