Refer to NEET Biology Microbes and Human Welfare MCQs Set B provided below available for download in Pdf. The MCQ Questions for Full Syllabus Biology with answers are aligned as per the latest syllabus and exam pattern suggested by NEET, NCERT and KVS. Multiple Choice Questions for Microbes and Human Welfare are an important part of exams for Full Syllabus Biology and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for NEET Full Syllabus Biology and also download more latest study material for all subjects
MCQ for Full Syllabus Biology Microbes and Human Welfare
Full Syllabus Biology students should refer to the following multiple-choice questions with answers for Microbes and Human Welfare in Full Syllabus.
Microbes and Human Welfare MCQ Questions Full Syllabus Biology with Answers
IMPORTANT POINTS
Virus, bacteria, fungi, algae, protozoan are microscopic in size hence known as microbes or microorganism. This are harmful as well as useful to human being. They are found in all types of habitates.
They are exploited in different fields by modern technology. Bacteria and fungi are used in making household products such as curd, dosa and idli, bread, beverages etc. Different types of pharmacuitcal products are the result of reaction done by microbes. They produces antibodies, carbonicoied, alcohol, enzymes, protien, steroids etc. Microbes are important in fuel energy production.
Sewage treatment plants and bilogas plants are possible due to such of microbes only. Biogas is mixture of methane, co2, and which are used in fuel energy.
Bacteria, fungi, algae, virus are used in biocontrol and biofertilisers in agriculture.We should use such chemical instead of synthetic artificial chemical in our life cycle.
1. Which organisms are useful for the knowledge of biotechnology and genetic engineering ?
(a) Animals
(b) Plants
(b) Plants
(c) Micro Organism
(d) None of them
(d) None of them
2. Which bacteria gives protection against gestiric injury ?
(a) Methenogins
(b) Lecto Bacillus
(b) Lecto Bacillus
(c) Lecto Cocas
(d) Lecto Strepto
(d) Lecto Strepto
3. Which micro-organism are useful in fermantation of dough for the idli and dhosa ?
(a) Bacteria
(b) Protozua
(b) Protozua
(c) Fungus
(d) Virus
(d) Virus
4. Which is useful to obtainace acetic acid ?
(a) Aspergillus niger
(b) Clostridium Butirycun
(b) Clostridium Butirycun
(c) Acetobactor aceti
(d) Saech arhomyces Cerreui Siae
(d) Saech arhomyces Cerreui Siae
5. Which is one correct for the amino acid ?
(a) L-melic acid
(b) L-Lycin
(b) L-Lycin
(c) L-aluconic Acid
(d) (a) & (c) both
(d) (a) & (c) both
6. Which is useful to remove the oily stains in laundry ?
(a) Renin
(b) Protease
(c) Amaylase
(d) Lipase
(b) Protease
(c) Amaylase
(d) Lipase
7. Which one correct option for fermantation ?
(a) To prepare pickle from vegetable and savour fruits
(b) To prepare food for cattle
(c) To prepare some vitamins
(d) In production of some Enzymes
8. Which is useful to remove weeds in agriculture ?
(a) Pesticides
(b) Weedicide
(c) Fungicide
(d) Insecticides
(b) Weedicide
(c) Fungicide
(d) Insecticides
9. Which metabolic process is performed by bectaria in biogas plant ?
(a) Aerobic Respiration
(b) Cellular Respiration
(b) Cellular Respiration
(c) Anerobic Respiration
(d) Internal Respiration
(d) Internal Respiration
10. IARI means____
(a) India Agriculture Research Institute
(b) International Agrochemical Research Institute
(c) Indian Agrochemical Research Institute
(d) Indian Agriculture Resource Institute
11. Which organism is useful to form biofertiliser ?
(a) Glomus
(b) Cynobacteria
(b) Cynobacteria
(c) Azospirillum
(d) All the given
(d) All the given
12. Which organic compuned is useful to prepare Encilage ?
(a) Vitamin
(b) Protien
(b) Protien
(c) Lipid
(d) Carbohydrates
(d) Carbohydrates
13. Which one is produce by the help of Arebia gossipae ?
(a) Riboflavin
(b) Steriods
(c) Statins
(d) Lycin
(b) Steriods
(c) Statins
(d) Lycin
14. Which is irrelavant for mychorrhiza ?
(a) Absorb of phosphorous
(b) Increase Immunity
(b) Increase Immunity
(c) Fixation of Free N2
(d) Protectes against salinity and draought
(d) Protectes against salinity and draought
15. Which group is true for the Enzymes of micro organism ?
(a) Amylase, Protease, Lipase, Protease.
(b) Glycin, Renin, Lipase, Melic Acid
(c) Lipase, Protease, Lipase, Amylase
(d) Glyconic acid, protease, Lipase, Amylose
16. Which fungus is useful to prepare bread ?
(a) Rhizopus nigricans
(b) Saecharhomyces Cerrevisiae
(b) Saecharhomyces Cerrevisiae
(c) Clostridium Butirycum
(d) Asper Gillus Niger
(d) Asper Gillus Niger
17. Find odd sentences out :-
(a) Ethenol is used as a fuel in Brazil.
(b) Toddy is prepared from palm tree in north India.
(c) Micro organism are useful to prepare enzymes, protienes and steriods.
(d) Penicillin is prepared from penicillium notatum.
18. Which micro organism is useful to obtain short chain fatty acids ?
(a) Saecharhomyces Cerrevisiae
(b) Azeto bacter aciti
(b) Azeto bacter aciti
(c) Clostridium butirycum
(d) Aspergillus niger
(d) Aspergillus niger
19. My chorrhiza means______
(a) Symbiosis between fungus and plants
(b) Symbiosis between plant and bacteria
(c) Symbiosis between algae and fungus
(d) Symbiosis between michorrrhiza of fungus of water and bacteria
20. In production of which carbonic acid,Aspergillus niger is useful ?
(a) Citric acid
(b) Butyric acid
(c) Acetic acid
(d) Palmitic acid
(b) Butyric acid
(c) Acetic acid
(d) Palmitic acid
21. Which one is related with steriods ?
(a) Citric acid
(b) Butyric acid
(c) Acetic acid
(d) Palmitic acid
(b) Butyric acid
(c) Acetic acid
(d) Palmitic acid
22. Which is used to prevent blood clotting in blood vessels ?
(a) Steriods
(b) Cyclo sporin-A
(c) Streptokinase
(d) Stetins
(b) Cyclo sporin-A
(c) Streptokinase
(d) Stetins
23. Which is to be used in production of swiss cheese ?
(a) Monoscus Purpureus
(b) Clostridium bacterium
(b) Clostridium bacterium
(c) Lacto Bacillus
(d) Saecharhomyces Cerrevisiae
(d) Saecharhomyces Cerrevisiae
24. Which option is related with the utility of lectic acid ?
(a) In fermantation, to prepare pickle
(b) useful for preparing curd from milk
(b) useful for preparing curd from milk
(c) To increase the quality of vitamin B12
(d) All the given.
(d) All the given.
25. Which one is useful as a immunosuppresive agent in organ transplant ?
(a) Cyclosprin-C
(b) Cyclosporin-L
(b) Cyclosporin-L
(c) Cyclosporin-A
(d) All the given
(d) All the given
26. Which bacteria is useful for purification in sewage treatment ?
(a) Hetrotrops
(b) Symbiont
(b) Symbiont
(c) Free living
(d) Parasist
(d) Parasist
27. Which assertion is correct ?
(a) There is role of ministry of forest and environment in developing biogas technology.
(b) Micro organism are used as a bio control agent by IARI.
(c) Biofertilisers are used over chemical fertilizer to redused pollution.
(d) Chemical fertiliser are used to form biofertiliser.
28. To which, function baculo virus is involve ?
(a) Produces deases some arthropods and insect.
(b) Produces deases in todes neme.
(c) Produces deases in fungus.
(d) Produces Insectisides.
29. Which one is related with monoscus pupurous ?
(a) Streptokinase - To prevent blood clotting.
(b) Cyclosporin- A - Immunosuppresser
(c) Stetins - Decreases the cholesterole in blood
(d) All the given
30. Full form of BOD.
(a) Biological Oxygen Demand
(b) Bio Oxygen Demand
(b) Bio Oxygen Demand
(c) Biochemical Oxygen Demand
(d) Biochemical Oxygen Degreadable
(d) Biochemical Oxygen Degreadable
31. Which is the group of autotroph micro organisms ?
(a) Anabaena, Nostoc, Glomus, Trichoderma
(b) Aceletoria, Anabaena, Cynobacteria, Rhizopus.
(c) Nostoc, Aspergilus, Anabaena, Rhizopus
(d) Acelatoria, Anabaena,Nostoc, Cynobacteria.
32. By which process floating debris and grit are removed in STPs respectively ?
(a) Filteration and Sedimentation
(b) Filteration and Distilation
(b) Filteration and Distilation
(c) Sedimentation and Filteration
(d) Only Filteration
(d) Only Filteration
33. Which is useful to control Nematodes in cearel crops ?
(a) Bionemotocides
(b) Fungicides
(c) Weedicides
(d) Incecticeides
(b) Fungicides
(c) Weedicides
(d) Incecticeides
34. Which sentence is odd ?
(a) Progesteron is useful as a immuno suppressor
(b) Stetins is useful to reduse cholesterole
(c) Streptokines is useful to prevent blood clotting
(d) Lipase is useful to remove oily stains
35. Which micro organism is involved in flocks as well as in michorrhiza ?
(a) Bacteria
(b) Virus
(c) Fungus
(d) Algae
(b) Virus
(c) Fungus
(d) Algae
36. Find odd group out :-
(a) Carbomycin, bactitracin, tetracytidine, fumagillin
(b) Butaric acid, Isotric acid, Lectic acid, Melic acid
(c) Amylase, Protease, Lipase, Csellulase
(d) Glucomylase, Renin, Glucose Oxicide
37. Which pest is obtained from Pseudononas ?
(a) Quantum-400
(b) Quantum-4000
(c) Quantum-40000
(d) Quantum-40
(b) Quantum-4000
(c) Quantum-40000
(d) Quantum-40
38. Which organism is useful to prepare Alcohol ?
(a) Saccherohmy Ceribicie
(b) Streptomycis Saccheromysis
(b) Streptomycis Saccheromysis
(c) Streptococus cerbicie
(d) Saccherohmycis Cerevisiae
(d) Saccherohmycis Cerevisiae
39. Which pair is odd ?
(a) Rhizobium-Symbiotic bacteria
(b) Glamus-Symblotic fungus
(b) Glamus-Symblotic fungus
(c) Trichoderma-Free living bactaria
(d) Azatobector-Free living bactaria
(d) Azatobector-Free living bactaria
40. Which is correct sequence for purification process of STPs ?
(a) Primary Sludge →Effluent →Flocks →Active Sludge →Biogas
(b) Flocks →Primary Sludge →Effluent →Active Sludge →Biogas
(c) Primary Sludge →Effluent →Active Sludge →Flocks →Biogas
(d) Effluent →Flocks→Primary Sludge →Active Sludge →Biogas
41. Which product is synthesized by micro organism at commerical level for mankind ?
(a) Vaccine
(b) Biofuel
(c) Alcohol
(d) All the given
(b) Biofuel
(c) Alcohol
(d) All the given
42. Effluent means____
(a) Water remaining under the primary sludge.
(b) Solid compunds of the sedimentation
(c) Water remaining over the primary sludge
(d) Flocks forms from the primary sludge.
43. Which group of micro organism is useful as a bio control agent ?
(a) Cynobacteria, Bacula virus, Trichoderma
(b) Trichoderma, Psuedomonas, Bacillus Thuringiensis
(c) Rhizhobiam, Cynobacteria, Psuedomonas
(d) All the given
44. Which gases are there in biogas ?
(a) CH4, CO2 H2S
(b) CH3, CO2 H2S
(b) CH3, CO2 H2S
(c) CH2, CO2 H2S
(d CH3 CO2, H2S
(d CH3 CO2, H2S
45. Which bacteria are useful in anaerobic sludge digestures tank ?
(a) Hypo geal
(b) Aerobic
(c) Free living
(d) Aneorobic
(b) Aerobic
(c) Free living
(d) Aneorobic
46. Which one correct for the free living and symbiotic funges ?
(a) Glomus and Rhyzopus
(b) Glomus and Azospirillum
(b) Glomus and Azospirillum
(c) Trichoderma and Rhizopus
(d) Trichoderma and Azospirillum
(d) Trichoderma and Azospirillum
47. Formation of flocks means____
(a) Assoicated of virus with the bacteria remains in water
(b) Bactaria which associated with the mychoriza of the fungus of water
(c) Bactaria which associated with the mychorriza of the fungus of soil
(d) Bactaria which associated with the solid waste of the water
48. In which tank flocks is sedimenated and forms respectively ?
(a) Settling tank, Aeration tank
(b) Aeration tank, Effluent tank
(b) Aeration tank, Effluent tank
(c) Aeration tank, Settling tank
(d) Effluent tank, Anearoble tank
(d) Effluent tank, Anearoble tank
49. Who has established Ganga nad Yamuna action plan ?
(a) IARI
(b) KVIC
(b) KVIC
(c) Ministry of forest and Environment
(d) Integrated pest control management
(d) Integrated pest control management
50. What is sedimantated flocks ?
(a) Passive sludge
(b) Primary sludge
(c) Active sludge
(d) None of them
(b) Primary sludge
(c) Active sludge
(d) None of them
51. Which statement is correct for STPs ?
(a) Value of BOD is decrease in effluent.
(b) Flocks is sedimanted in settling tank.
(b) Flocks is sedimanted in settling tank.
(c) At end of process biogas is formed.
(d) All the given
(d) All the given
52. Which odd for mixed gases which produces in anerobic sludge diagesters ?
(a) CO2
(b) CH4
(c) H2S
(d) CH3
(b) CH4
(c) H2S
(d) CH3
53. Which bacteria is remain in alimentary canal of herbivorus ?
(a) Azetobactor
(b) Methenogens
(c) Azospirillium
(d) Bacillus
(b) Methenogens
(c) Azospirillium
(d) Bacillus
54. Which biological process will take place in STPs ?
(a) Flocks
(b) Filteration
(c) Sedimentation
(d) (b) & (c) both
(b) Filteration
(c) Sedimentation
(d) (b) & (c) both
55. What is indirectly called the measurment of organic matter of water ?
(a) BOD
(b) DOB
(c) COD
(d) DOC
(b) DOB
(c) COD
(d) DOC
56. From which compound methane gas is produced by bacteria ?
(a) lipase
(b) Amylase
(c) Cellulase
(d) Protease
(b) Amylase
(c) Cellulase
(d) Protease
57. Which gas will produced in anearobic sludge digesteres ?
(a) CO2
(b) H2S
(c) CH4
(d) All the given
(b) H2S
(c) CH4
(d) All the given
58. Which micro organism is irrelevent as a biocontrol agent ?
(a) Virus
(b) Bectaria
(c) Algae
(d) Fungus
(b) Bectaria
(c) Algae
(d) Fungus
59. Which scientist has invented Antibodies ?
(a) Ernest chain
(b) Howard Florey
(c) Alexander Fleming
(d) W.Fleming
(b) Howard Florey
(c) Alexander Fleming
(d) W.Fleming
60. Which bacterial group is useful in biogas production ?
(a) Rhizobium
(b) Methanogens
(b) Methanogens
(c) Argonotrocs
(d) Eubectaria
(d) Eubectaria
61. Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ?
(a) Azospyrillium
(b) Clostridium
(c) Azotobactor
(d) Rhizobium
(b) Clostridium
(c) Azotobactor
(d) Rhizobium
62. Which living organism works as bio-fertiliser ?
(a) Azzola
(b) Clostridium
(c) Azotobactor
(d) Rhizobium
(b) Clostridium
(c) Azotobactor
(d) Rhizobium
63. Which micro organism is useful in production of citric acid ?
(a) Azotobactor (b) Penicillium (c) Asperzilus niger (d) Clostridium
64. By which process cheese and toddy is obtained ?
(a) Fermantation (b) Distillation (c) Pasuirisation (d) Hydrolisis
65. To which BOD is related ?
(a) Microbes and organic matters (b) Organic compound
(c) Microbes (d) None of them
66. Which organism is useful to produce Riboflavin ?
(a) Arabia hossipae (b) Saccharhomyces Cervisiae
(c) (a) & (b) both (d) None of them
67. Bacillus thuringiensis is useful in____
(a) Bio fertiliser (b) Biometalogical (c) Biotoxic plant (d) Bio product plant
68. Bio fertilizer means____
(a) Crop which shows rapid growth (b) Cow dung and agricultural west
(c) prepared by Anabaena and Nostoc (d) None of them
69. Which pair is correct ?
1 - Cynobacteria - Bio pestisides
2 - Mychorriza - Absorption of phosphurus
3 - Becillus thuringiensis - toxin
4 - Single cell protien - Rhizobium
(a) 2 (b) 3 (c) 1 (d) 4
70. Which pair is odd ?
(a) Yeast - Ethenol (b) Penicillium - Penicillin
(c) Methenogens - Biogas (d) Streptococus - Stetins
71. What is value of BOD of sewage water in comparision to normal water ?
(a) More (b) Less (c) Normal (d) Zero
72. Which pair is correct ?
(a) Rhizobium - Parasites of leguminous plant (b) Mychoriza - Absorbation of Phosphate
(c) Yeast - Biogas production (d) Nostoc - Biofuel
73. According to latest news BT cotton is widely cultivated, in that Bt cotton means___
(a) Bigger thread variety
(b) Cotton seeds treated with Barium
(c) Produce by biotechnologycal enzymes ristiction endonueleus
(d) Contains Endo toxin gene of B.T.
74. Which are the main components of biogas ?
(a) CH4 + CO2 + N2 (b) CO2 + H2O
(c) CH3 + O2 (d) CO2 + H2
75. Azospirillium and Azotobector for example of___
(a) Decomposers (b) Free living N2 fixative
(c) Symbiotic N2 fixative (d) Pathogenes
76. How the ethenol is produce in industrial field ?
(a) Saecheromisis (b) Clostridium
(c) Aspergillus (d) Streptomysis
77. Which option provides fertiliser as well as energy ?
(a) rhizobium (b) Biogas
(c) Fuel Plant (d) All the given
78. Which one is true information for toxin Bt ?
(a) Bt protien contains active toxins in bacillus
(b) Active toxin enters into the ovary of insects and makes it sterile so as to stop the reproduction.
(c) Becillius contains antitoxin material
(d) Toxic enters into the alimentary canal of insects which results lethal for the insect.
79. By BOD which one is to be measured ?
(a) Amount of organic matters of water.
(b) Industrial waste of water Resources.
(c) Amount of co which connected with Hb.
(d) Amount of required O2 for dark reaction of green plants.
Column Type Questions
Statement (A) and Reason (R) Type Question
(a) Both A and R are true and R is correct explanation of A.
(b) Both A and R are true but R is not correct explantion of A.
(c) A is true but R is false.
(d) A is false but R is true.
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