McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) , Staff Selection Commission (SSC) .
Chapters
| 351. |
Which among the following methods can be used to remove the permanent hardness in water due to calcium or magnesium sulphates? |
| A. | Sulphonate method |
| B. | Nitrate method |
| C. | Zeolite method |
| D. | None of the above |
| Answer» C. Zeolite method | |
| 352. |
The free electrons are in the __________? |
| A. | Outermost orbit of the metals |
| B. | Innermost orbit of the metals |
| C. | Middle orbits of the metals |
| D. | Any orbit of the metals |
| Answer» A. Outermost orbit of the metals | |
| 353. |
Which of the following type of Coal, has maximum carbon content? |
| A. | Peat |
| B. | Lignite |
| C. | Antharacite |
| D. | Bituminious |
| Answer» C. Antharacite | |
| 354. |
What is the common name of Calcium Sulphate Hemihydrate? |
| A. | Bleaching powder |
| B. | Slaked lime |
| C. | Plaster of paris |
| D. | Detergent |
| Answer» C. Plaster of paris | |
| 355. |
Which among following is also known as white gold? |
| A. | Nickel |
| B. | Rhodium |
| C. | Platinum |
| D. | Palladium |
| Answer» C. Platinum | |
| 356. |
Which acid is described as HOOCCOOH? |
| A. | Oxalic Acid |
| B. | Acetic Acid |
| C. | Carbonic Acid |
| D. | Citric Acid |
| Answer» A. Oxalic Acid | |
| 357. |
Carnotite is a mineral of which among the following metals? |
| A. | Lead |
| B. | Uranium |
| C. | Aluminium |
| D. | Iron |
| Answer» B. Uranium | |
| 358. |
PVC is a polymer of ? |
| A. | Propane |
| B. | Vinyl chloride |
| C. | Styrene |
| D. | Carbonates |
| Answer» B. Vinyl chloride | |
| 359. |
When Sulphur is heated with rubber, the process is commonly known as ? |
| A. | Galvanization |
| B. | Sulphonation |
| C. | Vulcanization |
| D. | Hydrodesulfurization |
| Answer» C. Vulcanization | |
| 360. |
Which among the following chemicals is used in Photography? |
| A. | Silver Bromide |
| B. | Potassium Chloride |
| C. | Sodium Bromide |
| D. | Magnesium Chloride |
| Answer» A. Silver Bromide | |
| 361. |
Which among the following is major component of Gobar Gas? |
| A. | Butane |
| B. | Ethane |
| C. | Propane |
| D. | Metahne |
| Answer» D. Metahne | |
| 362. |
Which among the following is a common salt in Detergents? |
| A. | Sulphate |
| B. | Nitrate |
| C. | Sulphonate |
| D. | Carbonate |
| Answer» A. Sulphate | |
| 363. |
Potassium permanganate is used to purify water. Which among the following properties of Potassium permanganate helps in this work? |
| A. | sterilizing |
| B. | oxidizing |
| C. | reducing |
| D. | leaching |
| Answer» B. oxidizing | |
| 364. |
What happens to the weight of Iron, when it rusts? |
| A. | Increases for long time |
| B. | Decreases then increases |
| C. | Increases then decreases |
| D. | Remains the same |
| Answer» C. Increases then decreases | |
| 365. |
Lightest and most abundant chemical element, constituting roughly 75 % of the Universe‘s elemental mass. |
| A. | Carbon |
| B. | Aluminium |
| C. | Bauxite |
| D. | Hydrogen |
| Answer» D. Hydrogen | |
| 366. |
A cotton wick dipped in pure honey when ignited with a matchstick will ______? |
| A. | Burn Consistently |
| B. | Burn with cracking sound |
| C. | Does not burn at all |
| D. | Burns with too much smoke |
| Answer» A. Burn Consistently | |
| 367. |
The easily noticed smell of the LPG gas is because of which among the following? |
| A. | Butane |
| B. | Propane |
| C. | Methane |
| D. | Ethanethiol |
| Answer» D. Ethanethiol | |
| 368. |
Which compound of mercury is used as antiseptic? |
| A. | Mercuric sulphide |
| B. | Mercuric oxide |
| C. | Mercuric chloride |
| D. | Mercuric iodide |
| Answer» C. Mercuric chloride | |
| 369. |
Speed of sound is maximum in which among the following? |
| A. | Solids |
| B. | liquids |
| C. | Gases |
| D. | Vaccum |
| Answer» A. Solids | |
| 370. |
Which among the following metal is highest electrical conductivity as well as highest thermal conductivity? |
| A. | Gold |
| B. | Silver |
| C. | Platinum |
| D. | Iron |
| Answer» B. Silver | |
| 371. |
Calamine is an ore of which among the following? |
| A. | Zinc |
| B. | Copper |
| C. | Mercury |
| D. | Iron |
| Answer» A. Zinc | |
| 372. |
Trimethylxanthine is a chemical name of a stimulant which is found in tea and coffee. What is the popular name? |
| A. | Thein |
| B. | Caffeine |
| C. | Theobromine |
| D. | Theophylline |
| Answer» B. Caffeine | |
| 373. |
The popular drug ―Acetylsalicylic Acid‖ is commonly known by which among the following names? |
| A. | Paracetamol |
| B. | Aspirin |
| C. | Salsalate |
| D. | Wintergreen |
| Answer» B. Aspirin | |
| 374. |
What are the main constituents of LPG? |
| A. | Methane, Hexane, Ethane |
| B. | Methane, Butane, Propane |
| C. | Ethane, Pentane, Hexane |
| D. | Ethane, Methane, Pentane |
| Answer» B. Methane, Butane, Propane | |
| 375. |
Which among the following is known as White Vitriol? |
| A. | Zinc Sulphate |
| B. | Zinc Chloride |
| C. | Zinc Phosphate |
| D. | Zinc oxide |
| Answer» A. Zinc Sulphate | |
| 376. |
Which among the following is known as Quick Lime? |
| A. | CaO |
| B. | CaCO2 |
| C. | Ca(OH)2 |
| D. | CaCl2 |
| Answer» A. CaO | |
| 377. |
In which among the following forms, Nitrogen is present in Urea? |
| A. | Nitrite |
| B. | Nitrate |
| C. | Ammonium |
| D. | Amide |
| Answer» D. Amide | |
| 378. |
―Oil of mirbane‖ is the most common name of which among the following? |
| A. | Phenol |
| B. | Toluene |
| C. | Phenolphthalein |
| D. | Nitrobenzene |
| Answer» D. Nitrobenzene | |
| 379. |
Which among the following substances is most suitable for making Compact Discs? |
| A. | PVC |
| B. | Polyethylene |
| C. | Polyamides |
| D. | Polycarbonates |
| Answer» D. Polycarbonates | |
| 380. |
What is the common name of analgesic and antipyretic drug acetylsalicylic acid? |
| A. | Paracetamol |
| B. | Aspirin |
| C. | Wintergreen |
| D. | Trazodone |
| Answer» B. Aspirin | |
| 381. |
Some plants are ‗carnivorous‘ due to their adaptation to grow in places where the soil is thin or poor in nutrients, especially nitrogen.In this context, consider the following plants:
|
| A. | Only 2 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 382. |
Sodium
|
| A. | 1 only |
| B. | 2 only |
| C. | Both 1& 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1& 2 | |
| 383. |
Which among the following was the first vaccine ever to be developed? |
| A. | Cholera |
| B. | Smallpox |
| C. | Rabies |
| D. | Tetanus |
| Answer» B. Smallpox | |
| 384. |
Bowman‘s Capsule‘ works as a part of the functional unit of which among the following human physiological system? |
| A. | Circulatory System |
| B. | Respiratory System |
| C. | Excretory System |
| D. | Reproductive System |
| Answer» C. Excretory System | |
| 385. |
Which of the following Vitamins of the ‗B-Complex‘ are correctly paired with their respective names?
|
| A. | 2 and 4 |
| B. | 3 and 4 |
| C. | 1, 3 and 4 |
| D. | All of them |
| Answer» D. All of them | |
| 386. |
Plants which are adapted to grow in soils containing high concentration of salt are known as: |
| A. | Xerophytes |
| B. | Mesophytes |
| C. | Halophytes |
| D. | Thallophytes |
| Answer» C. Halophytes | |
| 387. |
Which among the following have a ‗mixed heart‘ ,that is the heart in which the oxygenated and the deoxygenated blood is mixed? |
| A. | Birds |
| B. | Fishes |
| C. | Reptiles |
| D. | Nematodes |
| Answer» C. Reptiles | |
| 388. |
Pancreas‘ functions as an:
|
| A. | Only 1 |
| B. | Only 2 |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 389. |
Saffron‘ is obtained from which among the following parts of the plant? |
| A. | Stigma |
| B. | Anther |
| C. | Stamen |
| D. | Pollen |
| Answer» A. Stigma | |
| 390. |
Which among the following factors are essential for ‗blood coagulation‘?
|
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 391. |
Which among the followingis/are correctly paired:
|
| A. | Only 2 |
| B. | Only 3 |
| C. | Only 1 |
| D. | 1, 2 and 3 |
| Answer» B. Only 3 | |
| 392. |
The bacterium ‗Escherichia coli‘ is found mainly in: |
| A. | Human Intestine |
| B. | Pteridophytes |
| C. | Root Nodules of leguminous plants |
| D. | Paddy fields for nitrogen fixation |
| Answer» A. Human Intestine | |
| 393. |
Which among the following is not a ‗heriditary‘ disease? |
| A. | Thalessemia |
| B. | Colour-Blindness |
| C. | Haemophilia |
| D. | Leukemia |
| Answer» D. Leukemia | |
| 394. |
Human Papilloma Virus is related to which of the following diseases? |
| A. | Prostate Cancer |
| B. | Cervical Cancer |
| C. | Lymphatic Filariasis |
| D. | Leukemia |
| Answer» B. Cervical Cancer | |
| 395. |
The nutritional supplements Spirulina, Chorella and the Vitamin-C supplement, Dunaliella are actually: |
| A. | Algae |
| B. | Lichens |
| C. | Probiotics |
| D. | Bryophytes |
| Answer» A. Algae | |
| 396. |
Anemophily‘ is pollination by : |
| A. | Birds |
| B. | Wind |
| C. | Ants |
| D. | Bats |
| Answer» B. Wind | |
| 397. |
Pest-resistant cotton commonly known as ‗Bt-Cotton‘ is genetically engineered by inserting a gene from a: |
| A. | Bacterium |
| B. | Virus |
| C. | Microalgae |
| D. | Protist |
| Answer» A. Bacterium | |
| 398. |
Penicillin‘ which is used as an antibiotic is obtained from : |
| A. | Bacteria |
| B. | Fungi |
| C. | algae |
| D. | Lichens |
| Answer» B. Fungi | |
| 399. |
The instrument that measures arterial blood pressure is known as : |
| A. | Pyknometer |
| B. | Hypsometer |
| C. | Sphygmoscope |
| D. | Sphygmomanometer |
| Answer» D. Sphygmomanometer | |
| 400. |
Meg-1 is an imprinted gene which finds expression only from maternal chromosomes which regulates the transfer of nutrients from the plant to the seed. This gene has been discovered in: |
| A. | Maize |
| B. | cotton |
| C. | jute |
| D. | Sugarcane |
| Answer» A. Maize | |
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