Q1. If lift is going up with acceleration, the apparent weight of a body is—
(a) may be more or less than true weight
(b) equal to the true weight
(c) less than the true weight
(d) more than the true weight
Q2. Force of attraction between the molecules of different substances is called—
(a) Surface tension
(b) Cohensive force
(c) Adhesive force
(d) None of above
Q3. Which have maximum number of isotopes?
(a) Bromine
(b) Aluminium
(c) Polonium
(d) Carbon
Q4. Contact lenses are made from?
(a) Polyvinyl chloride
(b) Teflon
(c) Polystyrene
(d) Lucite
Q5. The force which opposes the relative motion between different layers of liquid or gases is called—
(a) Critical Velocity
(b) Streamline Flow
(c) Terminal Velocity
(d) Viscous Force
Q6. The single acid which dissolves gold is?
(a) Aqua regia
(b) Hydrochloric acid
(c) Nitric acid
(d) Selenic acid
Q7. What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it?
(a) Elasticity
(b) Strain
(c) Elastic Limit
(d) Stress
Q8. What is metallurgy?
(a) process of extracting metal in pure form from its ore
(b) process of creating alloys of metals.
(c) process of making metals live long.
(d) None of above
Q9. Herbicides are used to control?
(a) Fungi
(b) Nematodes
(c) Weeds
(d) Insects
Q10. Cirrhosis is a disease that affects which among the following organs?
(a) Kidney
(b) Liver
(c) Pancreas
(d) Small Intestine
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