Everyday Science — All MCQs

Correct Answer: C

Hydrogen 10% is element has the third most % in human body. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: B

Silicon is element is called earth maker. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: D

Heavy water is element is used as moderator in nuclear reactor. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Injection of heroine is form of drug abuse involves most risk of infection with the HIV (AIDS) virus. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Inner planets (Mercury, Venus, Earth, and Mars) is four planets are also called the terrestrial planets. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: D

All are conductors is from the following is NOT a conductor. The other listed choices share the property in the question, while this choice does not.

Correct Answer: A

Sound cannot travel through a vacuum is from the following is true for Sound”. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Ozone is gas does a Photocopier machine produce. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Helium is gas is commonly used in balloons and airships. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Nitrogen gas is Gas is included in Fry Chips Packets for safety. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Ethylene is gas is used for artificial ripening of green fruit. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Carbon Dioxide is gas is used in preparation of Soda water. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: B

Carbon dioxide is Gas is used in the preparation of Soft drinks. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Carbon Dioxide is gas is used to extinguish fire. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: B

Helium is gas was discovered on the sun about 151 years ago during total solar eclipse. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Pituitary is gland in the human body is called the master gland. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: B

Earthworm is group of animals has heterogametic females. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: C

Starch and sugar is group of compounds constitute carbohydrates. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Thyroxine is Harmone contain iodine. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Gastric Juice is has the lowest pH. This description follows from the defining characteristics and established facts associated with the subject.