Explore topic-wise MCQs in General Knowledge.

This section includes 1315 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

1301.

________ extinguishes fire._x005F_x000D_

A. o2
B. co2
C. So2
D. No2
Answer» C. So2
1302.

............. elements have the largest atoms

A. F
B. O
C. H
D. Li
Answer» E.
1303.

........... elements are present in the sixth period of the modern periodic table._x005F_x000D_  _x005F_x000D_

A. 32
B. 18
C. 33
D. 8
Answer» B. 18
1304.

............ element is represented by the given symbol._x005F_x000D_

A. Hydrogen
B. Mercury
C. Carbon
D. Gold
Answer» C. Carbon
1305.

.......... element has two orbits that are completely filled._x005F_x000D_

A. He
B. Ar
C. Kr
D. Ne
Answer» E.
1306.

........ does NOT contain carbonyl group._x005F_x000D_

A. Aldehyde
B. Carboxyl acid
C. Ketone
D. Ethanol
Answer» E.
1307.

_______contributes towards global warming so it is called a greenhouse gas._x005F_x000D_

A. Oxygen
B. Nitrogen
C. Hydrogen
D. Methane
Answer» E.
1308.

______ decreases the rate of setting of cement.

A. Alumina
B. Silica
C. Gypsum
D. Magnesium oxide
Answer» D. Magnesium oxide
1309.

........... compound is used as a drying agent.

A. Calcium oxide
B. Calcium carbide
C. Gypsum
D. Calcium carbonate
Answer» B. Calcium carbide
1310.

______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.

A. Polar
B. Metallic
C. Ionic
D. Covalent
Answer» E.
1311.

______ bond holds the atoms together within a water molecule.

A. Nonpolar covalent
B. Polar covalent
C. Ionic
D. Co­-ordinate
Answer» C. Ionic
1312.

____ are atoms/molecules/ions containing the same number of electrons._x005F_x000D_

A. Isotones
B. Isotopes
C. Isoelectronic
D. Valence Isoelectronic_x005F_x000D_
Answer» D. Valence Isoelectronic_x005F_x000D_
1313.

........... as is used as an illuminating gas.

A. Methyl
B. Propane
C. Butene
D. Ethyne
Answer» C. Butene
1314.

_______________ of a material is defined as the minimum amount of the work necessary to remove a free electron from the surface of the material.

A. The electro-repulsive force
B. The coulomb factor
C. The power factor
D. The work function
Answer» E.
1315.

_______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration.

A. Diffusion
B. Osmosis
C. Active Transport
D. Passive Transport
Answer» D. Passive Transport