science & tech MCQ section 6 Practice Questions Answers Test with Solutions & More Shortcuts
science & tech PRACTICE TEST [7 - EXERCISES]
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science & tech MCQ section 6
science & tech MCQ section 7
Question : 16 [SSC SO 2007]
Of the following Indian satellites, which one is intended for long distance telecommunications for transmitting TV programmes ?
a) Aryabhata
b) Rohini
c) Bhaskara
d) INSAT-A
Answer »Answer: (d)
INSAT or the Indian National Satellite System is a series of multipurpose Geostationary satellites launched by ISRO to satisfy the telecommunications, broadcasting, meteorology, and search and rescue operations. Commissioned in 1983, INSAT is the largest domestic communication system in the Asia Pacific Region.
The Indian National Satellite (INSAT) system was commissioned with the launch of INSAT1B in August 1983 (INSAT-1A, the first satellite was launched in April 1982 but could not fulfil the mission).
INSAT system ushered in a revolution in India’s television and radio broadcasting, telecommunications and meteorological sectors. It enabled the rapid expansion of TV and modern telecommunication facilities to even the remote areas and off-shore islands.
Question : 17
Which of the following diseases are vector-borne diseases?
- Dengue
- Filariasis
- Yellow fever
- Chikungunya
- Tuberculosis
a) 2, 3 and 5 only
b) 1, 2, 3 and 4 only
c) 1, 2 and 4 only
d) 1 and 5 only
Answer »Answer: (b)
Tuberculosis is not a vector-borne disease as it is not transmitted by the bite of an anthropoid
Question : 18
Genetically engineered bacteria is used for production of
a) penicillin
b) insulin
c) glucagon
d) all of the above
Answer »Answer: (b)
Genetically engineered bacteria is used for production of insulin. On 5th July 1983, the American firm Eli Lilly launched humulin (1st genetically engineered human insulin).
Question : 19
Which of the following statement(s) is/are correct regarding report- “Scientific Assessment of Ozone Depletion”?
- The report has been prepared by the World Meteorological Organisation (WMO) and United Nations Environment Programme (UNEP).
- Agreements such as Montreal Protocol are helping to recover ozone in the stratosphere.
- The Ozone depletion is greater over Arctic zone than over Antarctic zone
a) 2 and 3 only
b) 1 and 3 only
c) 1 and 2 only
d) All of these
Answer »Answer: (c)
The ozone depletion over Antarctic zone is more severe than in the Northern hemisphere.
Question : 20
INS Sumitra has been recently commissioned in the Indian Navy. Which of the following does not belong to the same class as INS Sumitra?
a) INS Sunayna
b) INS Sumedha
c) INS Saryu
d) INS Shivalik
Answer »Answer: (d)
INS Shivalik does not belong to a 105-metre class of Naval Offshore Patrol Vehicle (NOPV)but is a stealth multi-role frigate.
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