Daily Quiz 21 January 2025
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Question 1 of 5
1. Question
1 pointsConsider the following statements:
- India shares its longest land border with Bangladesh.
- Seven Indian States share its border with Bangladesh.
Which of the statements given above is/are correct?
Correct
Answer: A
Explanation:
- Statement 1 is correct: India shares 4096.7 Km of its land border with Bangladesh.
- The border lengths with each country is given below:
- Bangladesh-4,096.7
- China-3,488
- Pakistan-3,323
- Nepal-1,751
- Myanmar-1,643
- Bhutan-699
- Afghanistan-106
Statement 2 is not correct: West Bengal, Assam, Meghalaya, Tripura and Mizoram are the States which share the border with Bangladesh. So, only five Indian States share their land border with Bangladesh.
Incorrect
Answer: A
Explanation:
- Statement 1 is correct: India shares 4096.7 Km of its land border with Bangladesh.
- The border lengths with each country is given below:
- Bangladesh-4,096.7
- China-3,488
- Pakistan-3,323
- Nepal-1,751
- Myanmar-1,643
- Bhutan-699
- Afghanistan-106
Statement 2 is not correct: West Bengal, Assam, Meghalaya, Tripura and Mizoram are the States which share the border with Bangladesh. So, only five Indian States share their land border with Bangladesh.
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Question 2 of 5
2. Question
1 pointsConsider the following statements about growing plants in space:
- Plants can help recycle carbon dioxide and organic waste, contributing to a closed-loop life support system.
- Microgravity facilitates the downward growth of plant roots, ensuring efficient nutrient absorption.
- Aeroponics is a method of growing plants in space that uses soil as a medium.
Which of the above statements is/are correct?
Correct
Answer: A
Explanation:
- Statement 1 is correct: Since plants release oxygen during photosynthesis, growing them in space can help keep the air aboard spacecraft breathable. Plants can recycle carbon dioxide and organic waste, creating a closed-loop life support system.
- Statement 2 is not correct: The most significant challenge of growing plants in space is microgravity, the condition in which people or objects appear to be weightless. The lack of gravity precludes plants’ roots from growing downwards, in addition to making nutrient delivery a difficult task. Since water tends to cling to any surface it touches in microgravity, when sprayed onto the base of a plant, it does not trickle down to the roots where it would be absorbed.
Statement 3 is not correct: Plants can also be grown aeroponically, which eliminates the need for soil or any other medium. This method reduces water usage by 98%, fertiliser usage by 60%, and eliminates the need for pesticides altogether. Plants grown in aeroponic systems have been shown to absorb more minerals and vitamins, making them healthier and potentially more nutritious.
Incorrect
Answer: A
Explanation:
- Statement 1 is correct: Since plants release oxygen during photosynthesis, growing them in space can help keep the air aboard spacecraft breathable. Plants can recycle carbon dioxide and organic waste, creating a closed-loop life support system.
- Statement 2 is not correct: The most significant challenge of growing plants in space is microgravity, the condition in which people or objects appear to be weightless. The lack of gravity precludes plants’ roots from growing downwards, in addition to making nutrient delivery a difficult task. Since water tends to cling to any surface it touches in microgravity, when sprayed onto the base of a plant, it does not trickle down to the roots where it would be absorbed.
Statement 3 is not correct: Plants can also be grown aeroponically, which eliminates the need for soil or any other medium. This method reduces water usage by 98%, fertiliser usage by 60%, and eliminates the need for pesticides altogether. Plants grown in aeroponic systems have been shown to absorb more minerals and vitamins, making them healthier and potentially more nutritious.
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Question 3 of 5
3. Question
1 pointsKokborok, recently seen in the news, is:
Correct
Answer: C
Explanation:
- Option C is correct: Kokborok is a language of Borok people who are geographically known as Tripuris. It is one of the state languages of Tripura notified on January 19, 1979.
- The Kokborok is now comprising 17 nos Language Code among the 47 Language Code in India according to the 6th All India Educational Survey. There are also 99 no languages having no language code as well.
The Borok or Tripuris are the branch of Boro people of Assam belonging to the Sino-Tibetan linguistic group and racially Mongoloids. The British Historians has recognized this people as Tibeto-Burmise linguistic group.
Incorrect
Answer: C
Explanation:
- Option C is correct: Kokborok is a language of Borok people who are geographically known as Tripuris. It is one of the state languages of Tripura notified on January 19, 1979.
- The Kokborok is now comprising 17 nos Language Code among the 47 Language Code in India according to the 6th All India Educational Survey. There are also 99 no languages having no language code as well.
The Borok or Tripuris are the branch of Boro people of Assam belonging to the Sino-Tibetan linguistic group and racially Mongoloids. The British Historians has recognized this people as Tibeto-Burmise linguistic group.
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Question 4 of 5
4. Question
1 pointsConsider the following pairs:
Sl.No. Frontline combatants Description 1. INS Nilgiri Lead ship of the Project 17A class frigates 2. INS Surat Ship of the Project 15B class destroyers 3. INS Vaghsheer Submarine of the Scorpene-class project How many of the above pairs are correctly matched?
Correct
Answer: C
Explanation:
- Pairs 1, 2 and 3 are correctly matched: Recently, the Indian Navy commissioned three frontline combatants into its fleet: INS Nilgiri, the lead ship of the Project 17A class frigates; INS Surat, the fourth and final ship of the Project 15B class destroyers; and INS Vaghsheer, the sixth and final submarine of the Scorpene-class project.
- All three platforms have been constructed entirely at Mazagon Dock Shipbuilders Limited (MDL), Mumbai.
- Nilgiri and Surat can operate a range of helicopters, including Chetak, ALH, Sea King, and the newly inducted MH-60R, during both day and night operations. Features such as a Rail-Less Helicopter Traversing System and a Visual Aid and Landing System ensure seamless operations under all conditions. Both ships were designed by the Indian Navy’s Warship Design Bureau.
Incorrect
Answer: C
Explanation:
- Pairs 1, 2 and 3 are correctly matched: Recently, the Indian Navy commissioned three frontline combatants into its fleet: INS Nilgiri, the lead ship of the Project 17A class frigates; INS Surat, the fourth and final ship of the Project 15B class destroyers; and INS Vaghsheer, the sixth and final submarine of the Scorpene-class project.
- All three platforms have been constructed entirely at Mazagon Dock Shipbuilders Limited (MDL), Mumbai.
- Nilgiri and Surat can operate a range of helicopters, including Chetak, ALH, Sea King, and the newly inducted MH-60R, during both day and night operations. Features such as a Rail-Less Helicopter Traversing System and a Visual Aid and Landing System ensure seamless operations under all conditions. Both ships were designed by the Indian Navy’s Warship Design Bureau.
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Question 5 of 5
5. Question
1 pointsConsider the following statements:
- Fermions make up matter and bosons mediate the forces between matter.
- Electrons and protons are categorised as bosons.
- Dirac fermions are fermions that may or may not have mass but are always different from their anti-particles.
How many of the above statements are correct?
Correct
Answer: B
Explanation:
- Since the start of the 20th century, physicists have discovered a veritable zoo of subatomic particles. Matter can be both wave and particle. If you take the particle route, these subatomic particles are what you could say the universe and everything in it is made of. There are many ways to further categorise them.
- Statement 1 is correct: Fermions make up matter and bosons mediate the forces between matter.
- There are the particles whose quantum state changes when you swap them, and those that don’t. The first kind are called fermions: they are the constituents of matter and the very reason why matter is matter (i.e. why it is stable, at least to some degree). The second kind are bosons and they are the mediators of the forces between material objects.
- Statement 2 is not correct: electrons and protons are fermions whereas photons are bosons.
Statement 3 is correct: Fermions can be further classified as Dirac or Majorana fermions. Dirac fermions are fermions that may or may not have mass but are always different from their anti-particles. Majorana fermions are fermions that are also their own antiparticles (neutrinos are suspected to be Majorana fermions).
Incorrect
Answer: B
Explanation:
- Since the start of the 20th century, physicists have discovered a veritable zoo of subatomic particles. Matter can be both wave and particle. If you take the particle route, these subatomic particles are what you could say the universe and everything in it is made of. There are many ways to further categorise them.
- Statement 1 is correct: Fermions make up matter and bosons mediate the forces between matter.
- There are the particles whose quantum state changes when you swap them, and those that don’t. The first kind are called fermions: they are the constituents of matter and the very reason why matter is matter (i.e. why it is stable, at least to some degree). The second kind are bosons and they are the mediators of the forces between material objects.
- Statement 2 is not correct: electrons and protons are fermions whereas photons are bosons.
Statement 3 is correct: Fermions can be further classified as Dirac or Majorana fermions. Dirac fermions are fermions that may or may not have mass but are always different from their anti-particles. Majorana fermions are fermions that are also their own antiparticles (neutrinos are suspected to be Majorana fermions).
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