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MCQOPTIONS
This section includes 64577 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 2101. |
By chemical means chemical elements cannot be broken down into |
| A. | non-metals |
| B. | metals |
| C. | none |
| D. | smaller substances |
| Answer» E. | |
| 2102. |
The oxidation of food in our body keeps us |
| A. | strong |
| B. | warm |
| C. | All of Above |
| D. | active |
| Answer» C. All of Above | |
| 2103. |
CH3CONH2 is formula for |
| A. | alkyl |
| B. | amine |
| C. | ethanamide |
| D. | methanamide |
| Answer» D. methanamide | |
| 2104. |
CFCs are not |
| A. | toxic |
| B. | flammable |
| C. | harmful |
| D. | both a and b |
| Answer» E. | |
| 2105. |
Elements get more electronegative going across |
| A. | groups |
| B. | periods |
| C. | columns |
| D. | rows |
| Answer» C. columns | |
| 2106. |
The number of sigma bonds in a benzene is |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 4 |
| Answer» B. 2 | |
| 2107. |
The specific shape of enzyme molecules accommodate reactant molecules at their |
| A. | initial state |
| B. | active site |
| C. | All of Above |
| D. | final state |
| Answer» C. All of Above | |
| 2108. |
Aluminum oxide acts as a base when it reacts with |
| A. | alkali |
| B. | water |
| C. | base |
| D. | acid |
| Answer» E. | |
| 2109. |
Pressure in gases is due to |
| A. | Bombardment of molecules on the base of container |
| B. | Bombardment of molecules on walls of container |
| C. | The atmosphere |
| D. | Collision of molecules in the container |
| Answer» C. The atmosphere | |
| 2110. |
Elements of d block are good conductors of |
| A. | electricity |
| B. | heat |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 2111. |
The symbol for acceleration is |
| A. | t |
| B. | a |
| C. | v |
| D. | a |
| E. | |
| Answer» C. v | |
| 2112. |
As the intermolecular bonds are formed, the thermal energy is |
| A. | released |
| B. | absorbed |
| C. | destroyed |
| D. | stored |
| Answer» B. absorbed | |
| 2113. |
At a clinic, a doctor had a thermometer which was unmarked. The thermometer had l |
| A. | −10 °C |
| B. | 10 °C |
| C. | −20 °C |
| D. | 20 °C |
| Answer» B. 10 °C | |
| 2114. |
The process in which thermal energy is transferred by the emission of infrared radiations is termed as |
| A. | Convection |
| B. | Conduction |
| C. | Conduction and Radiation |
| D. | Radiation |
| Answer» E. | |
| 2115. |
Aromatic compounds are called as |
| A. | benzenes |
| B. | arenes |
| C. | alkenes |
| D. | cyclic alkenes |
| Answer» C. alkenes | |
| 2116. |
Nitrogen deficiency can be traced in plants by its |
| A. | yellow leaves |
| B. | stunted growth |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 2117. |
For a simple pendulum, the relation between the periodic time 'T', the length of the pendulum 'l' and the acceleration due to gravity 'g' is given by |
| A. | T = 2π ( l ⁄ g ) |
| B. | T = 2π ( l ⁄ sqrt(g) ) |
| C. | None of the above |
| D. | T = 2π sqrt(l) ⁄ g |
| Answer» D. T = 2π sqrt(l) ⁄ g | |
| 2118. |
Kelvin was the name of a |
| A. | river |
| B. | fish |
| C. | beach |
| D. | city |
| Answer» B. fish | |
| 2119. |
Carboxylic acids shows all typical reactions due to presence of excess |
| A. | OH-ions |
| B. | H+ions |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 2120. |
Which of these metals are hydrolyzed most vigorously? |
| A. | Ca |
| B. | Be |
| C. | Ba |
| D. | Sr |
| Answer» D. Sr | |
| 2121. |
Excessive addition of acid or alkalis cannot be handled by |
| A. | unsaturated solution |
| B. | saturated solution |
| C. | super saturated solution |
| D. | buffer solution |
| Answer» E. | |
| 2122. |
The continuous motion of these tiny particles (atoms) is termed as |
| A. | kinetic model of matter |
| B. | potential model of atoms |
| C. | kinetic model of atoms |
| D. | potential model of matter |
| Answer» B. potential model of atoms | |
| 2123. |
A long chain made up of small repeating units is a |
| A. | isomer |
| B. | polymer |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 2124. |
The less amount of attraction between nucleus and outer electrons is due to |
| A. | shielding effect increases |
| B. | increase in distance |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 2125. |
The reduction in solubility of dissolved salt is gained by addition of solution of compound which has an ion common with that of dissolved salt it is |
| A. | ion reaction |
| B. | common ion effect |
| C. | compound reduction |
| D. | reduction of ion |
| Answer» C. compound reduction | |
| 2126. |
The organic molecules containing hydroxyl group are called |
| A. | alcohols |
| B. | esters |
| C. | ethane |
| D. | aldehydes |
| Answer» B. esters | |
| 2127. |
The property of thermetic substances used by the thermometer to measure temperature is |
| A. | The physical property |
| B. | The chemical property |
| C. | the repulsion property |
| D. | The resistance property |
| Answer» B. The chemical property | |
| 2128. |
Upon dissolving Ca(OH) |
| A. | alkaline |
| B. | acidic |
| C. | None of Above |
| D. | Catalyst |
| Answer» B. acidic | |
| 2129. |
Phenol is |
| A. | crystalline solid |
| B. | solid |
| C. | liquid |
| D. | gas |
| Answer» B. solid | |
| 2130. |
Ceramics bears the properties of |
| A. | hard |
| B. | high melting and boiling point |
| C. | All of Above |
| D. | chemically unreactive |
| Answer» D. chemically unreactive | |
| 2131. |
The rate of reaction in cm3 of gas per second can be calculated by measuring |
| A. | pressure |
| B. | volume of gas |
| C. | moles of gas |
| D. | density |
| Answer» C. moles of gas | |
| 2132. |
The change in the energy between a chemical reaction and the surroundings at constant temperature is called |
| A. | enthalpy |
| B. | enthalpy change |
| C. | none |
| D. | enthalpy profile |
| Answer» C. none | |
| 2133. |
Consider the reaction: SiCl |
| A. | white precipitate |
| B. | pink precipitate |
| C. | red precipitate |
| D. | blue precipitate |
| Answer» B. pink precipitate | |
| 2134. |
The electronegativity of Mg is |
| A. | 0.9 |
| B. | 1.2 |
| C. | 1.5 |
| D. | 1.8 |
| Answer» C. 1.5 | |
| 2135. |
The silicon (IV) oxide which is found in mineral quartz is very similar to |
| A. | diamond |
| B. | graphite |
| C. | copper |
| D. | iron |
| Answer» B. graphite | |
| 2136. |
Chlorate ion is the |
| A. | reducing agents |
| B. | oxidizing agents |
| C. | all of them |
| D. | bleaching agent |
| Answer» E. | |
| 2137. |
In liquids that particles are |
| A. | regularly packed |
| B. | firmly packed |
| C. | far apart |
| D. | irregularly packed |
| Answer» E. | |
| 2138. |
Turning effect of force is termed as |
| A. | action of torque |
| B. | action of force |
| C. | moment of torque |
| D. | unstable action of force |
| Answer» D. unstable action of force | |
| 2139. |
The systemic name for early anesthetic, chloroform is |
| A. | dichloromethane |
| B. | trichloromethane |
| C. | chlorate |
| D. | tetra methane |
| Answer» C. chlorate | |
| 2140. |
A precipitate will be formed if an unknown compound is added in dilute |
| A. | silver nitrate |
| B. | nitric acid |
| C. | sulfuric acid |
| D. | both a and b |
| Answer» E. | |
| 2141. |
Electromagnetic waves are |
| A. | longitudinal waves |
| B. | transverse waves |
| C. | reversal waves |
| D. | latitudinal waves |
| Answer» C. reversal waves | |
| 2142. |
If an object of mass 20 kg accelerates at the rate of 2ms |
| A. | 22 N |
| B. | 18 N |
| C. | 20 N |
| D. | 10 N |
| Answer» D. 10 N | |
| 2143. |
Addition of acid to indicator will shift the equilibrium towards |
| A. | left |
| B. | right |
| C. | down |
| D. | up |
| Answer» B. right | |
| 2144. |
Nitrous acid is made in test tube because it is |
| A. | unstable |
| B. | stable |
| C. | none |
| D. | unreactive |
| Answer» B. stable | |
| 2145. |
Catalysts which can be used for synthesis of ammonia includes |
| A. | ruthenium |
| B. | iron |
| C. | all of them |
| D. | osmium |
| Answer» D. osmium | |
| 2146. |
Disproportionation refers to |
| A. | self reduction |
| B. | self oxidation |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 2147. |
A large protein for muscles is built up from our food for |
| A. | muscles |
| B. | brain |
| C. | nails |
| D. | bones |
| Answer» B. brain | |
| 2148. |
An object has E |
| A. | 1250 m |
| B. | 20 m |
| C. | 125000 m |
| D. | 2 m |
| Answer» E. | |
| 2149. |
The formation of ammonium NH |
| A. | electrovalent bonds |
| B. | covalent bonds |
| C. | double covalent bonds |
| D. | dative covalent bonds |
| Answer» E. | |
| 2150. |
Process of forcing out nylon from nozzles in to long fibers is called |
| A. | substitution polymerization |
| B. | addition polymerization |
| C. | cold drawing |
| D. | condensation polymerization |
| Answer» D. condensation polymerization | |