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Question 1/30
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The chemical properties of an element depend upon
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Question 2/30
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The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.
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Question 3/30
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Wave number is the number of wavelength that can be accommodated in ___ length
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Question 4/30
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Bronze is an alloy of
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Question 5/30
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Which one of the following minerals contains mostly silica?
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Question 6/30
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Which of the following is an example of sublimation?
I. Dry ice
II. Camphor
III. Ice
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Question 7/30
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Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as:
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Question 8/30
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The physical method commonly used to purify sea water is
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Question 9/30
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Oxygen has (+) oxidation number only in
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Question 10/30
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Which one of the following is also called Stranger Gas?
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Question 11/30
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What do you understand by turgor?
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Question 12/30
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Adamsia (Sea anemone), Pennatula (Sea-pen) are examples of which Phylum?
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Question 13/30
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Which of following is a good source of chromium?
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Question 14/30
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The later (second) formed primary xylem elements are called _____________.
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Question 15/30
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Gall bladder stones are deposits of
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Question 16/30
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Which of the following phenomena supposedly associated with global warming?
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Question 17/30
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Prawn heart carries
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Question 18/30
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Which of the following vitamins is necessary for clotting of blood?
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Question 19/30
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Which one of the following is the smallest endocrine gland in human body?
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Question 20/30
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In which part of desert plants, most of the photosynthesis takes place?
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Question 21/30
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In total internal reflection, the light travels from
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Question 22/30
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Electroscope was invented by
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Question 23/30
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What is the minimum distance (in metres) required to hear an echo?
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Question 24/30
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What is the S.I unit of universal gas constant?
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Question 25/30
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Peta suffix is used to denote what factor of 10?
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Question 26/30
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The purpose of choke in a fluorescent lamp is
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Question 27/30
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The characteristic invalid for heat radiation is that it travels:
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Question 28/30
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“The length of its day and the tilt of its axis are almost identical to those of the earth”. This is true of
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Question 29/30
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The force acting between two electric charges is related with____.
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Question 30/30
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Alcohol is used, when there is need to measure the temperature below?