MCQOPTIONS
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MCQOPTIONS
This section includes 674 Mcqs, each offering curated multiple-choice questions to sharpen your Joint Entrance Exam - Main (JEE Main) knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Q: What is the primary component of natural gas? |
| A. | Nitrogen |
| B. | Ethane |
| C. | Propane |
| D. | Methane |
| Answer» E. | |
| 252. |
Q: What is the political party of the president now? |
| A. | BJP |
| B. | INC |
| C. | BSP |
| D. | NCP |
| Answer» B. INC | |
| 253. |
Q: What is the oxidation number of sulfur in H2S? |
| A. | 2 |
| B. | -2 |
| C. | 1 |
| D. | -1 |
| Answer» C. 1 | |
| 254. |
Q: What is the oxidation number of carbon in NaHCO3? |
| A. | -4 |
| B. | -3 |
| C. | 4 |
| D. | 2 |
| Answer» D. 2 | |
| 255. |
Q: What is the new name of Abyssinia? |
| A. | Namibia |
| B. | Zimbabwe |
| C. | Thailand |
| D. | Ethiopia |
| Answer» E. | |
| 256. |
Q: What is the Name of first cricketer of India to have a cricket stadium in the name of him ? |
| A. | Sachin Tendulkar |
| B. | Sunil Gavaskar |
| C. | Saurav Ganguly |
| D. | Virender Sehwag |
| Answer» C. Saurav Ganguly | |
| 257. |
Q: What is the most important step in prioritizing goals? |
| A. | deciding what is most important |
| B. | having multiple tasks lined up for each goal |
| C. | determining categories for various goals |
| D. | writing a list of goals |
| Answer» B. having multiple tasks lined up for each goal | |
| 258. |
Q: What is the maximum velocity with which a body of mass 'm' must enter a vertical loop of radius 'R'so that it can complete the loop? |
| A. | 0 |
| B. | gR |
| C. | 2gR |
| D. | 5gR |
| Answer» E. | |
| 259. |
Q: What is the major monosaccharide found in the body? |
| A. | Galactose |
| B. | Sucrose |
| C. | Fructose |
| D. | Glucose |
| Answer» E. | |
| 260. |
Q: What is the IUPAC name of [Co (NH₃)₄Cl₂ ]Cl? |
| A. | Tetra-ammine dichloro cobalt (III) chloride |
| B. | Tetra-ammine trichloro cobalt (III) |
| C. | Tri-ammine dichloro cobalt (III) chloride |
| D. | Tetra-ammine dichloro cobalt |
| Answer» B. Tetra-ammine trichloro cobalt (III) | |
| 261. |
Q: What is the Iupac name for the compound shown below. |
| A. | 1-Bromo-3-chlorocyclohexene |
| B. | 2-Bromo-6-chlorocyclohex-1-ene |
| C. | 6-Bromo-2-chlorocyclohexene |
| D. | 3-Bromo-1-chlorocyclohex-1-ene |
| Answer» E. | |
| 262. |
Q: What is the IUPAC name for the following compound? H3C-C≡C-H |
| A. | Acetylene |
| B. | Methyl acetylene |
| C. | Butanol |
| D. | Decanoic Acid |
| Answer» C. Butanol | |
| 263. |
Q: What is the heaviest noble gas? |
| A. | krypton |
| B. | radon |
| C. | helium |
| D. | xenon |
| Answer» C. helium | |
| 264. |
Q: What is the gram formula mass of K2CO3? |
| A. | 147 |
| B. | 138 |
| C. | 129 |
| D. | 116 |
| Answer» C. 129 | |
| 265. |
Q: What is the functional unit of a skeletal muscle called? |
| A. | Myofibril |
| B. | Sarcomere |
| C. | Fiber |
| D. | Fasciculus |
| Answer» C. Fiber | |
| 266. |
Q: What is the function of reverse transcriptase? |
| A. | synthesis of RNA from protein |
| B. | synthesis of DNA from an RNA template |
| C. | synthesis of protein from DNA |
| D. | synthesis of DNA from protein |
| Answer» C. synthesis of protein from DNA | |
| 267. |
Q: What is the freezing point of water in Celsius? |
| A. | 0 deg C |
| B. | 32 deg C |
| C. | -42 deg C |
| D. | -32 deg C |
| Answer» B. 32 deg C | |
| 268. |
Q: What is the first thing that alcohol effects? |
| A. | Judgement |
| B. | Speech |
| C. | Vision |
| D. | Balance |
| Answer» B. Speech | |
| 269. |
Q: What is the first step in Photosynthesis? |
| A. | Formation of ATP |
| B. | Joining of 3-carbon atom to form glucose |
| C. | Ionization of water |
| D. | Excitement of an electron of chlorophyll photon of light |
| Answer» E. | |
| 270. |
Q: What is the correct order for Respiration? |
| A. | Election transport chain – Krebs’ cycle – glycolysis |
| B. | Glycolysis – Krebs’ cycle – electron transport chain |
| C. | Glycolysis – electron transport chain – Krebs’ cycle |
| D. | The Krebs’ cycle - electron transport chain - glycolysis |
| Answer» C. Glycolysis – electron transport chain – Krebs’ cycle | |
| 271. |
Q: What is the conjugate base of H2O? |
| A. | NH3+ |
| B. | OH- |
| C. | H2O |
| D. | All the above |
| Answer» C. H2O | |
| 272. |
Q: What is the capital of the country Turkmenistan ? |
| A. | Dushanbe |
| B. | Ashgabat |
| C. | Bishkek |
| D. | Astana |
| Answer» C. Bishkek | |
| 273. |
Q: What is the Capital of Namibia? |
| A. | Windhoek |
| B. | Mogadishu |
| C. | Utrecht |
| D. | Mombasa |
| Answer» B. Mogadishu | |
| 274. |
Q: What is the bond order of N2+? |
| A. | 3 |
| B. | 1.5 |
| C. | 2.5 |
| D. | 2 |
| Answer» D. 2 | |
| 275. |
Q: What is my PIN number ? |
| A. | 93714 |
| B. | 42789 |
| C. | 36671 |
| D. | 93747 |
| Answer» E. | |
| 276. |
Q: What is located at 180 degrees longitude? |
| A. | Fiji |
| B. | Russia |
| C. | Antarctica |
| D. | All of the above |
| Answer» E. | |
| 277. |
Q: What is consumption disease in the 19th century? |
| A. | Tuberculosis |
| B. | Paralysis |
| C. | Plague |
| D. | Cholera |
| Answer» B. Paralysis | |
| 278. |
Q: What is common between Aerobic and Anaerobic Respiration? |
| A. | Krebs cycle |
| B. | Glycolysis |
| C. | Electron transport chain |
| D. | All the above |
| Answer» C. Electron transport chain | |
| 279. |
Q: What is Black, when Clean and White, when Dirty? |
| A. | Shoes |
| B. | Car |
| C. | Chalkboard |
| D. | None |
| Answer» D. None | |
| 280. |
Q: What is a stub network? |
| A. | A network with only one entry and no exit point. |
| B. | A network that has only one entry and exit point. |
| C. | A network with more than one exit point. |
| D. | A network with more than one exit and entry point. |
| Answer» C. A network with more than one exit point. | |
| 281. |
Q: What holds the sides of the DNA ladder together? |
| A. | Polar covalent bonds |
| B. | Ionic bonds |
| C. | Metallic bonds |
| D. | Covalent bonds |
| Answer» E. | |
| 282. |
Q: What has teeth but cannot bite? |
| A. | Comb |
| B. | Saw |
| C. | Zipper |
| D. | Gear |
| Answer» B. Saw | |
| 283. |
Q: What happens during the S-phase of the cell cycle? |
| A. | cell division |
| B. | cell growth |
| C. | DNA replication |
| D. | protein and enzyme synthesis |
| Answer» D. protein and enzyme synthesis | |
| 284. |
Q: What happens during the process of translation? |
| A. | Transfer RNA is made from messenger RNA |
| B. | Copies of DNA molecules are made |
| C. | The cell uses information from messenger RNA to produce proteins |
| D. | Messenger RNA is made from DNA |
| Answer» D. Messenger RNA is made from DNA | |
| 285. |
Q: What goes up and down the stairs without moving? |
| A. | Umbrella |
| B. | Lift |
| C. | Stairs |
| D. | All the above |
| Answer» D. All the above | |
| 286. |
Q: What gas makes up most of the atmosphere? |
| A. | Oxygen |
| B. | Helium |
| C. | Nitrogen |
| D. | Carbondioxide |
| Answer» D. Carbondioxide | |
| 287. |
Q: What frequency range is the high frequency band? |
| A. | 3 kHz |
| B. | 3 to 30 MHz |
| C. | 30 to 300 MHz |
| D. | 10 GHz |
| Answer» C. 30 to 300 MHz | |
| 288. |
Q: What fields did progressives aim to reform? |
| A. | workplace conditions |
| B. | education |
| C. | government |
| D. | All of the above |
| Answer» E. | |
| 289. |
Q: What event prompted the formation of the first continental congress? |
| A. | The Boston Massacre |
| B. | The battles of Lexington and Concord |
| C. | The Boston Tea Party |
| D. | None of the above |
| Answer» D. None of the above | |
| 290. |
Q: What element behaves most like magnesium? |
| A. | Silicon |
| B. | Strontium |
| C. | Sulphur |
| D. | Tin |
| Answer» C. Sulphur | |
| 291. |
Q: What does the color black on a map illustrate? |
| A. | contours |
| B. | water bodies |
| C. | woodland areas |
| D. | borders |
| Answer» E. | |
| 292. |
Q: What does the APR on a credit card determine? |
| A. | fee paid by bank for deposits |
| B. | fee paid for borrowing money |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |
| 293. |
Q: What does the central nervous system consists of? |
| A. | Brain |
| B. | Spinal cord |
| C. | Nerves |
| D. | All the above |
| Answer» E. | |
| 294. |
Q: What does a VLAN do? |
| A. | Breaks up broadcast domains in a layer 2 switch internetwork |
| B. | Provides multiple broadcast domains within a single collision domain |
| C. | Provides multiple collision domains on one switch port |
| D. | Acts as the fastest port to all servers |
| Answer» B. Provides multiple broadcast domains within a single collision domain | |
| 295. |
Q: What do we call a change to the Constitution? |
| A. | A Bill |
| B. | An Act |
| C. | An Amendment |
| D. | An Interpret |
| Answer» D. An Interpret | |
| 296. |
Q: What do lines of latitude measure? |
| A. | east-west position between the poles |
| B. | north-south position between the poles |
| C. | north-east position between the poles |
| D. | south-west position between the poles |
| Answer» C. north-east position between the poles | |
| 297. |
Q: What do genes code for? |
| A. | Ptoteins |
| B. | DNA |
| C. | RNA |
| D. | None |
| Answer» B. DNA | |
| 298. |
Q: What comes first latitude or longitude? |
| A. | Latitude |
| B. | Longitude |
| C. | Both A & B |
| D. | None of the above |
| Answer» B. Longitude | |
| 299. |
Q: What color does blue and yellow make? |
| A. | Green |
| B. | Black |
| C. | Red |
| D. | White |
| Answer» B. Black | |
| 300. |
Q: What causes brownian motion in colloids? |
| A. | coagulation of particles and the dispersed phase |
| B. | erratic flashes of light |
| C. | molecules of the dispersion medium colliding with dispersed phase particles |
| D. | All the above |
| Answer» D. All the above | |