UPSC preliminary 2016 questions and solutions with explanations.

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UPSC preliminary 2016 questions and solutions with explanations.

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
With reference to 'Bitcoins' sometimes seen in the news, which of the following statements is/are correct?
  1. Bitcoins are tracked by the Central Banks of the countries.
  2. Anyone with a Bitcoin address can send and receive Bitcoins from anyone else with a Bitcoin address.
  3. Online payments can be sent without either side knowing the identity of the other.
Select the correct answer using the code given below.
A
1 and 2 only
B
2 and 3 only
C
3 only
D
1, 2 and 3
Question 1 Explanation: 
First statement is not correct because Bitcoin transactions don't need a formal banking system. Rest two statements are correct.
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes the term "import cover'', sometimes seen in the news?
A
It is the ratio of value of imports to the Gross Domestic product of a country
B
It is the total value of imports of a country in a year.
C
It is the ratio between the value of exports and that of imports between two countries
D
It is the number of months of imports that could be paid for by a country's international reserves
Question 2 Explanation: 
Import cover is an important indicator of the stability of the currency. Import cover is defined as the time period for which a country's foreign exchange reserves, which will be able to support its imports.
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Project Loon, sometimes seen in the news, is related to
A
Waste management technology
B
Wireless communication technology
C
Solar power production technology
D
Water conservation technology
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of following statements is/are correct? Proper design and effective implementation of UN-REDD+ Programme can significantly contribute to
  1. Protection of biodiversity
  2. Resilience of forest ecosystems
  3. Poverty reduction
Select the correct answer using the code given below
A
1 and 2 only
B
3 Only
C
2 and 3 only
D
1, 2 and 3
Question 4 Explanation: 
Forests are vital for the well-being of humanity and play a central role in poverty alleviation initiatives and thus all options are correct.
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is 'Greased Lightning-10 (GL-10)', recently in the news?
A
Electric plane tested by NASA
B
Solar-powered two-seater aircraft designed by Japan
C
Space observatory launched by China
D
Reusable rocket designed by ISRO
There are 5 questions to complete.

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