Everyday Science — All MCQs

Correct Answer: B

Stone is solid. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

kakapo is the flightless bird. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.

Correct Answer: B

Diamond is the hardest substance. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Hydrogen is the lightest substance. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.

Correct Answer: D

butane is the major constituents of LPG. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Tornado is the most severe storm. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Carbon monoxide is the most toxic gas. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Meter cube is the SI unit of volume. This value follows from the standard definition or accepted conversion used for the quantity.

Correct Answer: B

Femur is the strongest & longest bone of human body. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: A

Microbiology is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: A

White bellbird is the world’s loudest bird. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: B

Its density is greater at short distances from tplanetary surface in daytime and decreases as ionosphere rises at night-time, thereby allowing a greater range of radio frequencies to travel greater distances is true about Ionosphere. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Graphite is used as a lubricant. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: B

Stethoscope is used for hearing the sound of heart and lungs. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: C

Sulphur is used in beauty parlours for hair setting. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Graphite is used in Pencils. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Reverse Osmosis is used in water purification. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Cadmium is used to control rods in nuclear fission. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Ionosphere is layers make radio transmission possible. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Convex lens is lens are useful in microscope. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.