A new optical disc format known as the Blu-ray disc is becoming popular. In what way is it different from the traditional DVD?
1. DVD supports standard definition video while Blu-ray disc supports high-definition video.
2. Compared to a DVD, the Blu-ray disc format has several times more storage capacity.
3. Thickness of Blu-ray discs is 2.4 mm while that of DVD is 1.2 mm.
Science and Technology
-
Emerging TechXIT
Science and Technology › Emerging TechXIT
Options
Answer
(B)
-
Emerging TechXSpace
-
Science and Technology › Emerging TechXSpace
Consider the following activities:
(1) Spraying pesticides on a crop field
(2) Inspecting the craters of active volcanoes
(3) Collecting breath samples from spouting whales for DNA analysis
At the present level of technology, which of the above activities can be successfully carried out by using drones?Options
Answer
(D)
-
Science and Technology › Emerging TechXSpace
For the measurement/estimation of which of the following are satellite images/remote sensing data used?
1. Chlorophyll content in the vegetation of a specific location
2. Greenhouse gas emissions from rice paddies of a specific location
3. Land surface temperatures of a specific locationSelect the correct answer using the code given below.
Options
Answer
(D)
-
Science and Technology › Emerging TechXSpace
Consider the following statements in respect of a jet engine and a rocket:
1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space.
2. A rocket carries its own supply of oxygen in the gas form, and fuel.Options
Answer
(C)
-
EVs
-
Genetics,Biotechnology
Science and Technology › Genetics,Biotechnology
Which of the following statements with regard to Genome India Project is/are correct?
1. It is a part of the Human Genome Project.
2. The project is funded by the Department of Biotechnology (DBT), Government of India.
3. Its primary aim is to build a catalogue of genetic diversity of the Indian population.Options
Answer
(b) 2 and 3 only
-
Science and Technology › Genetics,Biotechnology
Which of the following statements with regard to genetic medicine is/are correct?
1. Genetic medicines correct/compensate for the faulty genes responsible for disease.
2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine.
3. Genetic medicines alter the entire DNA sequence.Options
Answer
(c) 1 and 2 only