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IASbaba ’60 Day Plan- Prelims Test 2016 SCIENCE & TECHNOLOGY & CURRENT AFFAIRS [DAY 41]

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IASbaba ’60 Day Plan’ – Prelims Test 2016 [Day 41]

 


Q.1) “Twinkle Twinkle little star”. Consider the following statements regarding twinkling of stars:

  1. The scientific name for the twinkling of stars is stellar scintillation.
  2. It is because of hot and cold cycles of the stars where it shines bright and low alternately. Although it takes millions of years for the cycles to complete on stars, it takes fraction of a second on earth to appear.

 Which of the above statement(s) is/are correct?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2


Q.2) Which of the following statements are correct about the phenomenon of Total Internal Reflection (TIR)?

  1. It is more efficient than normal reflection as light energy is not wasted by absorption at the interface.
  2. Optical fibers are based on the principle of Total Internal Reflection.
  3. The depth of the bottom under water appears relatively shallow than it actually is, because of TIR.

Select the code from below:

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above


Q.3) Tywin Lanister wanted to reshape the Valyrian steel sword of Eddard Stark. He started heating the sword in the furnace. As it was heated, the sword started glowing in different colours. At what colour do you think the temperature of the sword was maximum?

a) Red

b) Blue

c) Orange

d) Yellow


Q.4) Consider the following statements regarding Mercury:

  1. It is only metal which stays in liquid state at standard conditions of Temperature and Pressure.
  2. It is commonly known as ‘Quicksilver’
  3. It is used in thermometers and Barometers as it is a good conductor of Heat.
  4. It is used in fluorescent lighting lamps.

 Which of the above statements are correct?

a) 1,3 and 4

b) 1,2 and 4

c) 2,3 and 4

d) All of the above


Q.5) Indian Navy has successfully inducted ‘Varunastra’ a heavy weight anti-submarine Torpedo. Which of the following statements are correct about ‘Varunastra’?

  1. It has been jointly developed by India and Israel.
  2. It is capable of targeting stealthy and quiet submarines, both in deep and littoral waters in intense counter-measure environment.
  3. It has a GPS-based locating aid.
  4. it is capable of carrying Nuclear Warhead

Select the code from the following:

a) 1,2 and 3

b) 2 and 3

c) 2,3 and 4

d) All of the above


Q.6) Consider the following statements:

  1. When we breathe in, our diaphragm contracts.
  2. When we focus at a far object, our pupils dilate.

Which of the above statement(s) is/are incorrect?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2


Q.7) The rain bearing thick clouds are black/grey. What reason can be attributed to this?

a) They have a lot of dust particles and other impurities which gives them dark colour.

b) Sunlight is unable to penetrate these clouds. It is either scattered or absorbed. Hence they appear dark to an observer on earth.

c) Lightning burns the cloud to give them dark colour.

d) A cloud absorbs large quantities of NOx and SOx which are acidic in nature and gives the cloud their dark colour.


Q.8) In a bollywood movie, hero was chased by a villain. Villain shot him. The bullet hit the hero and got stuck in the body. After looking at the wound, the doctor said “because the bullet got stuck in the body, it has spread the poison”.

What does this spreading of ‘poison’ by bullet mean?

a) The bullet tips are poisoned to kill the target. When this poison touches the body it is spread quickly.

b) When the bullet is stuck in the body, the high kinetic energy of bullet gets converted into heat energy. Because of the generation of this immense heat, the surrounding area gets burnt.

c) The bullets are usually made of lead. When they get stuck in the body they cause lead poisoning.

d) Bullets have a tendency to react with blood. When they get stuck, they get more time to react and cause poisoning in the blood stream.


Q.9)Light pollution, also known as ‘photopollution’, has emerged as a new menace for the environment. Which of the following statements are correct about it?

  1. Excessive brightening of the night sky by street lights and other man made sources is called light pollution.
  2. Artificial lights overpower the darkness and affect the natural day-night pattern putting pressure on biological process of plants and animals.
  3. It obstructs the vision of night sky.

Select the code from the following:

a) 1 only

b) 1 and 3

c) 2 and 3

d) All of the above


Q.10) Consider the following statements regarding JUNO mission of NASA:

  1. JUNO stands for Jupitor Near Polar Orbitor.
  2. It is the first mission to Jupitor by NASA.
  3. The orbitor will study Jupitor’s composition, gravity field, magnetic field, and polar magnetosphere.

Which of the above statements are correct?

a) 1 and 3

b) 1 and 2

c) 2 and 3

d) All of the above


Q.11) The National Green Tribunal issued notices to Union Health, environment and water resource ministries seeking ban on the use of ‘microplastics’. Which of the following statements regarding microplastics are correct?

  1. It is used to describe plastic particles with the upper size limit of 5 micro meters.
  2. It is widely used in cosmetics as exfoliating agents and in personal care products such as toothpastes, facewash etc.
  3. They are small enough to flow through sewer systems and end up in seas and oceans.
  4. They are highly non-biodegradable.

Select the code from the following:

a) 1,2 and 3

b) 2,3 and 4

c) 1,3 and 4

d) All of the above


Q.12) Nano-architecture is a breakthrough in the field of material science. Consider the following statements regarding Nano-Architecture:

  1. It is creation of precise city plans and building models at nano-scale.
  2. These are the Materials whose structures can be precisely tailored so they are strong yet flexible and extremely light.
  3. These are ceramics which are non brittle and if produced on large scale can replace composites.

Which of the above statements are correct?

a) 1 only

b) 2 and 3

c) 1 and 3

d) All of the above


Q.13) Which of the following is the correct order for air passing through the lungs?

a) trachea, alveoli, bronchi, bronchioles

b) bronchus, alveoli, trachea, bronchioles

c) trachea, bronchus, bronchiole, alveoli

d) bronchus, trachea, bronchioles, alveoli


Q.14) Light waves are composed of both electric and magnetic field is proposed by

a) Newton’s corpuscular theory

b) Huygen’s wave theory

c) Maxwell’s theory of light

d) Plank’s theory of light


Q.15) Match List-I with List-II and select the correct answer using the code given below the Lists :

List – I                          List – II

a) centrifugal force          1) Along the axis of rotation

b) Centripetal force         2) Towards the centre of rotation

c) Tangential force           3) Away from centre of rotation

d) Angular velocity          4) changes the angular velocity

Choose the appropriate code:

    A-B-C-D

a) 3-2-4-1

b) 2-3-4-1

c) 2-3-1-4

d) 3-2-1-4


Q.16) A stone is thrown straight upward and at the top of its trajectory its velocity is momentarily zero.

image

What is its acceleration at this point?

a) Unable to determine

b) Zero

c) 8 m/s2 down

d) 8 m/s2 up


Q.17) When would a human body be most likely to respire anaerobically?

a) When watching TV

b) When running a marathon

c) When asleep

d) When eating


Q.18)Match List-I with List-II and select the correct answer using the code given below the Lists :

List —I                         List —II

  1. Static friction                      1) Constant for a given pair of surfaces
  2. Limiting friction                2) lndependent of area of contact
  3. Kinetic friction                   3) SeIf adjusting
  4. Rolling friction                   4) Has the least magnitude for a given normal reaction

Choose the appropriate code:

    A-B-C-D

a) 4-2-4-3

b) 4-1-3-2

c) 2-3-1-4

d) 3-1-2-4


Q.19) India has set a new record by injecting 20 satellites in one launch using PSLVC34 rocket. Which of the following countries have sent their satellites in this launch apart from India?

  1. US
  2. Canada
  3. Germany
  4. France
  5. Indonesia

Select the code from following:

a) 1,2,3 and 4

b) 1,2,3 and 5

c) 2,3,4 and 5

d) All of the above


Q.20) Consider a battleship simultaneously firing two shells (with the same muzzle velocity) at two enemy ships A and B, as shown in figure below:

1

If the shells follow the parabolic trajectories shown in the figure, which ship gets hit first?

a) A

b) B

c) both at the same time

d) need more information


Q.21) Consider the following statements about an Indian city:

  1. It is known as a city of thousand temples.
  2. The city has been an important centre for advanced studies in Jainism and Buddhism in the past.
  3. It is situated on the banks of R. Vegavathy.

Identify the city that matches the description stated above:

a) Puducherry

b) Thanjavur

c) Kanchipuram

d) Madurai


Q.22) Identify the ‘Report’ based on the following observations:

  1. The report states that the cost of adapting to a changing climate will be four to five times higher than what was estimated two years ago.
  2. It has highlighted India’s intense and frequent heat waves, and has stated that the annual costs associated with additional demand for cooling (in India) would escalate further.
  3. The Report includes a more in-depth review of national-level cost estimates (bottom-up studies), and global-level, sector specific estimates, while providing additional global-level model estimates (top-down estimates)
  4. It is an annual report and was first published in the year 2014 by UNEP.

Choose the correct answer:

a) The Energy Report & Living Planet Report

b) Adaptation Gap Report

c) Report on Regular Resources

d) Global Environment Outlook


Q.23) Consider the following statements about the sport ‘Jallikattu’—

  1. It is a bull taming sport and is organised during Pongal.
  2. It is native to the state of Tamil Nadu and has been in practice since Sangam age.
  3. Eruthattam is another name for Jallikattu.

Choose the incorrect statement/s from the options given below:

a) Only 1

b) Both 1 and 3

c) Both 2 and 3

d) Only 3


Q.24) Recently National Mineral Exploration Policy was cleared. Consider the following statements about (NMEP)—

  1. Of India’s entire Obvious Geological Potential (OGP) area, identified by GSI, only 10 per cent has been explored and mining is undertaken in 1.5-2 per cent of this area.
  2. The revenue-sharing of the government and the private entities would strictly be in the form of lump-sum, to be paid throughout the period of mining lease with non-transferable rights.
  3. Mining leases (ML) and prospecting license-cum-mining lease (PL-cum-ML) will be granted only through an auction process.

Choose the incorrect statement/s from the option given below:

a) Only 2

b) Only 3

c) Both 1 and 2

d) Both 2 and 3


Q.25) Identify the other name coined for Annual Meeting of the New Champions—

a) Summer Dove

b) Human Capital Summit

c) Summer Davos

d) Economic Champions Summit

                                                        


 

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