The device that confirms the presence of electric charge:
(A) Dynamo
(B) Electroscope
(C) Ammeter
(D) Cryotron
Which of the following is the lightest element?
(A) Helium
(B) Mercury
(C) Hydrogen
(D) Platinum
The time period of a vibrating body is 0.04s, then the frequency of the wave is___.
(A) 25Hz
(B) 20Hz
(C) 250Hz
(D) 200Hz
Which of the following energy varies with the height of an object?
(A) Nuclear energy
(B) Kinetic energy
(C) Chemical energy
(D) Potential energy
Which of the following is incorrect?
(A) Oncology - Study of Cancer
(B) Numismatics – Stamps
(C) Ornithology- Study of birds
(D) Osteology - Study of bones
Which polymer is used to manufacture the cabinets of radio and TV?
(A) Polyvinyl Chloride
(B) Polystyrene
(C) Bakelite
(D) Nylon
Which instrument is used to record Atmospheric pressure?
(A) Thermometer
(B) Barometer
(C) Seismometer
(D) Oscilloscope
Which statement is are correct about D.N.A. ?
(A) It is mainly found in nucleus
(B) It contains uracil in place of thymine.
(C) It bring the message from R.N.A.
(D) Present in ribosome.
What is the product formed when sodium bicarbonate is heated strongly?
(A) Sodium Peroxide
(B) Sodium Monoxide
(C) Sodium Carbonate
(D) Sodium Hydroxide
Which of the following is not a major source of proteins?
(A) Fish
(B) Gram
(C) Soyabean
(D) Wheat
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