Current Affairs MCQ for UPSC Exams - 03 February 2021

Q.1) With reference to the Neutrino, consider the following statements:

1. Neutrino is a subatomic particle that is very similar to an electron.
2. It has electrical charge and a very small mass.
3. Neutrinos can be classified into three types- electron, muon and tau.
Which of the statements given above is/are correct?

(a) 1 and 3 only

(b) 2 and 3 only

(c) 1 and 2 only

(d) 2 only

Q.2) Who has been recently appointed as co-chair of immigration task force of CAPAC?

(a) Ro Khanna

(b) Pramila Jayapal

(c) Ami Bera

(d) Raja Krishnamoorthi

Q.3) With reference to the sources of hydrogen, consider the following statements:

1. Green hydrogen is produced from electrolysis of water using electricity from renewable sources.
2. Major sources of hydrogen produced from natural gas. 
3. Most hydrogen on Earth is bonded to oxygen in water and to carbon in live or dead and/orfossilized biomass.
Which of the statements given above is/are correct?

(a) 1 and 3 only

(b) 2 and 3 only

(c) 1, 2 and 3 only

(d) 2 only

Q.4) Recently seen in news about Robinhood app, it has been associated with 

(a) e-learning

(b) online trading 

(c) e-commerce 

(d) None of them above 

Q.5) With reference to the SN9 rocket system, consider the following statements: 

1.It is built of stainless steel.
2. The rocket being developed by SpaceX.
Which of the statements given above is/are correct?

(a) Neither 1 nor 2

(b) Both 1 and 2 

(c) 1 only

(d) 2 only

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