Current Affairs MCQ for UPSC Exams - 20 April 2020

Current Affairs MCQ for UPSC Exams - 20 April 2020

Q1 Scientists at the Institute of Nano Science and Technology (INST), have recently come up with an efficient, low-cost electro-catalyst from fish gills that can help develop environmentally friendly energy conversion devices. Which of the following statements regarding the same stands true ?

1) This bio-inspired carbon nanostructure can help overcome the bottleneck in the realization of several renewable energy conversion and storage technologies such as fuel cell, biofuel cell, and metal−air battery.
2) The scientists found that the reason behind the outstanding performance of this catalyst is the presence of Fe−Mn based binary moiety, which is actually beneficial for the Oxygen (O2) binding and boosting Oxygen Reduction Reaction (ORR) catalytic performances.
3) However the bioinspired catalyst could not outperform the Platinum on carbon (Pt/C) catalyst.
Options :
a) 1 & 2 only 
b) 2 & 3 only 
c) 1 & 3 only
d) all the above

Q2 Which of the following countries include the member states of Organisation of Islamic Cooperation (OIC) ?

1) Afghanistan
2) India
3) Palestine
4) Chad
5) Israel

Options :
a) 1,2 & 3 only
b) 1,3 & 4 only 
c) 2,3 & 5 only
d) 2,4 & 5 only

Q3 With respect to the agricultural production and procurement in India which of the following statements stands true ?

1) India's foodgrains production is estimated at a record 291.95 million tonnes in the 2019-20 crop year (July-June), beating the target of 291 million tonnes.
2) Nearly 50 per cent of India's cultivable farm-area is dependent on the monsoon -- the lifeline of the country's rural economy and agriculture sector.
3) The procurement under the Price Support Scheme (PSS) in Rabi 2020-21 season is currently in progress in all the northeastern states of India.
Options :
a) 1 & 2 only 
b) 2 & 3 only 
c) 1 & 3 only
d) all the above

Q4 Consider the following statements :

1) The ionosphere is the ionized part of Earth's upper atmosphere, from about 13 km to200 km altitude, a region that includes the thermosphere and parts of the mesosphere.
2) The ionospheric variability is greatly influenced by both solar originated processes and the neutral atmosphere origin, therefore, difficult to model.
3) Tracking the variability of the Ionosphere is important for communication and navigation.
Which of the above statements stands true ?
Options :
a) 1 & 2 only 
b) 2 & 3 only
c) 1 & 3 only
d) all the above

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