Quiz 632: General Science for SSC Examinations

1.The power of a lens is measured in :
[A]diopters
[B]aeon
[C]lumen
[D]candela

diopters


2.Which one of the following types of Laser is used in Laser Printers?
[A]Semiconductor laser
[B]Excimer Laser
[C]Dye Laser
[D]Gas Laser

Semiconductor laser


3.Albert Einstein was awarded Nobel Prize for his path-breaking research and formulation of the:
[A]Theory of Relavitity
[B]Laws of Photo-Electric Effect
[C]Principle of Wave-Particle Duality
[D]Theory of Critical Opalescence

Laws of Photo-Electric Effect


4.The instrument that measures arterial blood pressure is known as :
[A]Pyknometer
[B]Hypsometer
[C]Sphygmoscope
[D]Sphygmomanometer

Sphygmomanometer


5.L.P.G. is a hydrocarbon consisting of a mixture of :
[A]Methane and Butane
[B]Propane and Butane
[C]Ethane and Propane
[D]Ethane and Butane

Propane and Butane


6.Gammaxene, D.D.T. and Bleaching powder are important compounds of :
[A]Chlorine
[B]Nitrogen
[C]Sulphur
[D]Phosphorus

Chlorine


7.’Amalgam’ is a term used for an alloy of a metal with :
[A]Copper
[B]Mercury
[C]Lead
[D]Aluminium

Mercury


8.Which of the following substances undergo ‘sublimation’ on heating?
1.Iodine
2.Napthalene
3.Camphor
[A]1 and 2
[B]1 and 3
[C]2 and 3
[D]All of them

All of them


9.Consider the following Statements:
1.Radon is the heaviest gas.
2.Astatine is the rarest element on the earth.
3.Graphite which is a non-metal is also an electrical conductor.
Which among the above Statement(s) is/are correct?
[A]Only 2
[B]1 and 2
[C]2 and 3
[D]1, 2 and 3

1, 2 and 3


10.’Penicillin’ which is used as an antibiotic is obtained from :
[A]Bacteria
[B]Fungi
[C]Algae
[D]Lichens

Fungi


11.News websites deliver customized ‘feeds’ of content to their readers via RSS, which stands for :
[A]Really Simple Syndication
[B]Real Social Syndication
[C]Registered Subscriber Syndication
[D]Really Simple Synchronization

Really Simple Syndication


12.Pest-resistant cotton commonly known as ‘Bt-Cotton’ is genetically engineered by inserting a gene from a:
[A]Bacterium
[B]Virus
[C]Microalgae
[D]Protist

Bacterium


13.Which among the following Statement(s) is/are correct regarding the technique of ‘Tissue Culture’?
1.It sometimes involves manipulation at the genetic level.
2.It is useful for the conservation of endangered species.
3.It has vast potential in obtaining disease free plant material.
[A]1 and 2
[B]2 and 3
[C]1, 2 and 3
[D]None of the above.

1, 2 and 3


14.’Anemophily’ is pollination by :
[A]Birds
[B]Wind
[C]Ants
[D]Bats

Wind
Abiotic pollination refers to situations where pollination is mediated without the involvement of other organisms. The most common form of abiotic pollination, anemophily, is pollination by wind. This form of pollination is predominant in grasses, most conifers, and many deciduous trees. Of the 20% of abiotically pollinated species, 98% are anemophilous and 2% hydrophilous, being pollinated by water.


15.The nutritional supplements Spirulina, Chorella and the Vitamin-C supplement, Dunaliella are actually :
[A]Algae
[B]Lichens
[C]Probiotics
[D]Bryophytes

Algae

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