Everyday Science — All MCQs

Correct Answer: D

Chromosomes are made up of DNA and Proteins. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: D

Chronometer is invented by John Harrison. Historical scientific accounts credit this person, place, or event with the development described.

Correct Answer: C

Circadian Rhythm refers to Human body cycles. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: B

Classification of Animals and Plants on the basis on chromosome number is called Taxonomy. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: B

Clocks, which moves with the velocities comparable with the velocity of light, run: slow. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.

Correct Answer: A

Clotting of blood vessels is called: Thrombosis. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: A

Cobalt is a material which is Strongly attracted by a magnet. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Coke is made by heating coal in the absence of air at 1300 °C. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Correct Answer: B

Coldest point in atmosphere is Mesopause. Its geographic position or physical characteristics account for the description given.

Correct Answer: C

The glow in a discharge tube depends on the gas inside it. Excited atoms of each gas emit characteristic wavelengths as their electrons return to lower energy levels.

Correct Answer: B

Combustion can not take place without Air. The other listed choices share the property in the question, while this choice does not.

Correct Answer: A

Comets are made mostly of Ice and dust. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Comets are made mostly of ice and dust. As comets get close to the sun, they start to melt and release what: Gas and dust. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Comets are often called what: Dirty snowballs. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: D

Common food sources of Vitamin an are: Both an and C. Vitamins support specific metabolic and physiological functions, and their properties determine their sources, solubility, and deficiency effects.

Correct Answer: C

Communication satellites are in which orbit: Geostationary. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Composition of Ozone layer: O3. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Constellations referred to as zodiac, are Imaginary regions that encompass the path of the planets. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Cooking gas is mixture of which two gases: Methane and oxygen. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Copper can be converted into gold by: Artificial radioactivity. This description follows from the defining characteristics and established facts associated with the subject.