MCQOPTIONS
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MCQOPTIONS
This section includes 634 Mcqs, each offering curated multiple-choice questions to sharpen your Boolean Algebra and Logic Simplification knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Transition elements are mostly used in construction materials because they are |
| A. | rigid |
| B. | hard |
| C. | flammable |
| D. | both a and b |
| Answer» E. | |
| 202. |
If there is an object of 50 grams and another object of 150 grams. The total mass would be |
| A. | 7500 grams |
| B. | 100 grams |
| C. | 300 grams |
| D. | 200 grams |
| Answer» E. | |
| 203. |
The barium metal is highly reactive hence it is stored under |
| A. | oil |
| B. | gas |
| C. | all of them |
| D. | water |
| Answer» B. gas | |
| 204. |
Functional groups in addition polymers may be present on |
| A. | terminal |
| B. | end |
| C. | all of them |
| D. | side-chain |
| Answer» E. | |
| 205. |
The region around the nucleus which can be filled with one or two electrons is knows as |
| A. | axis |
| B. | field |
| C. | atomic orbital |
| D. | zone |
| Answer» D. zone | |
| 206. |
Provided that the latent heat of fusion of a 5.4 kg block of ice has been provided by a heater of 1 kW for 1800 s, the specific latent heat of fusion of ice would then be equal to |
| A. | 340 kJ⁄kg |
| B. | 333 kJ⁄kg |
| C. | 360 kJ⁄kg |
| D. | 350 kJ⁄kg |
| Answer» C. 360 kJ⁄kg | |
| 207. |
The most composition of sun is mainly |
| A. | hydrogen |
| B. | oxygen and hydrogen |
| C. | helium |
| D. | hydrogen and helium |
| Answer» E. | |
| 208. |
A body of liquid exerts pressure on an object because of its |
| A. | mass |
| B. | weight |
| C. | depth |
| D. | density |
| Answer» C. depth | |
| 209. |
Partial pressure is equal to total pressure multiply by |
| A. | volume |
| B. | mole fraction |
| C. | molar weight |
| D. | density |
| Answer» C. molar weight | |
| 210. |
Cells which are size of a buttons are used in |
| A. | hearing aids |
| B. | heart pacemakers |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 211. |
Which of these Period 3 elements have highest electronegativity? |
| A. | Al |
| B. | Na |
| C. | S |
| D. | P |
| Answer» D. P | |
| 212. |
The consumption of a typical smelting plant of aluminum is as much as electricity consumed by |
| A. | small town |
| B. | nuclear plant |
| C. | none |
| D. | electrolytic cell |
| Answer» B. nuclear plant | |
| 213. |
To record temperature of a liquid over time, devices used are called as |
| A. | scanners |
| B. | data loggers |
| C. | probes |
| D. | bar code readers |
| Answer» D. bar code readers | |
| 214. |
Which of these Group IV element bonds has the lowest bond energy? |
| A. | Si-Si Bond |
| B. | C-C Bond |
| C. | H-H Bond |
| D. | Ge-Ge Bond |
| Answer» E. | |
| 215. |
Examples of sublime substances do not include |
| A. | ammonium salts |
| B. | solid carbon dioxide |
| C. | iodine |
| D. | zinc |
| Answer» E. | |
| 216. |
A person boils water of mass 150 kg from the temperature of 85 °C with the thermal energy of 22500 J, the specific heat capacity of the water is |
| A. | 7.5 J kg-1 °C-1 |
| B. | 5 J kg-1 °C-1 |
| C. | 15 J kg-1 °C-1 |
| D. | 10 J kg-1 °C-1 |
| Answer» E. | |
| 217. |
Almond essence in cakes and pudding is made from |
| A. | alcohol |
| B. | ester |
| C. | ketone |
| D. | benzaldehyde |
| Answer» E. | |
| 218. |
S is the symbol of |
| A. | sodium |
| B. | silver |
| C. | Selenium |
| D. | Sulphur |
| Answer» E. | |
| 219. |
The lining of the proximal convoluted tubule does not have |
| A. | microvilli |
| B. | podocytes |
| C. | co-transporter proteins |
| D. | mitochondria |
| Answer» C. co-transporter proteins | |
| 220. |
During formation of oxides electrons are transferred from sodium, magnesium and aluminum to |
| A. | nitrogen |
| B. | oxygen |
| C. | All of Above |
| D. | carbon dioxide |
| Answer» C. All of Above | |
| 221. |
+4 is the oxidation state of which of these compounds? |
| A. | Lead (IV)oxide PbO2 |
| B. | Tin (IV) oxide SnO2 |
| C. | All of Above |
| D. | Carbon dioxide CO2 |
| Answer» D. Carbon dioxide CO2 | |
| 222. |
The distance covered per unit time is termed as |
| A. | Velocity |
| B. | Speed |
| C. | Deceleration |
| D. | Acceleration |
| Answer» C. Deceleration | |
| 223. |
2-amino carboxylic acid is building block in manufacturing of |
| A. | proteins |
| B. | fats |
| C. | minerals |
| D. | vitamins |
| Answer» B. fats | |
| 224. |
The type of force that opposes motion in fluids (water and air) is termed as |
| A. | Tension |
| B. | Resistance |
| C. | Friction |
| D. | Weight |
| Answer» C. Friction | |
| 225. |
Given that the normal reaction is constant, the friction force is |
| A. | inversely proportional to the area of the contact of the given surfaces |
| B. | directly proportional to the area of the contact of the given surfaces |
| C. | independent of the area of the contact of the given surfaces |
| D. | directly proportional to the square of the area of the contact of the given surfaces |
| Answer» D. directly proportional to the square of the area of the contact of the given surfaces | |
| 226. |
The electric field strength on a dust particle having charge equal to 8x10-19 when plates are separated by distance of 2 cm and have a potential difference of 5 kV is |
| A. | 3 N |
| B. | 2.0x10-13 N |
| C. | 20 N |
| D. | 5 N |
| Answer» C. 20 N | |
| 227. |
The lower boiling point of 2,2 dimethyl propane can be attributed to |
| A. | lining up of molecules |
| B. | number of electrons |
| C. | more contact points |
| D. | compact molecular structure |
| Answer» E. | |
| 228. |
In Na2CO3, the relative atomic mass of sodium is |
| A. | 46 |
| B. | 23 |
| C. | 58 |
| D. | 48 |
| Answer» B. 23 | |
| 229. |
Why are cooking utensils made up of aluminum or stainless steel? Because |
| A. | they are good emitters of heat |
| B. | they are good absorbers of heat |
| C. | they are bad emitters of heat |
| D. | they are bad absorbers of heat |
| Answer» C. they are bad emitters of heat | |
| 230. |
CFC are not dangerous on earth, the problem starts when it start diffusing in |
| A. | atmosphere |
| B. | stratosphere |
| C. | moon |
| D. | clouds |
| Answer» C. moon | |
| 231. |
In India, El Tor strain of cholera replaced the classical strain in a time period of |
| A. | 6 months |
| B. | 2 to 14 days |
| C. | 24 months |
| D. | 12 months |
| Answer» D. 12 months | |
| 232. |
The more faster in waves and rays is |
| A. | both have no speed |
| B. | waves |
| C. | both have equal speed |
| D. | rays |
| Answer» E. | |
| 233. |
The period number indicates the |
| A. | the number of valence electrons |
| B. | number of neutrons |
| C. | all of these |
| D. | the number of electron shells |
| Answer» D. the number of electron shells | |
| 234. |
Useful alkenes for chemical industries is supplied by |
| A. | coal mines |
| B. | oil refineries |
| C. | flour mill |
| D. | oil wells |
| Answer» C. flour mill | |
| 235. |
The relative molecular mass of Na2CO3 is |
| A. | 128 |
| B. | 98 |
| C. | 198 |
| D. | 286 |
| Answer» E. | |
| 236. |
The volume of mercury is 0.4 m3 and the mass is 5440 kg, the density of mercury is |
| A. | 136 kg m-3 |
| B. | 1360 kg m-3 |
| C. | 13.6 kg m-3 |
| D. | 13600 kg m-3 |
| Answer» E. | |
| 237. |
The standard formula for speed, distance and time is |
| A. | s = d/t |
| B. | v = d/t |
| C. | d = t/s |
| D. | a = s/t |
| Answer» C. d = t/s | |
| 238. |
Ammonia NH3 is an example of |
| A. | covalent bonds |
| B. | ionic bonds |
| C. | diatic bonds |
| D. | metallic bonds |
| Answer» B. ionic bonds | |
| 239. |
For protons, the gyromagnetic ratio has the value |
| A. | 2.68*108rads-1T-1 |
| B. | 3*108 rads-1T-1 |
| C. | 5*108rads-1T-1 |
| D. | 4*108rads-1T-1 |
| Answer» B. 3*108 rads-1T-1 | |
| 240. |
The general formula for 2 amino carboxylic acid is |
| A. | RCHCOOH |
| B. | RCH(NH2)COOH |
| C. | RCH |
| D. | RCH(NH2) |
| Answer» C. RCH | |
| 241. |
A car of mass 1.5 tones travels at a constant speed of 40 km⁄h, calculate its kinetic energy in kJ. |
| A. | 92.59 kJ |
| B. | 9.259 kJ |
| C. | None of the above |
| D. | 925.9 kJ |
| Answer» B. 9.259 kJ | |
| 242. |
The greater the difference in electronegativity of Oxygen and Period 3 elements, the highly likely is the formation of |
| A. | Covalent bonds |
| B. | Ionic bonds |
| C. | Metallic bonds |
| D. | Dative Covalent Bonds |
| Answer» C. Metallic bonds | |
| 243. |
Which of these molecular structures are not giant ionic? |
| A. | MgO |
| B. | Na2O |
| C. | Al2O3 |
| D. | SiO2 |
| Answer» E. | |
| 244. |
The attractive forces between particles is weakest in |
| A. | liquids |
| B. | solids |
| C. | all of these |
| D. | gases |
| Answer» E. | |
| 245. |
Structural formula -CONH2 is representing |
| A. | amines |
| B. | alkyls |
| C. | arenes |
| D. | amides |
| Answer» E. | |
| 246. |
Respiratory diseases in patients are diagnosed by analyzing partial pressure of gases in |
| A. | blood |
| B. | lungs |
| C. | trachea |
| D. | serum |
| Answer» C. trachea | |
| 247. |
Digital stopwatches show reading upto |
| A. | 3 decimal places |
| B. | 2 decimal places |
| C. | 4 significant figures |
| D. | 1 decimal place |
| Answer» C. 4 significant figures | |
| 248. |
During the process of boiling, what energy conversion takes place? |
| A. | Thermal energy to Kinetic energy |
| B. | Kinetic energy to Thermal energy |
| C. | Kinetic energy to Potential energy |
| D. | Potential energy to Kinetic energy |
| Answer» B. Kinetic energy to Thermal energy | |
| 249. |
The latent heat of an ice cube of mass 0.2 g is 20 Joules, the specific latent heat of the ice cube would be |
| A. | 100 J kg-1 |
| B. | 4 J kg-1 |
| C. | 40 J kg-1 |
| D. | 10 J kg-1 |
| Answer» B. 4 J kg-1 | |
| 250. |
Ionic Chlorides of which of these do not react with water |
| A. | Al2Cl6 |
| B. | NaCl |
| C. | PCl5 |
| D. | SiCl4 |
| Answer» C. PCl5 | |