Q. What is a 'Solar Impulse 2'?
1) Solar-powered mobile phone
2) Solar-powered missile
3) Solar-powered submarine
4) Solar-powered plane
Q. Which one of the following pairs is not correctly matched?
1) Computer : Charles Babbage
2) Radio : Karl Benz
3) Barometer : E. Torricelli
4) Dynamo : Michael Faraday
Q. The communication satellites are invariably -
1) revolving at their own speed
2) stationary
3) geostationary
4) changing their track and speed
Q. Which of the following is not a biome?
1) Desert
2) Grassland
3) Ecosystem
4) Tundra
Q. Which of the following is not a pillar of much talked about 'Industry 4.0'?
1) Industrial Internet of Things
2) Use of solar power for manufacturing
3) Augmented Reality
4) Big Data Analytics
Q. Which of the following statements about optical microscope is/ are correct?
1. Both the eyepiece and objective of a microscope are convex lenses.
2. The magnification of a microscope increases with increase in focal length of the objective.
3. The magnification of a microscope depends upon the length of the microscope tube.
4. The eyepiece of a microscope is a concave lens.
Select the correct answer using the code given below :
1) 1 and 3
2) 3 only
3) 3 and 4
4) 1, 2 and 4
Q. Oparin's theory about "Origin of life" is related to :
1) biological evolution
2) artificial evolution
3) chemical evolution
4) physical evolution
Q. Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?
1) Joseph L. Proust
2) Democritus
3) Ernest Rutherford
4) Antoine L. Lavoisier
Q. The term Biomagnifications is referred to as -
1) increase in the body weight
2) uncontrolled growth of harmful organisms
3) accumulation of increasing amount of non-degradable pollutant through food chain
4) increase in the number of bacteria in a culture medium
Q. Which of the following was invented by Sir Humphry Davy ?
1) Safety Pin
2) Steam Engine
3) Safety Lamp
4) X-Rays
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 →
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 →
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 →
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 →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net