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.
| 401. |
Which of the following plants are used as green manure in crop fields and in sandy soilsA. Crotolaria juncea and Alhagi camelorumB. Calotropis procera and Phyllanthus niruriC. Saccharum munja and Lantana camaraD. Dichanthium annulatum and Azolla nilotica |
| Answer» Correct Answer - 1 | |
| 402. |
Which one acts as a biofertilizerA. E. coliB. YeastC. RhizobiumD. Chlamydomonas |
| Answer» Correct Answer - 3 | |
| 403. |
An enzyme that can stimulate germination of barley seeds isA. invertaseB. `alpha` amylaseC. lipaseD. protease |
| Answer» Correct Answer - 2 | |
| 404. |
The science, enology deals with the production of :A. wineB. cheeseC. yoghurtD. antibiotics |
| Answer» Correct Answer - A | |
| 405. |
the enzyme that converts glucose into alcohol isA. lipaseB. zymaseC. diastaseD. invertase |
| Answer» Correct Answer - 2 | |
| 406. |
The enzyme used for alcohol formation by fermentation is :A. lipaseB. zymaseC. amylaseD. invertase |
| Answer» Correct Answer - B | |
| 407. |
Match column I with column II and select the correct option from the given codes `{:(,"Column I",,"Column II"),("A.","Aspergilius niger","(i)","Ethanol"),("B.","Clostridium butylicm","(ii)","Statins"),("C.","Saccharomyces cerevisiae","(iii)","Citric acid"),("D.","Trichoderma polysporum","(iv)","Butyric acid"),("E.","Monascus purpureus","(v)","Cyclosporin A"):}`A. I - d, ii - c, iii - b, iv - a, v - cB. I - e, ii - d, iii - a,iv - b, v - cC. I - c, ii - d, ii - a, iv - e, v - bD. I - c, ii - d, iii - e, iv - a, v - b |
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Answer» Correct Answer - C `{:(1,"Aspergillus niger",c,"Citric acid"),(ii,"Clostridium butylicum",d,"Butyric acid"),(iii,"Saccharomyces Cerevisiae",a,"Ethanol"),(iv,"Trichoderma polysporum",e,"Cyclosporin A"),(v,"Monascus purpureus",b,"Statins"):}` |
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| 408. |
Antibiotic are drugs commonly used to cure diseases ofA. FungiB. ViruseC. ProtozoamsD. Bacteria |
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Answer» Correct Answer - D Antibiotics are drugs commonly used to cure bacterial disease of bacteria. |
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| 409. |
An enzyme that can stimulate germination of barley seeds isA. InvertaseB. `alpha`- amylaseC. LipaseD. Protease |
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Answer» Correct Answer - B An enzyme that stimulates germination of Baley seeds is `alpha` - amylase. |
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| 410. |
Full form of BOD isA. Biological Oxygen DemandB. Biological Organic DemandC. Bichemical Oxygen DeficitD. Biochemical Oxygen Demand |
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Answer» Correct Answer - D Full form of BOD is Biochemical Oxygen Demand. |
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| 411. |
Baculoviruses (Nucleopolyhedrobirus) do not showA. host specificityB. narrow spectrum applicationsC. effects on non-target pathogensD. utility in IPM programme |
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Answer» Correct Answer - C Nucleophyedrovirus are excellent candidates for species -specific, narrow spectrum insecticidal applications. They have been, shown to have no negative impacts on placts, mammals, birds, fish, or even on non-target insects. This is especially desirbale when beneficial insects are being conserved to aid in on overall integrated pest managements `(IPM)` programme, or when an ecologically sensitive area is being treated. |
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| 412. |
Baculoviruses are/haveA. Pathogens that attack insects and other arthropodsB. Members of genus Nucelopolyhedrovirus that are never used as biocontrolC. Species-specific, broad spectrum insecticidesD. Few negative impects on plants, mammals, birds, fishes or even on non-target insects |
| Answer» Correct Answer - 1 | |
| 413. |
Which of the following antibiotic is active against fungusA. StrephomycinB. PolyenesC. TetracyclineD. Neomycin. |
| Answer» Correct Answer - B | |
| 414. |
What happens when we inoculate Rhizobium in wheat field?A. No increase in production (nitrogen content of soil remains same)B. A lot of increase in production (nitrogen content of soil increases)C. Fertility of soil decreasesD. Fertility of soil increases. |
| Answer» Correct Answer - A | |
| 415. |
Which one is a nonsymbiotic nitrogen fixerA. RhizobiumB. OscillatoriaC. NostocD. Lactobacillus |
| Answer» Correct Answer - 3 | |
| 416. |
The initial step in preparation of beer isA. maltingB. distillationC. clarificationD. carbonxylation |
| Answer» Correct Answer - A | |
| 417. |
Match the find the correct combination A. a-iii, b-v, c-iv, d-iiB. a-i, b-ii, c-iii, d-ivC. a-iii, b-v, c-i, d-iiD. a-v, b-iv, c-iii, d-ii |
| Answer» Correct Answer - C | |
| 418. |
Streptomycin is obtained fromA. Streptomyces griseusB. S. cerevisiaeC. S. venezuelaeD. S.rimosus |
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Answer» Correct Answer - A S.Cerevisiae is used in the formation of dough while S. venezuelase is used in obtaining chlorophenicol while S. venezuelase is used in obtaining chloroamphenicol drug. Oxytetracyline is obtained from S. rimosus. |
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| 419. |
Which ones are involved in preparation of alcohol ?A. YeastB. Slime MouldsC. BacteriaD. Water Moulds |
| Answer» Correct Answer - A | |
| 420. |
How do mycorrhizal fungi help the plants harbouring them? |
| Answer» My mycorrhizal fungi absorb phssphorus from the soil and transfer them to the host cells. They also impart resistance to host plants against root pathogens. They also show tolerance to salinity and draught as well as increases overall growth and development of plant. Hence, fungal hyphae help in synthesising organic food and also recieve/get shelter and nourishment from the higher plant. | |
| 421. |
Streptomycin is obtained fromA. Streptomyces antibioticusB. Streptomyces nodosusC. Streptomyces griseusD. Streptomyces rimosus |
| Answer» Correct Answer - C | |
| 422. |
Penicillin is got fromA. Streptomyces griseusB. Penicillium chrysogenumC. Penicillium griseofulvumD. Aspergillus fumigatus |
| Answer» Correct Answer - B | |
| 423. |
Why are cyanobacteria considered useful in paddy fields ? |
| Answer» Cyanobacteria like Anabaena, Nostoc, Oscillatoria serve as in important biofertiliser in paddy fields as they fix atmospheric nitrigen and add organic matter to the soil and increase its fertility. | |
| 424. |
Yeast is employed for production ofA. MethanolB. EthanolC. ButanolD. Citric acid |
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Answer» Correct Answer - B Yeast is used for commercial production of ethanol. |
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| 425. |
Yeast produces an enzyme complex that is responsible for fermentation. The enzyme complex isA. ZymaseB. EnolaseC. InvertaseD. Dehydrogenase |
| Answer» Correct Answer - A | |
| 426. |
Streptomyces fradiae produces:A. AureomycinB. TerramycinC. NeomycinD. Erythromycin |
| Answer» Correct Answer - C | |
| 427. |
Broad spectrum antibiotic is that whichA. acts on both pathogen and hostB. acts on all bacteria and virusesC. is effective in very small amountsD. acts on a variety of pathogenic microoganisms |
| Answer» Correct Answer - D | |
| 428. |
What is a broad spectrum antibiotic? Name one such antibiotic. |
| Answer» A broad spectrum antibiotic is one which can inhibit the growth of both Gram positive and Gram negative bacteria e.g., Tetracyclines, phenicols, fluoroquinolones, third-generationa dn fourth-generation antibiotives is cephalosporins. | |
| 429. |
Vitamin `B_(2)` is found essentially in:A. yeastB. cerealsC. vegetablesD. all of these |
| Answer» Correct Answer - D | |
| 430. |
Cycloheximide (actidione) was isolated from:A. Streptomyces griseusB. Xanthomonas citriC. Streptomyces scabiesD. Erwinia amylovora |
| Answer» Correct Answer - A | |
| 431. |
Which of these microbes is used for ethanol production ?A. S. cerevisiaeB. Clostridium sphenoidesC. S. uvarumD. all of these |
| Answer» Correct Answer - D | |
| 432. |
Curding of milk take place byA. Steptococcus lacticsB. Streptococcus thermophilusC. Lactobacillus lactisD. All the above |
| Answer» Correct Answer - D | |
| 433. |
A compound which is produced by an organism and inhibits growth of other organism is calledA. AntigenB. AntibioticC. AntibodyD. Interferon |
| Answer» Correct Answer - B | |
| 434. |
Name the fungus which is used for producing lactic acid.A. RhizopusB. PenicilliumC. Claviceps D. Yeast |
| Answer» Correct Answer - A | |
| 435. |
Waksman isolatedA. actinomycinB. streptomycinC. both (1) and (2)D. penicillin |
| Answer» Correct Answer - 3 | |
| 436. |
Name the fungus which is used for producing lactic acid.A. RhizopusB. PenicilliumC. ClavicepsD. Yeast |
| Answer» Correct Answer - A | |
| 437. |
The most abundant prokaryotes helpful to humans in making curd and in production of antibiotics are ones categorised as:A. ArchaebacteriaB. Chemosynthetic autotrophsC. Heterotrophic bacteriaD. Cyanobacteria |
| Answer» Correct Answer - 3 | |
| 438. |
Rhizohium Clostridium and Azotobacter areA. bacililB. cocciC. vibrioD. spirillum |
| Answer» Correct Answer - A | |
| 439. |
A compound which is produced by an organism and inhibits the growth of other organisms is called:A. antigenB. antibodiesC. antiboioticsD. antiallergic |
| Answer» Correct Answer - C | |
| 440. |
(A) : Botulism can be avoided by heating food before consumption. (R) : The toxin is destroyed on exposure to temperature of `90^(@)C` for ten minutes.A. If both (A) and (R) are true and (R) is the correct explanation of (A).B. If both (A) and (R) are true but (R) is not the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
| Answer» Correct Answer - A | |
| 441. |
(A) : Antibodies are chemically protein molecules. (R): They are produced by lymphocytes.A. If both (A) and (R) are true and (R) is the correct explanation of (A).B. If both (A) and (R) are true but (R) is not the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
| Answer» Correct Answer - B | |
| 442. |
(A) : The corneal grafts have a much better chance of success. (R) : The healthy cornea has no blood supply and less access to WBCs.A. If both (A) and (R) are true and (R) is the correct explanation of (A).B. If both (A) and (R) are true but (R) is not the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
| Answer» Correct Answer - A | |
| 443. |
The natural preservative present in Citrus fruits isA. citric acidB. acetic acidC. lactic acidD. gluconic acid |
| Answer» Correct Answer - A | |
| 444. |
Styrene-butadiene is aA. Synthetic rubberB. Natural rubberC. Biodegradable plasticD. Recycled plastic |
| Answer» Correct Answer - A | |
| 445. |
Vulcanisation of Rubber is carried out to make isA. SoftB. ElasticC. Resistant to temperature changesD. Hard and inelastic |
| Answer» Correct Answer - C | |
| 446. |
Tsai Lun is famous for inventingA. PaperB. Use of tanninsC. RubberD. Silk |
| Answer» Correct Answer - A | |
| 447. |
Paper was inverted inA. IndiaB. ChinaC. EnglandD. Spain |
| Answer» Correct Answer - B | |
| 448. |
Additive-stabilizer used in butter isA. Disodium dihydrogen diphosphateB. Trisodium diphosphateC. Tetrasodium diphosphateD. All the above |
| Answer» Correct Answer - D | |
| 449. |
In confusion technique, the pheromone coated paper strips are thrown over an area in order toA. Attract insects and kill themB. Repel insects from an areaC. Confuse males so that they are unable to locate femalesD. Confuse females so that they are unable to locate males |
| Answer» Correct Answer - C | |
| 450. |
The enyme sereted by yeast to cause selling of dough isA. ZymaseB. AmylaseC. MaitaseD. none of these |
| Answer» Correct Answer - D | |