Q. Which was the first Internet service in India?
1) Advanced Research Projects Agency Network
2) Education and Research Network
3) INDNET
4) HINDNET
Q. The inventor of printing press was -
1) Marshall McLuhan
2) Ts' ai Lun
3) Johann Guttenberg
4) Frederic Barbier
Q. Who coined the term Biodiversity?
1) B. P. Singh
2) Karl Mobius
3) Sir A. G. Tansley
4) Walter G. Rosen
Q. What is the difference between Bluetooth and Wi-Fi devices?
1) Bluetooth uses 2.4 GHz radio frequency band, whereas-Wi-Fi can use 2.4 GHz or 5 GHz frequency band.
2) Bluetooth is used for Wireless Local Area Networks (WLAN) only, whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only.
3) When information is transmitted between two devices using Blue-tooth technology, the devices have to be in the line of sight of each other, but when Wi-Fi technology is used the devices need not be in the line of sight of each other
4) The statements (A) and (B) given above are correct in this context
Q. What is the difference between a CFL and an LED lamp? (2011)
1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semiconductor material.
2. The average life span of a CFL is much longer than that of an LED lamp.
3. A CFL is less energy-efficient as compared to an LED lamp.
Which of the statements given above is/ are correct?
1) 1 only
2) 2 and 3 only
3) 1 and 3 only
4) 1, 2 and 3
Q. What is Aditya-L1 that is often mentioned in news?
1) Rover sent to Mars by Indian Space Research Organisation (ISRO)
2) Half-humanoid developed by ISRO for mission Gaganyaan.
3) ISRO's first scientific expedition to study the Sun.
4) ISRO's first telescope to study the outer atmosphere of Sun.
Q. You buy a bottle of packed water on a street and end up emptying the bottle. What will you do?
1) Will keep the bottle and dispose in a garbage bin
2) Will throw it as you go along
3) Will throw it in a drain
4) Will find a dirty place and throw it there
Q. Energy conservation is very important today because -
1) Sources of conventional energy are fast debleting
2) Electrical energy has become more expensive
3) Electrical energy consumption is increasing
4) None of the above
Q. Which one of the following is known as Earth Summit?
1) United Nations Framework Convention on Climate change
2) United Nations Conference on Environment and Development
3) Convention on Biological Diversity
4) None of the above
Q. First World climate conference was organised in -
1) 1978 in Geneva
2) 1979 in Geneva
3) 1980 in Geneva
4) 1977 in Geneva
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