UPSC PRELIMS 2020 (REVISION)

Que 1  : with the present state of development, Artifical intelligence can effectively do which of the following ?

1.Bring down electricity consumption in industrial units
2.Create meaningful short stories and songs
3. diseases diagnosis
4. text-to- speech conversion
5. wireless transmission of electrical energy

Select the corrent answer using the codes given below
(a) 1,2,3 and 5 only
(b) 1,3 and 4 only
(c) 2,4 and 5 only
(d) 1,2,3,4 and 5

Mark the correct response

Que 2. with reference to 'Blockchain Technology', consider the following statements:-

1. it is public ledger that everyone can inspect, but which no single user controls.
2. the structure and design of blockchain is such that all the data in it are about crytocurrency only.
3. Applications that depend on basic feature of blockchain can be developed without anybody's permission.

which of the statements given above is/ are corrent
(a) 1 only
(b) 1 and 2 only
(c) 2 only
(d) 1 and 3 only

Mark the correct response

Que 3. In the context of recent advances in human reproductive technology, “Pronuclear transfer” is used for

Que 4. Siachen glacier is situated to the