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?
- DVD supports Standard Definition video while BD supports High Definition video.
- Compared to a DVD, the BD format has several times more storage capacity.
- The thickness of BD is 2.4 mm while that of DVD is 1.2 mm.
Which of the statements given above is/are correct?
More questions fromScience & Technology
- Science & TechnologyView Answer
Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?
- Science & TechnologyView Answer
An artificial satellite orbiting around the Earth does not fall down. This is so because of the attraction Of Earth -
- Science & TechnologyView Answer
A married couple adopted a male child, A few years later; twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is -
- Science & TechnologyView Answer
A company marketing food products advertises that its items do not contain trans-fats. What does this campaign signify to the customers?
- The food products are not made out of hydrogenated oils.
- The food products are not made out of animal fats/oils.
- The oils used are not likely to damage the cardiovascular health of the consumers.
Which of the statements given above is/are correct?
- Science & TechnologyView Answer
Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use ?
- Science & TechnologyView Answer
At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?
- It is possible to know the pedigree of livestock.
- It is possible to understand the causes of all human diseases.
- It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?
Trusted by 2L aspirants
Practice UPSC Prelims PYQs Smarter
- Track accuracy & weak areas
- See past trends & repeated themes
PYQs by Subject of 2011
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%) |
Crack UPSC with your
Personal AI Mentor
An AI-powered ecosystem to learn, practice, and evaluate with discipline
