everyday science MCQs – Page 55

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
1081. A mixture of sand and naphthalene can be separated by ________ ?
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A. None of these

B. Sublimation

C. Fractional distillation

D. Chromatography

1082. Newtons Third Law of Motion?
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A. every action there is an equal and opposite reaction.

B. attraction or repulsion between two charges

C. volume of a given mass of gas increases or decreases

D. temperature remaining constant, volume of a given mass of a gas varies inversely

1083. Sleeping sickness in the natives of Africa is caused by________?
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A. Giardia

B. Trypanosoma

C. Leishmania

D. Trichomonas

1084. How many latitude lines are there?
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A. 270

B. 360

C. 180

D. 90

1085. The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Women.
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A. 3.4 to 6.8 million

B. 4.0 to 5.2 million

C. 3.2 to 7.2 million

D. 4.5 to 6.2 million

1086. Which of the following cutting conditions greatly affects the tool wear?
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A. Cutting speed

B. None of the above

C. Depth of cut

D. Feed

1087. What is the photometer?
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A. Measuring Size of Picture

B. Testing picture Quality

C. Checking colors and Pictures

D. Measuring light Intensity
1088. Another name of vitamin C is__________?
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A. Lysozyme

B. Citric Acid

C. Ascorbic Acid

D. Acitic Acid

1089. There is a hole in the Ozone Layer at__________?
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A. South Pole

B. North Pole

C. Both A and B

D. None of These

1090. What is the molecular weight of Ammonia (NH3) ________ ?
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A. 18.031 g/mol

B. 17.031 g/mol

C. 27.033 g/mol

D. 19.031 g/mol

1091. Day and night are the results of__________?
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A. Earth rotation accompanied with its revolution.

B. None of these

C. Earth rotation around its axis

D. Earth revolution

1092. Who discovered the Polio Vaccine?
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A. Jaber Ibn Hayan

B. Selman Waksman

C. Jonas Salk

D. None of these

1093. An example of rhizome is_________?
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A. Garlic

B. Tomato

C. Ginger

D. Carrot

1094. During rainy season Wooden doors are difficult to open or closure because of ________ ?
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A. Imbibition

B. Plasmolysis

C. Osmosis

D. Diffusion

1095. Non stick cooking utensils are coated with________?
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A. PVC

B. Teflon

C. Black paint

D. polystyrene

1096. The distance between the optical centre of a convex lens and its principal focus is called its_______?
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A. Magnification

B. Radius of Curvature

C. Focal Length

D. Power

1097. Pig iron is also called________?
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A. Cast iron

B. Wrought iron

C. Steel

D. Stainless steel

1098. The most suitable unit for expressing nuclear radius is_______?
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A. Nano meter

B. Angstrom

C. Fermi

D. Micro

1099. Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
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A. Boyles law

B. Grahams Law

C. Avogadros Law

D. Charles Law
1100. Blood does not coagulate inside the body due to the presence of___________?
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A. Heparin

B. Fibrin

C. Haemoglobin

D. Plasma