UPSC 2017 › Science & Technology

It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry ?

1. Production of algae based biofuels is possible in seas only and not on continents.
2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.
3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.

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Consider the following statements :

1. The Nuclear Security Summits are periodically held under the aegis of the United Nations.
2. The International Panel on Fissile Materials is an organ of International Atomic Energy Agency.

Which of the statements given above is/are correct ?

Consider the following statements :

1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.
2. Sexual transmission of Zika virus disease is possible.

Which of the statements given above is/are correct ?

The terms 'Event Horizon', 'Singularity', 'String Theory' and 'Standard Model' are sometimes seen in the news in the context of

With reference to agriculture in India, how can the technique of 'genome sequencing', often seen in the news, be used in the immediate future ?

1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants.
2. This technique helps in reducing the time required to develop new varieties of crop plants.
3. It can be used to decipher the host-pathogen relationships in crops.

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Consider the following pairs : Commonly used / Unwanted or consumed materials controversial chemicals likely to be found in them

1. Lipstick – Lead
2. Soft drinks – Brominated vegetable oils
3. Chinese fast food – Monosodium glutamate

Which of the pairs given above is/are correctly matched ?

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 ?

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.

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What is the application of Somatic Cell Nuclear Transfer Technology ?

In India, it is legally mandatory for which of the following to report on cyber security incidents ?

1. Service providers
2. Data centres
3. Body corporate

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What is the purpose of 'evolved Laser Interferometer Space Antenna (eLISA)' project ?