Current Affairs MCQ for UPSC Exams - 25 March 2018

Ques.1- Which of the following states Cauvery DOESNOT flow?

(a) Andhra Pradesh
(b) Tamil Nadu
(c)  Kerala
(d) Karnataka

Ques.2- Kuroshio Current is a oceanic current available in?

(a) South Atlantic Ocean
(b) North Pacific Ocean
(c) North Atlantic Ocean
(d) North Indian Ocean

Ques.3- Which of the following statement(s) is/are true about LED?

1. A light-emitting diode (LED) is a two-lead semiconductor light source.
2. It is a p–n junction diode that emits light when activated.
3. When a suitable current is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons.

(a)  Only i
(b) Only ii,iii
(c) Only iii
(d) All of the above

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Answer:

1 (a), 2 (b), 3 (d)