DAY 19 : DAILY UPSC PRELIMS 2019 PREVIOUS YEAR QnA PRACTICE

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1. In the context of digital technologies for entertainment, consider the following statements:

In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.
In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.
AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC.
VR closes the world, and transposes an individual, providing complete immersion experience.

Which of the statements given above is/are correct?

(a) 1 and 2 only

(b) 3 and 4

(d) 4 only

2. The word ‘Denisovan’ is sometimes mentioned in media in reference to

(a) fossils of a kind of dinosaurs

(b) an early human species

(d) a geological period in the history of Indian subcontinent

3. With reference to the recent developments in science, which one of the following statements is not correct?

(a) Functional chromosomes can be created by joining segments of DNA taken from cells of different species.

(b) Pieces of artificial functional DNA can be created in laboratories.

(d) Cells taken out from plasma and animals can be made to undergo cell division in laboratory petri dishes.

4. Consider the following statements:

A digital signature is

an electronic record that identifies the certifying authority issuing it
used to serve as a proof of identity of an individual to access information or server on Internet
an electronic method of signing an electronic document and ensuring that the original content is unchanged

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 and 3 only

(d) 1, 2 and 3

5. In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?

Select the correct answer using the code given below:

(a) 1 only

(b) 2 and 3 only

(d) 1, 2 and 3

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