UPSC  Current Affairs

11. Consider the following
1. Sodium
2. Gold
3. Magnesium
4. Copper
5. Calcium
6. Platinum
Which of the above are found in nature as Free Elements?

1, 2 and 6 2, 3 and 5 2, 4 and 6 1, 2, 4, 5 and 6

Share this QA

12. Recently NASA’s new horizon had sent close-up images of Pluto. Consider following statements about New Horizons
1. New Horizons is an interplanetary space probe that was launched as a part of NASAs New Frontiers program
2. A space probe is a robotic spacecraft that leaves Earth orbit and explores space.
3. Space environment around Pluto and its moons has a lot of dust.
Select the correct statements

1 only 1 and 2 only All of the above None of the above

Share this QA

13. Consider the following statements about ‘jet lag’
1. It is a physiological condition which results from alterations to the bodys circadian rhythms resulting from rapid long-distance trans-meridian travel on high-speed aircraft.
2. It is also known as desynchronosis or circadian dysrhythmia
Select the correct statements –

1 only 2 only Both 1 and 2 Neither 1 nor 2

Share this QA

14. Mentha also known as mint is a very beneficial crop for farmers in India. Consider the statements regarding crop ‘Mentha’
1. India is a net importer of mentha
2. It is included in Minimum Support Price (MSP)
3. Menthol is obtained from plant mentha
Select the correct statement/s

Only 1 1 and 2 1, 2 and 3 Only 3

Share this QA

15. Consider the following statements regarding e-waste
1. Pyro metallurgy and hydro metallurgy are the processes used to extract gold from e-waste
2. Pyro metallurgy is a process in which leaching chemicals are used.
3. Hydro metallurgy is a process to extract gold using high temperatures.
Select the incorrect statements

Only 1 Only 1 and 2 Only 2 and 3 All of the above

Share this QA

16. Consider the following statements:
1. Orbital speed of a satellite is independent of its mass
2. Orbital speed of a satellite depends upon the radius of orbit (height of satellite from the surface of earth)
3. Period of revolution of a satellite is independent of its mass
4. Escape velocity is independent of the mass, shape and size of the body and its direction of projection
Which of the statements given above is/are correct?

3 and 4 only 1, 2 and 3 only 1, 3 and 4 only All of the above

Share this QA

17. Consider the following statements and select the incorrect statement/s from the codes given below:
1. The addition of detergent or soap decreases the viscosity of water and thus increases the cleaning ability
2. If a clean and dry needle is kept slowly on the surface of water, it floats due to surface tension of water
Choose the appropriate code:

1 only 2 only Both 1 and 2 Neither 1 nor 2

Share this QA

18. Identify the incorrect pair/s from the following:
1. Biggest Solar Observatory : : Kodaikanal
2. National Remote Sensing Centre : : Mahendragiri
3. INSAT Master Control Facility : : Hassan
4. Indian Deep Space Network (IDSN) : : Byalalu
Choose the correct code:

3 only 3 and 4 only 1 and 2 only 2 only

Share this QA

19. Which among the following waves are examples of Electromagnetic waves?
1) X-rays 2) Gamma-rays 3) a-rays 4) ß-rays 5) Ultrasonic wave
Choose the appropriate code:

1, 2, 3 and 4 only 1 and 2 only 1 and 5 only 1, 2 and 5 only

Share this QA

20. Consider the following statements in regard to India’s 3-stage Nuclear Power Programme:
1) The first stage Pressurised Heavy Water Reactors (PHWRs) use natural uranium as fuel and heavy water as moderator and coolant
2) The second stage Fast Breeder Reactors (FBRs) use plutonium (which is produced by irradiation of uranium-238) and liquid sodium as coolant
3) The third stage is based on the thorium-uranium-233 cycle. Uranium-233 is obtained by irradiation of thorium.
Which of the statements given above is/are correct?

2 and 3 only 1 and 2 only 1 and 3 only All of the above

Share this QA

 

*Click on the QNo to display a Question.

Total Ans