General MCQs

Correct Answer: B

Rusting of iron is an oxidation process. Iron loses electrons while reacting with oxygen and moisture, forming hydrated iron oxides known as rust.

Correct Answer: A

Saccharine is made up of Toluene. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Safe moisture content for the storage of cereals is 14%. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Saffron is obtained from which among the following parts of the plant Stigma. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: D

Sagittarius-A, the Blackhole at the centre of the Milky Way Galaxy is at a distance of 25640 Lightyears. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: B

Salinization is Accumulation of salts in soil. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Saliva contains Amylases. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Saliva helps in the digestion of: Starch. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Scalding with steam is more severe than scalding by boiling water because Steam contains more energy than boiling water. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Science is derived from Latin word scientia” which means Knowledge. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Science which deals with the position and movement of heavenly bodies: Astronomy. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Scientific Name of Human is Homo sapiens. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Scientific study of the Algae is known as Phycology. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: C

Salt water freezes at a slightly lower temperature than fresh water. Dissolved salts depress the freezing point by interfering with the formation of the ice crystal structure.

Correct Answer: B

Second name of ethyl alcohol is Ethanol. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Sedimentary rocks are formed by natural process known as: Lithification. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: B

Seed Coat is also called Testa. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: C

Segmented Worms take breath through: Moist Skin. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: D

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy: radio, infrared, visible, ultraviolet, x-ray, gamma ray. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Sensitive layer of the eye is Retina. This description follows from the defining characteristics and established facts associated with the subject.