Everyday Science — All MCQs

Correct Answer: A

The most abundant element in sea water is Chlorine. Its geographic position or physical characteristics account for the description given.

Correct Answer: A

The most abundant element in the Earth’s crust is Oxygen. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

The most abundant element in the universe is Hydrogen. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

The most brightest planet amongst the eight planets: Venus. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

The most dense and heaviest planet is Earth. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: D

The most densest substance on the Earth is Osmium. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

The most important function of perspiration is Regulate body temperature. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: B

The most important stimulant in tea leaves is Caffeine. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: A

The most pure form of carbon among these are Anthracite. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

The most splendid and the most magnificent constellation on the sky is Orion. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

The most suitable thermometer for measuring boiling point of water is Mercury Thermometer. This value follows from the standard definition or accepted conversion used for the quantity.

Correct Answer: D

The most suitable unit for expressing nuclear radius is Fermi. This value follows from the standard definition or accepted conversion used for the quantity.

Correct Answer: A

The movement of any solvent across a semipermeable membrane is called Osmosis. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: C

The movement of earth around sun brings Seasons. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

The muscles, tissues and blood all are made up of Proteins. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: C

The name of the common mineral salt present in sweat is Sodium Chloride. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

The natural fats and oils are composed of Carbon, Hydrogen and Oxygen. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

The natural source of hydrocarbon is: Crude oil. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

The nearest planet to the Earth is Venus. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

The nearest Star to the planet earth is Sun. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.