DAY 4: DAILY UPSC PRELIMS 2020 PREVIOUS YEAR QnA PRACTICE

1. With reference to the scholars/litterateurs of ancient India, consider the following statements:

1. Panini is associated with Pushyamitra
2. Amarasimha is associated with Harshavardhana
3. Kalidasa is associated with Chandra Gupta-II

Which of the statements given above is/are correct?

2. In the context of recent advances of human reproductive technology, “Pronuclear Transfer” is used for

3. With the present state of development, Artificial Intelligence can effectively do which of the following?

1. Bring down electricity consumption in industrial units
2. Create meaningful short stories and songs
3. Disease diagnosis
4. Text-to-Speech Conversion
5. Wireless transmission of electrical energy

Select the correct answer using the code given below:

4.  With reference to Visible Light Communication (VLC) technology, which of the following statements are correct?

1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm.
2. VLC is known as long-range optical wireless communication.
3. VLC can transmit large amounts of data faster than Bluetooth.
4. VLC has no electromagnetic interference.

Select the correct answer using the code given below:

5. With reference to “Blockchain Technology”, consider the following statements:

1. It is a 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 cryptocurrency only.
3. Applications that depend on basic features of blockchain can be developed without anybody’s permission.

Which of the statements given above is/are correct?