DAY 20 : DAILY UPSC PRELIMS 2019 PREVIOUS YEAR QnA PRACTICE

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1.  ‘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

2. 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.

 (c) Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.

 (d) It enabled the scientists to understand ‘singularity’.

3. 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

 (c) 1, 3 and 4

 (d) 2, 3 and 4

4. 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

5. 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 arc several times more than those infected with HIV.

 (d) Some of those infected with Hepatitis B and C viruses do not show the symptoms for many years.

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Question 1 of 5

The UPSC Prelims 2019 Previous Year Question Paper has been designed to help the aspirants to get familiar with the types of questions that will be asked in the paper. It also helps them to prepare for the exam, and check their weak areas so as to plan accordingly. To practice with previous year question papers. This will help you better understand the pattern of the exam and prepare well for it.

 The best way to clear the prelims is to practice for previous question paper. The following are some questions from previous year question paper which will help you in the upcoming prelims exam. It has been designed to help the students in their preparations for all competitive examinations. The setting of the questions in this is very much similar to the pattern of questions in the real examination. This has been designed by a team of qualified professionals, who have years of experience in teaching and training youngsters for competitive exams.

PRACTICE DAY 18 DAILY UPSC PRELIMS 2019 PREVIOUS YEAR QnA

PRACTICE DAY 19 DAILY UPSC PRELIMS 2019 PREVIOUS YEAR QnA

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