Quiz 564: General Science for Civil Services Examination 2012

1. Consider the following statements in context with the motion of the Sunflowers in response to Sun’s movement (Heliotropism):
1. The Phenomenon is more pronounced in grown up flowers in comparison to young buds
2. The Sodium Ions play a very important role in Heliotropism
3. Heliotropism is mostly ascribed to the “Blue” segment of Sun Light
Which among the above statements is/ are correct?
[A]Only 1 is correct
[B]Only 1 & 2 are correct
[C]Only 3 is correct
[D]All are correct


2. If an egg with shell is placed in a microwave oven, which among the following would most likely happen?
[A]The egg will not get warmed
[B]The egg will get cooked slowly similar to a boiled egg
[C]The egg shell will explode
[D]The egg shell becomes yellow


3. A tourist, who plans to visit a hill station located at very high altitude also wishes to take along his Television Set. In this context, consider the following:
1. LCD TV
2. Plasma TV
3. Cathode Ray Tube TV
Which among the above are expected to work properly at very high altitudes?
[A]Only 1
[B]1 & 2
[C]1 & 3
[D]2 & 3


4. When gasoline is blended with Ethanol then —
1. Octane number is raised
2. Energy content per volume is increased
3. The engine is less likely to suffer damage
Which among the above statements is/ are correct?
[A]Only 1
[B]1 & 2
[C]1 & 3
[D]1, 2 & 3


5. Consider the following observations about the new concept called “Virtual Water”:
1. A country which exports more food is likely to consume more Virtual water
2. Virtual Water has no direct relations with the Real water
3. Virtual water has major impacts on global trade policy
Which among the above statements is/ are correct?
[A]Only 1 is correct
[B]1 & 2 are correct
[C]2 & 3 are correct
[D]Only 3 is correct


6. Scientists use mice for experiments. Consider the following reasons of this:
1. Mice relatively reproduce quickly so many generations can be tracked in shorter times
2. The number of Chromosomes in Human and Mice is equal
3. Many DNA elements (genes) in human and mice are highly similar in their structure and function
Choose the correct statements:
[A]Only 1 is correct
[B]1 & 2 are correct
[C]1, 2 & 3 are correct
[D]1 & 3 are correct


7. Consider the following:
1. Trojans
2. Adware
3. Trackware
4. Keyloggers
In context with the everyday computer applications, which among the above can be classified as Spyware?
[A]1
[B]1 2
[C]1 2 3
[D]1 2 3 4


8. Consider the following statements:
1. International Space Station is stationary, when seen from Earth
2. An astronaut in International Space Station feels complete weightlessness
3. International Space Station is always in a state of Free fall
Which among the above statements is/ are correct?
[A]Only 1 is correct
[B]2 & 3 are correct
[C]Only 3 is correct
[D]1 , 2 & 3 are correct


9. Two Flat mirrors are placed at an angle of 60° from each other. How many images will be formed of a Candle placed in between them?
[A]3
[B]4
[C]5
[D]6


10. Consider the following statements in context with a gas:
1. This gas is widely used in the production of thin glass films of the LCD TV
2. This gas is a potential Green House Gas but has not been included in the Kyoto
Protocol
3. This gas , due to its potential role in the Global warming, has been termed as
“the missing greenhouse gas”
Identify the gas from the given options:
[A]Nitrous oxide
[B]Nitrogen trifluoride
[C]Halomethane
[D]Carbon tetrachloride


11. Consider the following:
1. Hydrofluorocarbons
2. Hydrochlorofluorocarbons (HCFCs)
3. Ammonia
4. Hydrogen
Which among the above are generally used in the Absorption refrigerators, used in warehouses?
[A]1, 2 & 3
[B]2, 3 & 4
[C]3 & 4
[D]3 Only


12. Four Metals viz. Gold (Au), Platinum (Pt), Rhodium (Rh) and Iridium (Ir) are not attacked by the Nitric Acid (HNO3) or Hydrochloric Acid (HCl), and thus are know as Noble metals. But the alchemists of the 14th century had discovered that if the mixed HNO3 and HCL in the ratio of 1:3 (Aqua regia), it would attack gold other noble metals and dissolve them. Presence of which among the following ions in chemical reaction
makes Aqua Regia such a powerful mixture?
[A]NO3-
[B]Cl-
[C]H3O+
[D]NO2-


13. Consider the following particles in relation to the matter:
1. π-Meson (Pi-meson)
2. Photon
Which among the above are considered to be mass less and charge less?
[A]Only 1
[B]Only 2
[C]Both 1 & 2
[D]Neither 1 nor 2


14. Consider the following statements about the X-Rays:
1. The Hard X-Rays have a shorter wavelength than the Soft X-Rays
2. The X-Rays are deflected by the Electric Field, but are not deflected by the Magnetic Field
3. X-Rays don’t show many properties of light such as Refraction, diffraction, Interference and Polarization
Which among the above statements is / are correct?
[A]Only 1 is correct
[B]Only 1 & 2 are correct
[C]Only 2 & 3 are correct
[D]All are correct


15. Consider the following statements about an elementary particle “Neutrino” and its antiparticle “antineutrino”:
1. While Neutrino had a positive charge, antineutrino has negative charge
2. Both Neutrino and Antneutrino have zero mass
Which among the above statements is/ are correct?
[A]Only 1
[B]Only 2
[C]Both 1 & 2
[D]Neither 1 nor 2

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Comments

  • Madurai Kalaichelvan
    Reply

    super selected topic of science

  • nitin
    Reply

    in 8th q if 3 is correct then 2 must be….

  • araditya21
    Reply

    in 8th question if 3 is correct then shouldn 2 also b correct?

  • GKToday
    Reply

    State of free fall does not mean complete weightlessness. There is always a microgravity environment on ISS. You must refer the wikipedia page.

  • katravath reddya
    Reply

    very nice all subject………..

  • harvendra
    Reply

    very nice matter………….

  • anant
    Reply

    but free falling body example in free falling lift one feels weightlessness

  • gurwinderkoti
    Reply

    gr8 ji….

  • arya
    Reply

    in 8th queston the 2nd option is wrong becoz its says complete weightlessness, nuts its not complete weightlessness that he feel