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Question 1 of 5
1. Question
1 pointsThe 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?
Correct
https://www.civilsdaily.com/news/scientific-management-of-mangroves-is-need-of-the-hour/
Options A b and c are totally unrealistic and obviously illogical
Many mangrove forests can be recognized by their dense tangle of prop roots that make the trees appear to be standing on stilts above the water. This tangle of roots allows the trees to handle the daily rise and fall of tides, which means that most mangroves get flooded at least twice per day. The roots also slow the movement of tidal waters, causing sediments to settle out of the water and build up the muddy bottom.
Mangrove forests stabilize the coastline, reducing erosion from storm surges, currents, waves, and tides. The intricate root system of mangroves also makes these forests attractive to fish and other organisms seeking food and shelter from predators. Mangroves give protection to the coastline and minimize disasters due to cyclones and tsunami.
They perform important ecological functions like nutrient cycling, hydrological regime, coastal protection, fish-fauna production, etc.
Mangroves act as shock absorbers. They reduce high tides and waves and help prevent soil erosion.
Hence d is the correct option.Incorrect
https://www.civilsdaily.com/news/scientific-management-of-mangroves-is-need-of-the-hour/
Options A b and c are totally unrealistic and obviously illogical
Many mangrove forests can be recognized by their dense tangle of prop roots that make the trees appear to be standing on stilts above the water. This tangle of roots allows the trees to handle the daily rise and fall of tides, which means that most mangroves get flooded at least twice per day. The roots also slow the movement of tidal waters, causing sediments to settle out of the water and build up the muddy bottom.
Mangrove forests stabilize the coastline, reducing erosion from storm surges, currents, waves, and tides. The intricate root system of mangroves also makes these forests attractive to fish and other organisms seeking food and shelter from predators. Mangroves give protection to the coastline and minimize disasters due to cyclones and tsunami.
They perform important ecological functions like nutrient cycling, hydrological regime, coastal protection, fish-fauna production, etc.
Mangroves act as shock absorbers. They reduce high tides and waves and help prevent soil erosion.
Hence d is the correct option. -
Question 2 of 5
2. Question
1 pointsBangladesh, Bhutan, India, and Nepal (BBIN) signed a Motor Vehicles Agreement for the Regulation of Passenger, Personal and Cargo Vehicular Traffic. Which of the following country is yet to accord its ratification of the agreement?
Correct
https://www.civilsdaily.com/news/bhutan-govt-to-place-bill-for-ratification-of-bbin-initiative-at-its-upper-senate/
Bangladesh, Bhutan, India, and Nepal (BBIN) signed a Motor Vehicles Agreement for the Regulation of Passenger, Personal and Cargo Vehicular Traffic.
Aside from facilitating the cross-border movement of passengers and goods, the agreement is expected to “promote safe, economical efficient and environmentally sound road transport in the sub-region
It will help to create “an institutional mechanism for regional integration.”
Bangladesh, India and Nepal have implemented the agreement but Bhutan is yet to accord its ratification of the agreement.Incorrect
https://www.civilsdaily.com/news/bhutan-govt-to-place-bill-for-ratification-of-bbin-initiative-at-its-upper-senate/
Bangladesh, Bhutan, India, and Nepal (BBIN) signed a Motor Vehicles Agreement for the Regulation of Passenger, Personal and Cargo Vehicular Traffic.
Aside from facilitating the cross-border movement of passengers and goods, the agreement is expected to “promote safe, economical efficient and environmentally sound road transport in the sub-region
It will help to create “an institutional mechanism for regional integration.”
Bangladesh, India and Nepal have implemented the agreement but Bhutan is yet to accord its ratification of the agreement. -
Question 3 of 5
3. Question
1 pointsConsider the following statements regarding Cassini Mission.
1. Cassini mission is a cooperation between NASA, the European Space Agency and the Italian Space Agency.
2. Cassini–Huygens is an unmanned spacecraft sent to the planet Saturn.Which of the statement(s) is/are correct?
Correct
https://www.civilsdaily.com/news/saturns-moon-titan-has-100-m-deep-methane-lakes/
Launched in 1997, the Cassini mission is a cooperation between NASA, the European Space Agency and the Italian Space Agency.
It has sent back thousands of stunning images and made numerous discoveries about the ringed planet and its moons.
Cassini–Huygens is an unmanned spacecraft sent to the planet Saturn.
Cassini is the fourth space probe to visit Saturn and the first to enter orbit. Its design includes a Saturn orbiter and a lander for the moon Titan.
The lander, called Huygens, landed on Titan in 2005.Incorrect
https://www.civilsdaily.com/news/saturns-moon-titan-has-100-m-deep-methane-lakes/
Launched in 1997, the Cassini mission is a cooperation between NASA, the European Space Agency and the Italian Space Agency.
It has sent back thousands of stunning images and made numerous discoveries about the ringed planet and its moons.
Cassini–Huygens is an unmanned spacecraft sent to the planet Saturn.
Cassini is the fourth space probe to visit Saturn and the first to enter orbit. Its design includes a Saturn orbiter and a lander for the moon Titan.
The lander, called Huygens, landed on Titan in 2005. -
Question 4 of 5
4. Question
1 pointsWith reference to India’s satellite launch vehicles, consider the following statements:
1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites.
2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth.
3. GSLV Mk III is a four-staged launch l vehicle with the first and third stages l using solid rocket motors; and the second and fourth stages using liquid rocket engines.Correct
https://economictimes.indiatimes.com/news/science/cabinet-nod-to-gslv-ph-4-continuation-programme/articleshow/68899923.cms
ISRO developed PSLV to launch satellites into polar orbits and GSLV to launch geosynchronous satellites into geostationary orbits. Geostationary satellites orbit around the earth in 24 hours and since the earth rotates with the same period, the satellite would appear fixed from any point on earth. So, statement#2 is wrong. This eliminates option B and C.
GSLV is a 3-stage launch vehicle, where first 2 stages are similar to PSLV with same solid and liquid nature of fuel but the third stage is completely different, i.e., cryogenic stage. So third statement is WRONG. This eliminates B and D.
Thus we’re left with code a: only 1.Incorrect
https://economictimes.indiatimes.com/news/science/cabinet-nod-to-gslv-ph-4-continuation-programme/articleshow/68899923.cms
ISRO developed PSLV to launch satellites into polar orbits and GSLV to launch geosynchronous satellites into geostationary orbits. Geostationary satellites orbit around the earth in 24 hours and since the earth rotates with the same period, the satellite would appear fixed from any point on earth. So, statement#2 is wrong. This eliminates option B and C.
GSLV is a 3-stage launch vehicle, where first 2 stages are similar to PSLV with same solid and liquid nature of fuel but the third stage is completely different, i.e., cryogenic stage. So third statement is WRONG. This eliminates B and D.
Thus we’re left with code a: only 1. -
Question 5 of 5
5. Question
1 pointsIndia is an important member of the ‘International Thermonuclear Experimental Reactor’. If this experiment succeeds, what is the immediate advantage for India?
Correct
2016 UPSC Prelims
ITER is R&D on Nuclear fusion, which is safer, cleaner and inexhaustible source of energy. These are of prime consideration for India.Incorrect
2016 UPSC Prelims
ITER is R&D on Nuclear fusion, which is safer, cleaner and inexhaustible source of energy. These are of prime consideration for India.
Awesome Quiz. Thank you Civils daily