General Knowledge Question Answer: Science And Technology GK Questions and Answers

General Knowledge Science And Technology Questions, Science And Technology Quiz for Competitive Exams, Important Science And Technology MCQs for GK

Q. Consider the following statements -
1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent.
2. A person's genome can be edited before birth at the early embryonic stage.
3. Human induced pluripotent stem cells can be injected into the embryo of a pig.
Which of the statements given above is/ are correct?

1) 1 only
2) 2 and 3 only
3) 2 only
4) 1, 2 and 3

View Answer

Q. "The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft." The experiment in question refers to -
1) Voyager-2
2) New Horizons
3) LISA Pathfinder
4) Evolved LISA

View Answer

Q. 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?

1) 1 and 2 only
2) 2 and 3 only
3) 1 and 3 only
4) 1, 2 and 3

View Answer

Q. With reference to carbon nanotubes, consider the following statements -
1. They can be used as carriers of drugs and antigens in the human body.
2. They can be made into artificial blood capillaries for an injured part of human body.
3. They can be used in biochemical sensors.
4. Carbon nanotubes are biodegradable.
Which of the statements given above are correct?

1) 1 and 2 only
2) 2, 3 and 4 only
3) 1, 3 and 4 only
4) 1, 2, 3 and 4

View Answer

Q. In India, why are some nuclear reactors kept under IAEA Safeguards while others are not?
1) Some use uranium and others use thorium
2) Some use imported uranium and others use domestic supplies
3) Some are operated by foreign enterprises and others are operated by domestic enterprises
4) Some are State-owned and others are privately-owned

View Answer

Q. With reference to solar water pumps, consider the following statements -
1. Solar power can be used for running surface pumps and not for submersible pumps.
2. Solar power can be used for running centrifugal pumps and not the ones with piston.
What of the statements given above is/ are correct?

1) 1 only
2) 2 only
3) Both 1 and 2
4) Neither 1 nor 2

View Answer

Q. Which one of the following statements best describes the term Social Cost of Carbon?
It is a measure, in monetary value, of the -

1) long-term damage done by a tonne of CO2 emissions in a given year
2) requirement of fossil fuels for a country to provide goods and services to its citizens, based on the burning of those fuels
3) efforts put in by climate refugee to adapt to live in a new place
4) contribution of an individual person to the carbon footprint on the planet Earth

View Answer

Q. Which was the first Internet service in India?
1) Advanced Research Projects Agency Network
2) Education and Research Network
3) INDNET
4) HINDNET

View Answer

Q. The inventor of printing press was -
1) Marshall McLuhan
2) Ts' ai Lun
3) Johann Guttenberg
4) Frederic Barbier

View Answer

Q. Who coined the term Biodiversity?
1) B. P. Singh
2) Karl Mobius
3) Sir A. G. Tansley
4) Walter G. Rosen

View Answer

Career Scope in Interior Design

Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →

Commonwealth of Independent States (CIS)

Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →

What is Bitcoin?

In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →

Food Safety and Standards Authority of India (FSSAI)

Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →