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
a lot of thanx to you sir for this website