Everyday Science — All MCQs

Correct Answer: B

Lingxi-03, developed by Galaxy Space, was launched using a Long March-2D carrier rocket. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

Liquids which evaporate quickly are known as Volatile. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: A

Liver uses which vitamin for creating new Red Blood cells: B12. Vitamins support specific metabolic and physiological functions, and their properties determine their sources, solubility, and deficiency effects.

Correct Answer: D

Lock Jaw i. e. difficulty in opening the mouth, is a symptom of Tetanus. difficulty in opening the mouth, is a symptom ofTetanus. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Lunar eclipse occurs on Full Moon. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Lux is an unit of Illumination. This value follows from the standard definition or accepted conversion used for the quantity.

Correct Answer: D

Mach number is used in connection with the speed of aircraft. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Correct Answer: C

Magnalium is an alloy of Aluminium and Magnesium. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Magnifying power of a simple microscope can be increased by: Decreasing focal length of the lens. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.

Correct Answer: C

Magnitude of energy released by an earthquake is calculated using Richter scale. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Main and excessive part of plasma consists of Water. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Main constituent in air is Nitrogen. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Main Control System of our body is Nervous System. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Main use of salt in diet is to: produce small amount of hydrochloric acid required for digestion. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Malaria is a disease which effects the Spleen. The named agent or condition produces the characteristic biological changes associated with the disease.

Correct Answer: B

Male birds are More colorful than female birds. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: C

Marble and Slate are which type of rock: Metamorphic. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Mass of Earth is 5.972 × 1024 kg. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Mass spectrograph was Invented by: F. W. Aston. Historical scientific accounts credit this person, place, or event with the development described.

Correct Answer: A

Material for rain-proof coats and tents owe their water proof properties to Surface tension. This description follows from the defining characteristics and established facts associated with the subject.