InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
Vitamin `B_(12)` is produced directly during the course of fementation byA. Ashbya gossypiiB. Rhizopus stoloniferC. Sacharomyces cervisiae.D. Propioni bacteria |
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Answer» Correct Answer - D This vitamin is now being produced during fermentation by Propioni bacteria (bacteria which sybthesize propionic acid ) and certain strains of Pseudomonas. |
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| 502. |
Which is a common impurity in 2,4,5-TA. TCDDB. 2,4-DC. EthyleneD. Terpenes |
| Answer» Correct Answer - A | |
| 503. |
Which of the following organisc acids was prodcuded by fermentatioA. Citric acidB. Oxalic acidC. Lactic acidD. Propionic acid |
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Answer» Correct Answer - C Lactic acid, `CH_(3)CH(OH)COOH` is also obtained from milk. |
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| 504. |
Antibiotic Azaserine is obtained fromA. Streptomyces fradiaeB. S. FragilisC. S. decarisD. Bacillus brevis |
| Answer» Correct Answer - B | |
| 505. |
Which of the following organisc acids was prodcuded by fermentatioA. Oxalic acidB. Lactic acid sC. Citric acidD. Propionic acid |
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Answer» Correct Answer - B First organic acid (lactic acid ) to be fermented, which obtained by the acitivity of a number of bacteria. Like Streptococcus lactis, lactis, Lactobacillus delbreukii, and Rhizopus fungus. |
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| 506. |
TCDD isA. CarbamateB. OrganophosphateC. ArseniteD. Dioxin |
| Answer» Correct Answer - D | |
| 507. |
A petrocrop isA. Sugarcane plant isB. MaizeC. Euphorbia lathyrusD. Potato |
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Answer» Correct Answer - C A petrocrop is Euphorbia. |
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| 508. |
Which organic compound is produced by fermentation and is used to partially replace fossil fuel?A. ButanolB. MethanolC. EthnolD. Propanol |
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Answer» Correct Answer - C Organic compound which is produced by fermentation and is used to partially replace fossil furl is ethanol. |
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| 509. |
Which organic compound is produced by fer- mentation and is used to replace fossil petrol?A. EthanolB. ButanolC. MethanolD. Propanol |
| Answer» Correct Answer - 1 | |
| 510. |
Which one of these is not a characteristic of ethyl alcohol?A. An antifreezeB. A solventC. A beverageD. A biofertiliser |
| Answer» Correct Answer - D | |
| 511. |
which of the following arganic acid is responsible for diabetic ailments?A. Lactic acidB. acetic acidC. Gluconic acidD. Kojic acid |
| Answer» Correct Answer - B | |
| 512. |
Assertion : Cyclosporin A is antifungal and immunosup-pressive medicine Reason : It stimulates the activation of T - cells and Prevents rejections.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reaosn is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - 3 | |
| 513. |
Assertion : the disadvantages of chemical pesticides can be overcome by the use of biopesticides. Reasomn: Biopesticides are the harmless pesticides of biological orgin which are used to cotrol weeds and pests without causing any significant damage .A. If both Assertion and Reason are true and the reason is the correct explanation of the assertion , then mark (1) .B. If both Assertion and Reason are true but the reason is not the correct explanation of the assertion , then mark (2).C. If assertion is true but Reason is false , then false , then mark(3).D. If both assertion is true Reason are false , then Mark (4). |
| Answer» Correct Answer - A | |
| 514. |
Assertion : Energy value of biogas is lower than that of organic matter. Reason : Biogas minimises the chances of spread of fecal pathogens.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is falseD. If both assertion and reason are false |
| Answer» Correct Answer - B | |
| 515. |
Assertion : Newer Antibiotics are required to be prosuced Regularly . Reason : Pathogens often develop resistance to existing antibiotics.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reaosn is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - 1 | |
| 516. |
An antifungal drung is obtained fromA. P. griseofulvumB. R. camembrtiC. R. roquefortiD. P. notatum |
| Answer» Correct Answer - A | |
| 517. |
The enzyme extracted from stomach of calf and used in cheese making isA. lactaseB. renninC. calfineD. chyme |
| Answer» Correct Answer - 2 | |
| 518. |
During sewage treatment, biogases are produced which includes :A. hydrogen sulphide, nitrogen, methaneB. methane, oxygen, hydrogen sulkphideC. methane, hydrogen sulphide, chrbon dioxideD. hydrogen sulphide, methane, sulphur oxide |
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Answer» Correct Answer - C During sewage treatemnt, bioges includes maxiture of gases such as methane, hydrogen sulphide and carbon dioxide. |
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| 519. |
Large hole in Swiss cheese are due to production of large amount of `C_(2)` by aA. BacteriaB. FungiC. YeastD. Lactobacillus |
| Answer» Correct Answer - A | |
| 520. |
Human insulin is being commercially produced from a transgenic species of :A. RhizobiumB. SaccharomycesC. EscherichiaD. Mycobarterium |
| Answer» Correct Answer - C | |
| 521. |
Trichodermaharianum has proved a useful microorganism for :A. Gene transfer in higher plantsB. Biologival control of soil-borne plant pathogensC. Bioremediation of contaminated soilsD. Reclamation of wastelands |
| Answer» Correct Answer - C | |
| 522. |
DDT residuses are repidly passed through food chain causing biomagnification because DDT isA. Water solubleB. Lipo solubleC. Moderately toxicD. non-Toxic to aquatic animals |
| Answer» Correct Answer - B | |
| 523. |
Penicillin is obtained fromA. Aspercillus fumigatusB. Penicillium chrysogenumC. Penicillium griseofulvumD. Streptomyces griseus |
| Answer» Correct Answer - 2 | |
| 524. |
Brandy is generally a product ofA. Cider wineB. Lager beerC. Grape wineD. Champagne |
| Answer» Correct Answer - C | |
| 525. |
Red wine is colured with the help ofA. Apple skinB. Grape skinC. Apricot skinD. Peach skin |
| Answer» Correct Answer - B | |
| 526. |
Processed cheese isA. Soft cheeseB. Blended cheeseC. Ripe cheeseD. Hard cheese |
| Answer» Correct Answer - B | |
| 527. |
Which one of the following is not used in organic farming ?A. SnailB. GlomusC. EarthwormD. Oscillatoria |
| Answer» Correct Answer - 1 | |
| 528. |
Select the incorrect matchA. Citric acid - Aspergillus flavusB. Clot buster - SteptococcusC. Cyclosporin A - TrichodermaD. Butyric acid - Clostridium butylicum |
| Answer» Correct Answer - 1 | |
| 529. |
Which one is a biofertilizerA. VAMB. CMUC. DCMUD. Agent lemon |
| Answer» Correct Answer - 1 | |
| 530. |
Match the Column I with Column II A. `{:(A,B,C,D),(2,3,1,4):}`B. `{:(A,B,C,D),(4,2,3,1):}`C. `{:(A,B,C,D),(3,2,4,1):}`D. `{:(A,B,C,D),(4,1,3,2):}` |
| Answer» Correct Answer - A | |
| 531. |
Match the Column I with Column II A. `{:(A,B,C,D),(3,5,4,2):}`B. `{:(A,B,C,D),(1,2,3,4):}`C. `{:(A,B,C,D),(3,5,1,2):}`D. `{:(A,B,C,D),(5,4,3,2):}` |
| Answer» Correct Answer - C | |
| 532. |
Which of the following weed should be eradicated quickly ?A. OpuntiaB. EichhorniaC. PartheniumD. Vallisneria |
| Answer» Correct Answer - C | |
| 533. |
Bt toxin is got from aA. EukaryoteB. ProkaryoteC. VirusD. All the above |
| Answer» Correct Answer - B | |
| 534. |
Bt toxin is :A. intracellular lipidB. intracellular crystalline proteinC. extracellular crystalline proteinD. lipid |
| Answer» Correct Answer - 3 | |
| 535. |
Which one is used for preparation of bread?A. LactobacillusB. StreptobacillusC. AspergillusD. S. cerevisiae |
| Answer» Correct Answer - D | |
| 536. |
Green manure plants belong toA. GramineaeB. LeguminosaeC. SolanaceaeD. Compositae |
| Answer» Correct Answer - 2 | |
| 537. |
Which are used as green manureA. Melilotus parvifloraB. Lens esculentaC. Crotalaria junceaD. All the above |
| Answer» Correct Answer - D | |
| 538. |
Yields of paddy can be increased byA. symbiotic bacteriaB. non-symbiotic bacteriaC. Nostoc/AnabaenaD. Sulphur bacteria |
| Answer» Correct Answer - 3 | |
| 539. |
Ethanol is produced from starch as a raw material by the activity ofA. YeastB. ProtozoaC. VirusD. Rickettsia |
| Answer» Correct Answer - A | |
| 540. |
Due to which of the following organism, yield of rice is increased?A. SesbaniaB. Bacillus popilliaeC. AnabaenaD. Bacillus subtilis |
| Answer» Correct Answer - 3 | |
| 541. |
An organisam used as a biofertiliser for raising solybean crop production isA. AzopsirillumB. RhizobiumC. NostocD. Azotobacter |
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Answer» Correct Answer - B Rhizobium leguminosarum is a symbiotic bacteria found in root nodules of legume. This bacterium has notrogen Nif gene and fixing `N_(2)` Soybean is a legumn. Thus, Rhizobium is used as a biofertiliser for raising soybean crop. |
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| 542. |
Which one of the following is not a bioferiliser ?A. RhizobiumB. NostocC. MycorrbizaD. Agrobacterium |
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Answer» Correct Answer - D Agrobacterium is a gram negative bacterum that casuses tumours in plants. It is well - known for its ability to transfer DNA batween itself and plants ans for this reason it has beconme an important tool for genetic engineering. A. tumefaciens causes crown-gall diseases in plants. It has Ti plasmid. |
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| 543. |
A bioreactor refers to :A. Fermentation tankB. Culture containing radioactive isotopesC. Culture for synthesis of new chemicalsD. Hybridoma |
| Answer» Correct Answer - A | |
| 544. |
Enzyme immobilisation isA. Conversion of an active enzyme into inactive formB. Providing enzyme with protective coveringC. Changing a soluble enzyme into insoluble stateD. Changing pH so that enzyme is not able to carry out its functions |
| Answer» Correct Answer - B | |
| 545. |
Yeast cells can be immobilised inA. Silica gelB. Calcium alginateC. Porcelain columnD. Encapsulation |
| Answer» Correct Answer - B | |
| 546. |
Immobilisation protects an enzyme againstA. High temperatureB. Low temperatureC. AmylasesD. Proteases |
| Answer» Correct Answer - D | |
| 547. |
A complex polysaccharide produced from sucrose by the bacterium Leuconostoc mesenteroides isA. chitinB. starchC. dextranD. cellulose |
| Answer» Correct Answer - C | |
| 548. |
Immobilised Yeast isA. Preserved for future useB. Little active in fermentationC. 20 times more efficientD. Food Yeast |
| Answer» Correct Answer - C | |
| 549. |
Which of the folliowing statements is not trur for stirred tank fermentationA. Buffer needed to controlB. Buffer and feed possibleC. Control dissolved oxygenD. Easy in process sampling |
| Answer» Correct Answer - C | |
| 550. |
Which of the folliowing statements is not trur for stirred tank fermentationA. Buffer needed to controlB. Batch and feed possibleC. Control dissolved oxygenD. Easy in process sampling |
| Answer» Correct Answer - C | |