Consider the following statements:
- In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.
- Sexual transmission of Zika virus disease is possible.
Which of the statements given above is/are correct?
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What is the application of Somatic Cell Nuclear Transfer (SCNT) Technology?
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With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future?
- Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants.
- This technique helps in reducing the time required to develop new varieties of crop plants.
- It can be used to decipher the host-pathogen relationships in crops.
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What is the purpose of ‘evolved Laser Interferometer Space Antenna (eLISA)’ project?
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It is possible to produce algae-based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?
- Production of algae-based biofuels is possible in seas only and not on continents.
- Setting up and engineering the algae-based biofuel production requires a high level of expertise/technology until the construction is completed.
- 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 pairs: Commonly used/consumed materials and Unwanted or controversial chemicals likely to be found in them
- Lipstick: Lead
- Soft drinks: Brominated vegetable oils
- Chinese fast food: Monosodium glutamate
Which of the pairs given above is/are correctly matched?
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Organic Light Emitting Diodes (OLEDs) are used to create the digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays?
- OLED displays can be fabricated on flexible plastic substrates.
- Roll-up displays embedded in clothing can be made using OLEDs.
- Transparent displays are possible using OLEDs.
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PYQs by Subject of 2017
Most repeated Topics from Science & Technology in Last 5 years
Repeated Topics | Questions in Last 5 Years |
|---|---|
| Emerging Technologies | 17 (25%) |
| Biotechnology | 13 (19%) |
| Defence Technology | 11 (16%) |
| Life Sciences | 8 (12%) |
| Information and Communication Technology | 5 (7%) |
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