MCQOPTIONS
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MCQOPTIONS
This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1301. |
Ecology is related to what? |
| A. | bird |
| B. | cell fate |
| C. | body structure and environment |
| D. | Fiber |
| Answer» D. Fiber | |
| 1302. |
The branch of zoology under which the external structure of animals is studied is called? |
| A. | physiology |
| B. | Embryology |
| C. | morphology |
| D. | Ectology |
| Answer» D. Ectology | |
| 1303. |
What is the study of residual organs called? |
| A. | Distilology |
| B. | Palenology |
| C. | Phycology |
| D. | none of these |
| Answer» B. Palenology | |
| 1304. |
Study of population is called? |
| A. | paleontology |
| B. | cartography |
| C. | Geography |
| D. | Demography |
| Answer» E. | |
| 1305. |
Pediatrics is related to the study of which of the following? |
| A. | bone disease |
| B. | heart disease |
| C. | Infant disease |
| D. | eye disease |
| Answer» D. eye disease | |
| 1306. |
The science which studies the progress of mankind by the laws of heredity is called? |
| A. | Embryology |
| B. | endocrinology |
| C. | eugenics |
| D. | euthenics |
| Answer» D. euthenics | |
| 1307. |
The study of butterflies is called? |
| A. | ichtiology |
| B. | neonatology |
| C. | lepdateriology |
| D. | polylogy |
| Answer» D. polylogy | |
| 1308. |
Improving the human environment by improving the breed is called? |
| A. | eugenics |
| B. | euthenics |
| C. | paleontology |
| D. | evolution |
| Answer» C. paleontology | |
| 1309. |
The study of resistance against infection of organisms is done by? |
| A. | Hematology |
| B. | immunology |
| C. | micro biology |
| D. | pathology |
| Answer» C. micro biology | |
| 1310. |
The study of fishes and their related industries is called? |
| A. | helminthology |
| B. | proto zoology |
| C. | ichthyology |
| D. | mammology |
| Answer» D. mammology | |
| 1311. |
The branch of biology dealing with insects is called? |
| A. | entomology |
| B. | ornithology |
| C. | mammology |
| D. | Demography |
| Answer» B. ornithology | |
| 1312. |
Studying muscles? |
| A. | in mycology |
| B. | in biology |
| C. | in mastology |
| D. | in nephrology |
| Answer» C. in mastology | |
| 1313. |
Which organ is studied by neurology, the branch of science? |
| A. | nerve fibers |
| B. | sew |
| C. | eyes |
| D. | nipples |
| Answer» B. sew | |
| 1314. |
What is the study of tissue culture used for? |
| A. | for animals |
| B. | for plants |
| C. | for insects |
| D. | for genetics |
| Answer» E. | |
| 1315. |
The branch of zoology that studies ductless glands is called? |
| A. | Embryology |
| B. | endocrinology |
| C. | ecology |
| D. | euthenics |
| Answer» C. ecology | |
| 1316. |
The branch of zoology under which genetic traits and their inheritance are studied is called? |
| A. | ecology |
| B. | cytology |
| C. | geology |
| D. | genetics |
| Answer» E. | |
| 1317. |
Which gas is produced by the reaction of water on calcium carbide? |
| A. | methane |
| B. | ethane |
| C. | Ethylene |
| D. | acetylene |
| Answer» E. | |
| 1318. |
The study of an animal and its surrounding environment is called? |
| A. | ecology |
| B. | parasitology |
| C. | animal geography |
| D. | genetics |
| Answer» B. parasitology | |
| 1319. |
Gerontology is related to the study of which of the following? |
| A. | baby |
| B. | women |
| C. | skin |
| D. | old man |
| Answer» E. | |
| 1320. |
What is the general formula of alkynes? |
| A. | Cₙ ; H₂ₙ ; |
| B. | Cₙ ; H₂ₙ ; ₋₂ |
| C. | Cₙ ; H₂ₙ ; ₊₂ |
| D. | Cₙ ; H₂ₙ ; ₋₁ |
| Answer» C. Cₙ ; H₂ₙ ; ₊₂ | |
| 1321. |
The slow decomposition of organic compounds by micro-organisms is called? |
| A. | chlorination |
| B. | polymerization |
| C. | Pasteurization |
| D. | fermentation |
| Answer» E. | |
| 1322. |
Which compounds come in the alkane group? |
| A. | C₃H₈ |
| B. | NH₃ |
| C. | CO₂ |
| D. | none of these |
| Answer» B. NH₃ | |
| 1323. |
The science concerned with the study of the structure of tissues is called? |
| A. | cytology |
| B. | myology |
| C. | histology |
| D. | Anatomy |
| Answer» D. Anatomy | |
| 1324. |
Is trinitrobenzene a? |
| A. | disinfectant |
| B. | insecticide |
| C. | bactericidal |
| D. | explosives |
| Answer» E. | |
| 1325. |
What is used as a deodorant in toilets? |
| A. | ortho chloro phenol |
| B. | mercury chloro phenol |
| C. | mercury dinitro benzene |
| D. | mercury dichloro benzene |
| Answer» B. mercury chloro phenol | |
| 1326. |
Which organic compound by the name of narsilene is used as an anesthetic in surgery? |
| A. | ether |
| B. | chloroform |
| C. | ethane |
| D. | acetylene |
| Answer» E. | |
| 1327. |
The proportional formula of a compound is CHO and the molecular weight is 60. What will be the molecular formula of this compound? |
| A. | C₂H₄O |
| B. | C₂H₄O₂ |
| C. | CHOOSE |
| D. | CHOOSE |
| Answer» C. CHOOSE | |
| 1328. |
Which is a major source of methane in India? |
| A. | paddy field |
| B. | wheat field |
| C. | sugarcane field |
| D. | fruit orchards |
| Answer» B. wheat field | |
| 1329. |
What is Urotropin? |
| A. | hexamethylene |
| B. | hexamethylene triamine |
| C. | hexamethylene tetraamine |
| D. | Hexamethylene pentamine |
| Answer» D. Hexamethylene pentamine | |
| 1330. |
L. P . G. The gas mainly consists of? |
| A. | methane, ethane and hexane |
| B. | methane, ethane and nonene |
| C. | methane, propane and butane |
| D. | ethane, butane and hexane |
| Answer» D. ethane, butane and hexane | |
| 1331. |
Which gas is released in the process of fermentation? |
| A. | Carbon dioxide |
| B. | sulphur dioxide |
| C. | oxygen |
| D. | hydrogen |
| Answer» B. sulphur dioxide | |
| 1332. |
Antifreeze is a mixture of? |
| A. | acetic acid and water |
| B. | formic acid and water |
| C. | of methyl alcohol and water |
| D. | ethyl alcohol and water |
| Answer» D. ethyl alcohol and water | |
| 1333. |
Which chemical is used to color the hair? |
| A. | ortho toluidine |
| B. | amines benzene |
| C. | mercury phenyl diamine |
| D. | Mercury nitro benzene amine |
| Answer» D. Mercury nitro benzene amine | |
| 1334. |
Food is known as alcohol? |
| A. | methyl alcohol |
| B. | ethyl alcohol |
| C. | Ethylene glycol |
| D. | glycerol |
| Answer» C. Ethylene glycol | |
| 1335. |
It is widely used in the rubber industry. |
| A. | Benzene |
| B. | nitrobenzene |
| C. | aniline |
| D. | phenol |
| Answer» D. phenol | |
| 1336. |
What is another name for carbon tetrachloride? |
| A. | marsh gas |
| B. | mustard gas |
| C. | pyrene |
| D. | Pyrol |
| Answer» D. Pyrol | |
| 1337. |
What is the chemical formula of methyl alcohol? |
| A. | CH₃OH |
| B. | C₂H₅OH |
| C. | C₃H7OH |
| D. | C₄H₁₀OH |
| Answer» B. C₂H₅OH | |
| 1338. |
What is the IUPAC name of ethylene? |
| A. | ethene |
| B. | ethine |
| C. | propene |
| D. | Propane |
| Answer» B. ethine | |
| 1339. |
In what form is nitrogen in urea fertilizer? |
| A. | nitrate |
| B. | nitrite |
| C. | ammonium |
| D. | amide |
| Answer» E. | |
| 1340. |
Vinegar is the commercial name of which of the following? |
| A. | of formic acid |
| B. | of acetic acid |
| C. | of oxalic acid |
| D. | of citric acid |
| Answer» C. of oxalic acid | |
| 1341. |
Tear gas is used in? |
| A. | chloro acetophenone |
| B. | bromo acetocusona |
| C. | fluoro acetophenone |
| D. | chloroacetocusone |
| Answer» B. bromo acetocusona | |
| 1342. |
Which refrigerant is commonly used in famous refrigerators? |
| A. | calcium fluoride |
| B. | fluorospar |
| C. | hydrofolic acid |
| D. | di chloro di fluoro methane |
| Answer» E. | |
| 1343. |
Wood spirit is known as? |
| A. | methyl alcohol |
| B. | ethyl alcohol |
| C. | Ethylene glycol |
| D. | glycerol |
| Answer» B. ethyl alcohol | |
| 1344. |
What is carbolic acid? |
| A. | H₂CO₃ |
| B. | C₆H₅COOH |
| C. | C₆H₅OH |
| D. | C₆H₅CH₂OH |
| Answer» D. C₆H₅CH₂OH | |
| 1345. |
Chloro is obtained by polymerization of ethylene? |
| A. | polyethylene |
| B. | urea |
| C. | Rubber |
| D. | PVC |
| Answer» E. | |
| 1346. |
The compound added in small amounts to keep tomato chutney fresh for a longer time is? |
| A. | sodium tartrate |
| B. | Sodium chloride |
| C. | sodium bicarbonate |
| D. | sodium benzoate |
| Answer» E. | |
| 1347. |
Mirben oil is known as? |
| A. | nitrobenzene |
| B. | aniline |
| C. | phenol |
| D. | toluene |
| Answer» B. aniline | |
| 1348. |
The plastic called Teflon is formed by polymerization of which compound? |
| A. | Ethylene |
| B. | acetylene |
| C. | Benzene |
| D. | Tetrafloro ethylene |
| Answer» E. | |
| 1349. |
Is Orlon a polymer? |
| A. | Of ethylene |
| B. | of butadiene |
| C. | of acrylo nitrile |
| D. | of vinyl chloride |
| Answer» D. of vinyl chloride | |
| 1350. |
Which of the following is rubber? |
| A. | asoprene |
| B. | Ethylene |
| C. | butadiene |
| D. | styrene |
| Answer» D. styrene | |