0 of 20 questions completed Questions: Welcome to Insights Secure Prelims – 2014 initiative. The following questions are based on current events that appear in PIB (Public Information Bureau) and from some important newspapers. To view Solutions, follow these instructions: Click on – ‘Start Quiz’ button Solve Questions Click on ‘Quiz Summary’ button Click on ‘Finish Quiz’ button Now click on ‘View Questions’ button – here you will see solutions and links.Quiz-summary
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Question 1 of 20
1. Question
A free-floating astronaut ‘A’ pushes another free-floating astronaut ‘B’ in space. The mass of ‘A’ is greater than that of ‘B’. The force exerted by the astronaut ‘A’ on the astronaut ‘B’ will be
Correct
Equal to the force exerted by ‘B’ on ‘A’.
http://quest.arc.nasa.gov/space/teachers/suited/6work.html
One of the great advantages of working in space is that objects, including the astronauts themselves, have no apparent weight. Regardless of the weight of an object on Earth, a single crew member can move and position that object in orbit with ease provided the crew member has a stable platform from which to work.
The physics of working in space is the same as that of working on Earth. All people and things contain matter and consequently have mass. Because of that mass, they resist any change in motion. Physicists refer to that resistance as inertia. The greater the mass, the greater the inertia.
Like on Earth, to change the motion of objects in space requires an application of force. How much the object moves is explained in part by Sir Isaac Newton’s Third Law of Motion. The law states that a force causing an object to move one way is met with an equal and opposite force in the other direction. The law is more familiarly stated as, “For every action there is an opposite and equal reaction.” The consequence of this law in space is important. A simple Earth task, such as turning a nut with a wrench, can become quite difficult in space because the astronaut- and not the nut- may turn.
Application of force on Earth is easy because we plant our feet firmly on the ground. We can lift heavy objects upward because the equal and opposite force is directed downward through our legs and feet to Earth itself. Earth’s inertia is so great that its response to the downward force is infinitesimal. In space, on the other hand, astronauts do not have the advantage of having a planet to stand on to absorb the equal and opposite force during work activities. As explained in the Third Law of Motion, pushing on an object causes the object and the crew member to float away in opposite directions. The rates at which the crew member and the object float away from each other is determined by their respective masses. For example, a massive satellite will move away much more slowly than the less massive astronaut pushing on it. To gain advantage over objects, the spacesuited crew member must be braced, through foot restraints, by a stable platform, such as a massive and actively stabilized Shuttle orbiter or International Space Station.
Incorrect
Equal to the force exerted by ‘B’ on ‘A’.
http://quest.arc.nasa.gov/space/teachers/suited/6work.html
One of the great advantages of working in space is that objects, including the astronauts themselves, have no apparent weight. Regardless of the weight of an object on Earth, a single crew member can move and position that object in orbit with ease provided the crew member has a stable platform from which to work.
The physics of working in space is the same as that of working on Earth. All people and things contain matter and consequently have mass. Because of that mass, they resist any change in motion. Physicists refer to that resistance as inertia. The greater the mass, the greater the inertia.
Like on Earth, to change the motion of objects in space requires an application of force. How much the object moves is explained in part by Sir Isaac Newton’s Third Law of Motion. The law states that a force causing an object to move one way is met with an equal and opposite force in the other direction. The law is more familiarly stated as, “For every action there is an opposite and equal reaction.” The consequence of this law in space is important. A simple Earth task, such as turning a nut with a wrench, can become quite difficult in space because the astronaut- and not the nut- may turn.
Application of force on Earth is easy because we plant our feet firmly on the ground. We can lift heavy objects upward because the equal and opposite force is directed downward through our legs and feet to Earth itself. Earth’s inertia is so great that its response to the downward force is infinitesimal. In space, on the other hand, astronauts do not have the advantage of having a planet to stand on to absorb the equal and opposite force during work activities. As explained in the Third Law of Motion, pushing on an object causes the object and the crew member to float away in opposite directions. The rates at which the crew member and the object float away from each other is determined by their respective masses. For example, a massive satellite will move away much more slowly than the less massive astronaut pushing on it. To gain advantage over objects, the spacesuited crew member must be braced, through foot restraints, by a stable platform, such as a massive and actively stabilized Shuttle orbiter or International Space Station.
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Question 2 of 20
2. Question
Which of the following is/are true of bonded labour?
(1) It is forced employment in consideration of an advance or interest payment
(2) It is employment arising out of any customary or social or hereditary obligation or by reason of birth in any caste or community involved in pledging labour
(3) It is for any economic consideration involving loss of freedom of contract leading to forced employment
Choose the correct answer from the codes given below:
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Question 3 of 20
3. Question
A boy carved his initials on the-bark of a tree at a height of 2.5 m above the ground when the tree was 5 m tall. In 10 years the tree attained a height of 15 m. The initials carved by the boy 10 years ago will now be found
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Question 4 of 20
4. Question
Who among the following Bhakti leaders used the medium of dance and songs (Kirtans) to make one feel the personal presence of god near him?
Correct
Chaitanya Mahaprabhu
Incorrect
Chaitanya Mahaprabhu
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Question 5 of 20
5. Question
On the Moon, astronauts inflate a rubber balloon with hydrogen gas and release it at a height of 2 metres. The balloon will
Correct
Fall down
As far as the balloon’s concerned you need two things to make a balloon float. First you need an atmosphere for it to float in. The second thing you need is gravity. That’s because the reason why a balloon floats is that the balloon itself is less dense than the air around it so gravity pulls on the air around it more than the balloon. The air around it actually tries to push underneath the balloon. That forces the balloon up and makes it float. Unfortunately the moon hasn’t got an atmosphere at all. Therefore you’re missing one of the two things that you need to make a balloon float. In that case a balloon on the moon wouldn’t float at all. It would just land on the floor.
http://www.thenakedscientists.com/HTML/questions/question/2173/
Incorrect
Fall down
As far as the balloon’s concerned you need two things to make a balloon float. First you need an atmosphere for it to float in. The second thing you need is gravity. That’s because the reason why a balloon floats is that the balloon itself is less dense than the air around it so gravity pulls on the air around it more than the balloon. The air around it actually tries to push underneath the balloon. That forces the balloon up and makes it float. Unfortunately the moon hasn’t got an atmosphere at all. Therefore you’re missing one of the two things that you need to make a balloon float. In that case a balloon on the moon wouldn’t float at all. It would just land on the floor.
http://www.thenakedscientists.com/HTML/questions/question/2173/
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Question 6 of 20
6. Question
Akbar found the Din-i-Ilahi primarily to
Correct
Establish a national religion which would be acceptable to both the Muslims and the Hindus.
Incorrect
Establish a national religion which would be acceptable to both the Muslims and the Hindus.
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Question 7 of 20
7. Question
Which of the following statements are true of the Congress Socialist Party ?
(1) It was a forum for various kinds of Socialists in India.
(2) It was a rival organisation of Indian National Congress.
(3) It championed the cause of workers and peasants.
Choose the correct answer from the codes given below:
Correct
1 and 3 only
The Congress Socialist Party (CSP) was founded in 1934 as a socialist caucus within the Indian National Congress[INC]. Its members rejected what they saw as the anti-rational mysticism of Mohandas Karamchand Gandhi as well as the sectarian attitude of the Communist Party of India towards the Congress Party. Influenced by Fabianism as well asMarxism-Leninism, the CSP included advocates of armed struggle or sabotage (such as Jai Prakash Narayan and Basawon Singh (Sinha) as well as those who insisted uponahimsa or nonviolent resistance (such as Acharya Narendra Deva). The CSP advocated decentralized socialism in which co-operatives, trade unions, independent farmers, and local authorities would hold a substantial share of the economic power. As secularists, they hoped to transcend communal divisions through class solidarity. Some, such as Narendra Deva or Basawon Singh (Sinha), advocated a democratic socialism distinct from both Marxism and reformist social democracy.
Incorrect
1 and 3 only
The Congress Socialist Party (CSP) was founded in 1934 as a socialist caucus within the Indian National Congress[INC]. Its members rejected what they saw as the anti-rational mysticism of Mohandas Karamchand Gandhi as well as the sectarian attitude of the Communist Party of India towards the Congress Party. Influenced by Fabianism as well asMarxism-Leninism, the CSP included advocates of armed struggle or sabotage (such as Jai Prakash Narayan and Basawon Singh (Sinha) as well as those who insisted uponahimsa or nonviolent resistance (such as Acharya Narendra Deva). The CSP advocated decentralized socialism in which co-operatives, trade unions, independent farmers, and local authorities would hold a substantial share of the economic power. As secularists, they hoped to transcend communal divisions through class solidarity. Some, such as Narendra Deva or Basawon Singh (Sinha), advocated a democratic socialism distinct from both Marxism and reformist social democracy.
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Question 8 of 20
8. Question
Match the columns :
List 1 List 2 A. Rig Veda 1. Musical hymns B. Yajur Veda 2. Hymns and rituals C. Sama Veda 3. Charms and spells D. Atharva Veda 4. Hymns and prayers Correct
A B C D- 4 2 1 3
Incorrect
A B C D- 4 2 1 3
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Question 9 of 20
9. Question
Match the columns :
List 1 List 2 A. Karsondas Mulji 1. Tatvabodhini Patrika B. Dadabhai Naoroji 2. Satya Prakash C. Debendranath Tagore 3. Fight for legal status to Parsi women D. Henry Vivian Derozio 4. Peasant Movement 5. Did not believe in existence of god -
Question 10 of 20
10. Question
Match the columns :
List 1 List 2 A. Amaravati 1. Hoysalas B. Aihole 2. Cholas C. Thanjavur 3. Satavahanas D. Halebid 4. Chalukyas 5. Pandyas Correct
A B C D -3 4 2 1
Incorrect
A B C D -3 4 2 1
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Question 11 of 20
11. Question
Match the columns :
List 1 (State) List 2(Soil) A. Maharashtra 1. Alluvial B. Karnataka 2. Lateritic C. Uttar Pradesh 3. Red D. Assam 4. Black Correct
A B C D – 4 3 1 2
Incorrect
A B C D – 4 3 1 2
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Question 12 of 20
12. Question
Assertion (A):
Detergents can easily remove oil and dirt from soiled garments.
Reason (R):
Detergents increase the surface tension of water.
Correct
A is true but R is false
Detergents are primarily surfactants, which could be produced easily from petrochemicals. Surfactants lower the surface tension of water, essentially making it ‘wetter’ so that it is less likely to stick to itself and more likely to interact with oil and grease.
Incorrect
A is true but R is false
Detergents are primarily surfactants, which could be produced easily from petrochemicals. Surfactants lower the surface tension of water, essentially making it ‘wetter’ so that it is less likely to stick to itself and more likely to interact with oil and grease.
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Question 13 of 20
13. Question
If there were no organic life on the Earth, the amount of oxygen in the atmosphere will
Correct
Remain unchanged.
Why did oxygen levels rise? Cyanobacteria, the first organisms capable of producing oxygen through photosynthesis, emerged well before the first step up in atmospheric oxygen concentrations, perhaps as early as 2.7 billion years ago. Their oxygen output helped to fill up the chemical sinks, such as iron in soils, that removed oxygen from the air. But plant photosynthesis alone would not have provided enough oxygen to account for this increase, because heterotrophs (organisms that are not able to make their own food) respire oxygen and use it to metabolize organic material. If all new plant growth is consumed by animals that feed on living plants and decomposers that break down dead plant material, carbon and oxygen cycle in what is essentially a closed loop and net atmospheric oxygen levels remain unchanged .
For More: http://www.learner.org/courses/envsci/unit/text.php?unit=1&secNum=6
Incorrect
Remain unchanged.
Why did oxygen levels rise? Cyanobacteria, the first organisms capable of producing oxygen through photosynthesis, emerged well before the first step up in atmospheric oxygen concentrations, perhaps as early as 2.7 billion years ago. Their oxygen output helped to fill up the chemical sinks, such as iron in soils, that removed oxygen from the air. But plant photosynthesis alone would not have provided enough oxygen to account for this increase, because heterotrophs (organisms that are not able to make their own food) respire oxygen and use it to metabolize organic material. If all new plant growth is consumed by animals that feed on living plants and decomposers that break down dead plant material, carbon and oxygen cycle in what is essentially a closed loop and net atmospheric oxygen levels remain unchanged .
For More: http://www.learner.org/courses/envsci/unit/text.php?unit=1&secNum=6
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Question 14 of 20
14. Question
Ice skating can be used to demonstrate that when ice is under pressure, its
Correct
Melting point is lowered
http://sciencecity.oupchina.com.hk/npaw/student/supplementary/1a-mp_pressure.asp
Most liquids under increased pressure freeze at higher temperatures because the pressure helps to hold the molecules together. However, the strong hydrogen bonds in water make it different: For some pressures higher than 1 atm (0.10 MPa), water freezes at a temperature below 0 °C. The melting of ice under high pressures is thought to contribute to the movement of glaciers.
In the case of skating, the ice at the top level melts. The ice beneath it remains solid. This can happen only when the melting point of ice is lowered.
This lessens the friction for the ice skates thus allowing ice skating.
Incorrect
Melting point is lowered
http://sciencecity.oupchina.com.hk/npaw/student/supplementary/1a-mp_pressure.asp
Most liquids under increased pressure freeze at higher temperatures because the pressure helps to hold the molecules together. However, the strong hydrogen bonds in water make it different: For some pressures higher than 1 atm (0.10 MPa), water freezes at a temperature below 0 °C. The melting of ice under high pressures is thought to contribute to the movement of glaciers.
In the case of skating, the ice at the top level melts. The ice beneath it remains solid. This can happen only when the melting point of ice is lowered.
This lessens the friction for the ice skates thus allowing ice skating.
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Question 15 of 20
15. Question
There are more anti-bacterial drugs than anti-viral drugs because
Correct
Viral diseases are intra-cellular.
Though option (D) is also correct, for this question, (B) is the most appropriate answer.
Most of the antiviral drugs now available are designed to help deal with HIV, herpes viruses, the hepatitis B and C viruses, and influenza A and B viruses. Researchers are working to extend the range of antivirals to other families of pathogens.
Designing safe and effective antiviral drugs is difficult, because viruses use the host’s cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism’s cells. Moreover, the major difficulty in developing vaccines and anti-viral drugs is due to viral variation.
Incorrect
Viral diseases are intra-cellular.
Though option (D) is also correct, for this question, (B) is the most appropriate answer.
Most of the antiviral drugs now available are designed to help deal with HIV, herpes viruses, the hepatitis B and C viruses, and influenza A and B viruses. Researchers are working to extend the range of antivirals to other families of pathogens.
Designing safe and effective antiviral drugs is difficult, because viruses use the host’s cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism’s cells. Moreover, the major difficulty in developing vaccines and anti-viral drugs is due to viral variation.
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Question 16 of 20
16. Question
A boat filled with some stones is floating in water. If the stones are dropped into the water, the level of the water will
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Question 17 of 20
17. Question
Jainism differed from Buddhism in which of the following aspects ?
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Question 18 of 20
18. Question
Which of the following is not a feature of Gandhara School of Art ?
Correct
It resulted in the origination of Hinayanism
Hinayanism is old Buddha religion. Mahayna is the new form- idol worship, brahmanic practices, rituals etc.
Several Kushan rulers worshipped both Shiva and Buddha. Several worshipped Vishnu. Some were converted to Vaishnavism.
Amaravati School of art The third type of sculpture art that Flourished during the Kushana time was Amaravati School of art in the Andhra Pradesh. White Marble was used in this art and the themes were Buddha’s life and Jatakas tales. The curly hairs of Buddha is a feature that is influenced by the Greeks. In this school, the Kings, Princes, Palaces etc. have got prominence.
Gandhara school – Buddha hair – Graeco Roman style
Mathura also produced images of Mahavira. Ignored Krishna even though mathura was his birth place.
Incorrect
It resulted in the origination of Hinayanism
Hinayanism is old Buddha religion. Mahayna is the new form- idol worship, brahmanic practices, rituals etc.
Several Kushan rulers worshipped both Shiva and Buddha. Several worshipped Vishnu. Some were converted to Vaishnavism.
Amaravati School of art The third type of sculpture art that Flourished during the Kushana time was Amaravati School of art in the Andhra Pradesh. White Marble was used in this art and the themes were Buddha’s life and Jatakas tales. The curly hairs of Buddha is a feature that is influenced by the Greeks. In this school, the Kings, Princes, Palaces etc. have got prominence.
Gandhara school – Buddha hair – Graeco Roman style
Mathura also produced images of Mahavira. Ignored Krishna even though mathura was his birth place.
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Question 19 of 20
19. Question
Which of the following is cold ocean current ?
Correct
Labrador
Incorrect
Labrador
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Question 20 of 20
20. Question
Twelve constellations referred to as zodiac are
Correct
Imaginary region that encompass the path of the planets.
Incorrect
Imaginary region that encompass the path of the planets.
Leaderboard: Insights Secure Prelims - 2014
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