everyday science MCQs – Page 42

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 Review each marked answer and report any item that may be outdated or unclear.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
821. The chemical used as a fixer in photography is__________?
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A. sodium thiosulphate

B. sodium sulphate

C. borax

D. ammonium sulphate

822. Which of the following plants are called arthrophytes?
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A. Sphenopsids

B. Psilopsids

C. Pteropsids

D. Lycopsids

823. Nephology is study of_____________?
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A. Rain

B. Knowledge

C. Clouds

D. None

824. The human blood is divided into__________ groups?
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A. Two groups

B. Four groups

C. Three groups

D. Five groups

825. Which one of the following gases is readily soluble in water at room temperature?
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A. Ammonia

B. Nitrogen

C. Carbon dioxide

D. Chlorine

826. Insufficient blood supply in human body is referred as___________?
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A. Hemorrhage

B. Hemostasia

C. Hyperemia

D. Ischemia
827. Which metal is added to steel to make it stainless steel?
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A. Chromium

B. Aluminium

C. Copper

D. Carbon

828. Which of the following is the SI unit of volume?
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A. Meter cube

B. mm cube

C. Cm cube

D. Km cube

829. Which of the following is the most toxic gas?
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A. Carbon dioxide

B. Carbon monoxide

C. Hydrogen

D. Nitrogen

830. Study of energy production in living bodies is called_________?
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A. Biology

B. Aerodynamics

C. Bioenergetics

D. Biomechanics

831. Earth is divided into following three layers?
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A. Trenches, Mountains, Core

B. Crust, Mountains, Oceans

C. Crust, Mantel, Core

D. Crust, Mantle, Trenches

832. Enology is the study of____________?
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A. Kidneys

B. None

C. Digestion

D. Wine
833. What causes mumps?
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A. Fungus

B. Deficiency of vitamins

C. Bacterium

D. Virus
834. Which layer of the atmosphere reflects radio waves back to the earths surface?
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A. Ionosphere

B. Troposphere

C. Stratosphere

D. Ozone layer

835. The alloy of aluminium used for making magnet is_________?
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A. Alnico

B. Y-Alloy

C. Duralumin

D. Aluminium bronze

836. Mohs Scale is used to indicate the_________?
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A. Degree of brittleness of a substance

B. Degree of elasticity of a material

C. Degree of hardness of minerals

D. Degree of viscosity of a liquid

837. Which of the following slows down the formation of RBCs (Red Blood Cells)?
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A. Vitamin B-1

B. Vitamin D

C. Vitamin C

D. Vitamin E
838. Why are soft drink made with chilled water rather than water at room temperature?
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A. Chilled water enhances the taste

B. Chilled water attracts more carbon dioxide

C. Chilled water is more hygienic

D. Ingredients dissolve better in chilled water

839. Beaufort Scale is used to measure____________?
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A. Wind Velocity

B. Humidity

C. Air Pressure

D. Wind Direction

840. Calcium sulphate is known as__________?
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A. Blue vitriol

B. Potash alum

C. Gypsum salt

D. Epsom salt