Everyday Science — All MCQs

Correct Answer: C

The Quantity of matter present in an object is its Mass. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: D

The radiant energy having lowest energy is Radio waves. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Correct Answer: D

The ratio of pure gold in 18 carat gold is 0.75. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: D

The reaction between methane and chlorine in diffused sunlight is Radical substitution. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

The rear view mirror of a motor vehicle is Convex. The effect results from the movement of charge or the interaction of electric and magnetic fields.

Correct Answer: A

The Reason for a Swimming Pool to appear Less Deep than the actual depth is Refraction. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: D

The red blood cells originate in the Bone Marrow. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: A

The Renaissance scientist who explained how planets moved around the sun was Kepler. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

The repetition of properties at regular intervals is called periodicity. In the periodic table, similar properties recur because valence-electron configurations repeat systematically.

Correct Answer: B

The respiratory problem common in smokers is Emphysema. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

The Rising” of the evening star” indicates the direction of the West. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

The rocks formed out of layers of sediment bonded together are known as Sedimentary rocks. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

The S. I. unit of refractive index is no unit. I. unit of refractive index is no unit. This value follows from the standard definition or accepted conversion used for the quantity.

Correct Answer: C

The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in 1 kg of sea water. Its geographic position or physical characteristics account for the description given.

Correct Answer: C

The Saturn rings discovered by Galileo. Historical scientific accounts credit this person, place, or event with the development described.

Correct Answer: A

The Saturn V rocket that took Apollo 11 to the moon in 1969 stood tall: 363-feet. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: A

The science which deals with study of manners and customs of people is Ethnology. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: B

The Scientific Study of Caves are know as Speleology. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: A

The scientific study of fingerprints is called Dactylography. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: B

The scientific study of insects is known as Entomology. The term is defined by the subject, process, or characteristic described in the question.