UPSC Civil Service 2019 GS Paper 41 to 50 Questions
41. In the context of digital technologies for
entertainment, consider the following statements:
1. In Augmented Reality (AR) , a simulated environment
is created and the physical world is completely shut
out.
2. In Virtual Reality (VR), images generated from a
computer are projected onto real-life objects or
surroundings.
3. AR allows individuals to be present in the world
and improves the experience using the camera of smartphone
or PC.
4. 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
(c) 1, 2 and 3
(d) 4 only
Answer: b
42. The word 'Denisovan' is sometimes mentioned in
media in reference to
(a) fossils of a kind of dinosaurs
(b) an early human species
(c) a cave system found in North-East India.
(d) a geological period in the history of Indian
subcontinent
Answer: b
43. 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 Iaboratories.
(c) A piece of DNA taken out from an animal cell can
be made to replicate outside a living cell in a laboratory.
(d) Cells taken out from plants and animals can be
made to undergo cell division in laboratory petri dishes.
Answer: a
44. Consider the following statements:
A digital signature is
1. an electronic record that identifies the certifying
authority issuing it
2. used to serve as a proof of identity of an
individual to access information or server on Internet.
3. 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
(c) 3 only
(d) 1, 2 and 3
Answer: d
45. In the context of wearable technology, which of
the following tasks is/are accomplished by wearable devices?
1. Location identification of a person
2. Sleep monitoring of a person
3. Assisting the hearing impaired person
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
Answer: d
46. 'RNA interference (RNAi)' technology has gained
popularity in the last few years. Why?
1. It is used in developing gene silencing therapies.
2. It can be used in developing therapies for-the
treatment of cancer.
3. It can be used to develop hormone replacement
therapies.
4. It can be used to produce crop plants that are
resistant to viral pathogens.
Select the correct answer using the code given below.
(a) 1, 2 and 4
(b) 2 and 3
(c) 1 and 3
(d) 1 and 4 only
Answer: a
47. Recently, scientists observed the merger of giant
'blackholes' billions of light-years away from the Earth. What is
the significance of this observation?
(a) 'Higgs boson particles' were detected.
(b) 'Gravitational waves' were detected.
(e) Possibility of inter-galactic space travel through
'wormhole' was confirmed.
(d) It enabled the scientists to understand
'singularity'.
Answer: b
48. Which of the following are the reasons for the
occurrence of multi-drug resistance in microbial pathogens in
India?
1. Genetic predisposition of some people
2. Taking incorrect doses of antibiotics to cure
diseases
3. Using antibiotics in livestock farming
4. Multiple chronic diseases in some people
Select the correct answer using the code given below.
(a) 1 and 2
(b) 2 and 3 only
(e) 1, 3 and 4
(d) 2, 3 and 4
Answer: a
49. What is Cas9 protein that is often mentioned in
news?
(a) A molecular scissors used in targeted gene editing
(b) A biosensor used in the accurate detection of
pathogens in patients
(c) A gene that makes plants pest-resistant
(d) A herbicidal substance synthesized in genetically
modified crops
Answer: a
50. Which one of the following statements is not
correct?
(a) Hepatitis B
virus is transmitted much like HIV.
(b) Hepatitis B, unlike Hepatitis C, does not have a
vaccine.
(c) Globally, the number of people infected with
Hepatitis B and C viruses are several times more than those
infected with HIV.
(d) Some of those infected with Hepatitis Band C
viruses do not show the symptoms for many years.
Answer: b
Check These also
Job News
Exam Preparation
![[Set 3] MCQ for ICDS Supervisor Exam|ICDS Supervisor Kerala PSC](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirmpde6UGlx94eDLtWkrJ18PAc_d8GVw_K-4E1izTltkjugPJEyBVplbm_S85f0gxNowfcbT6afCPnAjTF0_TKYK9Lq7zm1fnQU-TPsKEosx0opg5d05b-nry5qBPrKUZMoVD7BOFpW-5jxoAlMCTysmHKi30ieam3tPtA_ohH_Z5D2Uu1PPxt-qZ38wY/s72-c/icds-supervisor-mcq.jpg)
