Daily GS Foundation MCQs - SthaapnaIAS Previous Year QuestionsScience and technology Previous Year QuestionSthaapana - May 2019Sthaapana - May 2019 - Week 3

IAS Previous Year Science & Tech Questions | Lecture 12 | Latest Technologies Part-1

Q.1) In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person? [2014]

  1. Iris scanning
  2. Retinal scanning
  3. Voice recognition

Select the correct answer using the code given below.

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Q.2) The identity platform ‘Aadhaar’ provides open “Application Programming Interfaces (APIs)”. What does it imply?[2018]

  1. It can be integrated into any electronic device.
  2. Online authentication using iris is possible.

Which of the statements given above is/are correct ?

a)1 only

b)2 only

c)Both 1 and 2

d)Neither 1 nor 2

Q.3) Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays? [2016]

  1.  OLED displays can be fabricated on flexible plastic substrates.
  2.  Roll-up displays embedded in clothing can be made using OLEDs.
  3.  Transparent displays are possible using OLEDs.

Select the correct answer using the code given below

(a) 1 and 3 only

(b) 2 only

(c) 1, 2 and 3

(d) None of the above statements is correct

Q.4) With reference to the use of Nano-technology in health sector, which of the following statements is/are correct? [2015-I]

  1. Targeted drug delivery is made possible by nanotechnology.
  2. Nanotechnology can largely contribute to gene therapy.

Select the correct answer using the code given below.

(a) 1 only

(b) 2 Only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q.5) There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? [2014]

  1. They can accumulate in the environment, and contaminate water and soil.
  2. They can enter the food chains.
  3. They can trigger the production of free radicals.

Select the correct answer using the code given below.

(a) 1 and 2 only

(b) 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Q.6) 3D printing” has applications in which of the following? [2018]

  1. Preparation of confectionery items
  2. Manufacture of bionic ears
  3. Automotive industry
  4. Reconstructive surgeries
  5. Data processing technologies

Select the correct answer using the code given below :

(a) 1, 3 and 4 only

(b) 2, 3 and 5 only

(c) 1 and 4 only

(d) 1, 2, 3, 4 and 5

Q.7) A new optical disc format known as the Blu-ray Disc (BD) is becoming popular. In what way is it different from the traditional DVD ? [2011 – I]

  1. DVD supports Standard Definition video while BD supports high definition video
  2. Compared to a DVD, the BD format has several times more storage capacity
  3. Thickness of BD is 2.4 mm while that of DVD is 1.2 mm.

Which of the statements given above is/are correct?

(a) 1 only

(b) 1 and 2 only

(c) 2 and 3 only

(d) 1,2 and 3

To do Yourself

Q.8) The term ‘IndARC‘, sometimes seen in the news, is the name of [2015-I]

(a) an indigenously developed radar system inducted into Indian Defence

(b) India’s satellite to provide services to the countries of Indian Ocean Rim

(c) a scientific establishment set up by India in Antarctic region

(d) India’s underwater observatory to scientifically study the Arctic region

To do Yourself

 

Related Articles

Close