Microbes in Human Welfare NEET Questions with Answers Pdf Download :
Microbes in Human Welfare is one of the important topic for NEET from which around 5% of the questions appear in the NEET examination every year. So, solving MCQs on Molecular Basis of Inheritance Pdf and following some test series will give an edge in the examination to the NEET aspirants. The number of questions asked from the Microbes in Human Welfare in last year was 5. So, it is advisable to work out as many MCQs as possible through the Microbes in Human Welfare online test series.
Microbes in Human Welfare MCQ Questions for NEET preparation is immensely helpful for NEET Exam aspirants. As the NEET Examination is an objective-type paper that also carries negative marking; we have compiled a list of NEET MCQ to give aspirants an idea about the intricacies of the Microbes in Human Welfare. There are 50+ questions compiled in the PDF given below. NEET Questions on Molecular Basis of Inheritance are based on wide-ranging topics of the NEET syllabus. Aspirants can get an idea of what comprises MCQ on Microbes in Human Welfare.
NEET Questions on Microbes in Human Welfare :
1. Which one of the following is being tried in India as a biofuel substitute for fossil fuels ?
(1) Jatropha
(2) Musa
(3) Aegilops
(4) Azadirachta
Answer: 1
Read : Molecular Basis of Inheritance NEET Questions
2. Which of the following is correctly matched for the product produced by them ?
(1) Methanobacterium : Lactic acid
(2) Penicillium notatum : Acetic acid
(3) Sacchromyces cerevisiae : Ethanol
(4) Acetobacter aceti : Antibiotics
Answer: 3
3. Conversion of milk to curd improves its nutritional value by increasing the amount of____________
(1) Vitamin D
(2) Vitamin A
(3) Vitamin B12
(4) Vitamin E
Answer: 3
Read : Neural Control and Coordination NEET Questions
4. The source of cyclosporin-A is_________
(1) Acetobacter aceti
(2) Saccharomyces cerevisiae
(3) Aspergillus niger
(4) Trichoderma polysporum
Answer: 4
5. Statins commmercially used as blood cholesterol lowering agents are produced by________
(1) Agrobacterium tumefaciens
(2) Trichoderma polysporum
(3) Monascus purpureus
(4) Trichoderma viridae
Answer: 3
Read : Morphology of Flowering Plants NEET MCQ
6. Which of the following is a free living biocontrol microbial agent for plant pathogen?
(1) Mucor
(2) Glomus
(3) Trichoderma
(4) Rhizobium
Answer: 3
7. Biological control agent obtained from___________
(1) Bacillus thuringiensis
(2) E.coli
(3) Agrobacterium tumifaciens
(4) Meloidogyne incognitia
Answer: 1
Read : Reproduction in Lower and Higher Plants MCQ
8. Penicillin is obtained from_________
(1) Yeast
(2) Bacteria
(3) Fungi
(4) Algae
Answer: 3
9. Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?
(1) Aspergillus niger - citric acid
(2) Yeast - Statins
(3) Acetobacter aceti - acetic acid
(4) Clostridium butylicum - lactic acid
Answer: 4
10. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the________
(1) Halophiles
(2) Thermoacidiophiles
(3) Methanogens
(4) Eubacteria
Answer: 3
11. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are ones categorised as_________
(1) Chemosynthetic autotrophs
(2) Heterotrophic bacteria
(3) Cyanobacteria
(4) Archaebacteria
Answer: 2
12. Monascus purpureus is a yeast used commercially in the production of______
(1) citric acid
(2) blood chlolesterol lowering statins
(3) ethanol
(4) streptokinase for removing clots from the blood vessels.
Answer: 2
13. In gobar gas, the maximum amount is that of_______
(1) Propane
(2) Carbon dioxide
(3) Butane
(4) Methane
Answer: 4
14. Consider the following four statements (a-d) and select the option which includes all the correct ones only.
(a) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
(b) Body weight-wise the microorganism
Methylophilus methylotrophus may be able to produce several times more proteins than the cows per day.
(c) Common button mushrooms are a very rich source of vitamin C.
(d) A rice variety has been developed which is very rich in calcium.
Options :
(1) Statements (b), (c) and (d)
(2) Statements (a), (b)
(3) Statements (c), (d)
(4) Statements (a), (c) and (d)
Answer: 2
15. A good producer of citric acid is________
(1) Saccharomyces
(2) Aspergillus
(3) Pseudomonas
(4) Clostridium
Answer: 2
16. Which of the following is correct ?
(1) Cyanobacteria form mycorhhiza which helps in absorption of phosphate
(2) Methanobacterium digest cellulose in anaerobic conditions
(3) Azotobacter fix nitrogen symbiotically
(4) Rhizobium can fix nitrogen both free living and symbiotically
Answer: 2
17. During sewage treatment, biogases are produced which include_________
(1) hydrogensulphide, nitrogen, methane
(2) methane, hydrogensulphide, carbon dioxide
(3) methane, oxygen, hydrogensulphide
(4) hydrogensulphide, methane, sulphur dioxide
Answer: 2
18. Which of the following statements is correct regarding microbes in human welfare ?
(1) Saccharomyces cereviceae is useful in industries for production of citric acid
(2) Trichoderma polysporum is used as blood cholesterol lowering agent
(3) Aspergillus niger used to obtain acetic acid
(4) In sewage treatment CO2, H2 and CH4 gases are produced from activated sludge by bacteria such as Methanobacterium
Answer: 4
19. Choose the correct statement______
(1) Aspergillus niger is bacterium which is used for obtaining acetic acid & citric acid
(2) Streptokinase is used as a clot buster
(3) Monascus purpureus is responsible for production of large holes in Swiss cheese
(4) Toddy is manufactured by Lactobacillus
Answer: 2
20. Yeast is used in the production of_______
(1) Bread and beer
(2) Cheese and butter
(3) Citric acid and lactic acid
(4) Lipase and pectinase
Answer: 1
21. A patient brought to a hospital with myocardial infarction is normally immediately given
(1) Cyclosporin-A
(2) Statins
(3) Penicillin
(4) Streptokinase
Answer: 4
22. Which one of the following is an example of carrying out biological control of pests/diseases using microbes?
(1) Bt-Cotton to increase cotton yield
(2) Lady bird beetle against aphids in mustard
(3) Trichoderma sp. against certain plant pathogens.
(4) Nucleopolyhedrovirus against white rust
Answer: 3
MCQ on Microbes in Human Welfare for NEET :
1. Which one of the following is not true about antibiotics__________
(1) First anitobiotic was discovered by Alexander Fleming
(2) The term 'antibiotic' was coined by S. Waksman in 1942.
(3) Some persons can be allergic to a particular antibiotic
(4) Each antibiotic is effective only against one particular kind of germ.
Answer: 4
2. Which one of the microorganism is used for production of citric acid in industries ?
(1) Lactobacillus bulgaricus
(2) Penicillium citrinum
(3) Aspergillus niger
(4) Rhizopus nigricans
Answer: 3
3. Formation of vinegar from alcohol is caused by_________
(1) Bacillus subtilis
(2) Clostridium
(3) Acetobacter aceti
(4) Azotobacter
Answer: 3
4. Biogas consists of_________
(1) Carbon monooxide, methane and hydrogen
(2) Carbon dioxide, methane and hydrogen
(3) Carbon monooxide, ethane and hydrogen
(4) Carbon dioxide, ethane and hydrogen
Answer: 2
5. The pioneer country in the production of 'Fuel alcohol' is________
(1) Japan
(2) Brazil
(3) Saudi Arabia
(4) India
Answer: 2
6. Most of the petrocrops belong to family_______
(1) Leguminoase
(2) Euphorbiaseae
(3) Rutaceae
(4) Malvaceae
Answer: 2
7. Biogas is produced by anaerobic breakdown of biomass of agricultural waste by methanogenic bacteria. It is a___________
(1) One step process
(2) Two step process
(3) Three step process
(4) Multistep process
Answer: 3
8. Select the correct match________
(1) Aspergillus niger - Acetic acid
(2) Streptokinase - Immunosuppressive
(3) Cyclosporin - A - Clot buster
(4) Statins - Cholesterol lowering agent
Answer: 4
9. Biogas is the mixture of gases produced by the microbial activity. The type of the gas produced depends upon___________
(1) type of microbes
(2) type of organic substrate / waste
(3) size of digester
(4) 1 & 2 both
Answer: 4
10. Which biocontrol agent in very common in root ecosystem & is effective aganist several plant pathogens.
(1) Baculoviruses
(2) Trichoderma
(3) Nucleopolyhedro virus
(4) Ladybird beetle & Dragonflies
Answer: 2
11. Which of the following bacterium is associated with production of bioinsecticide is ?
(1) Bacillus subtilis
(2) Bacillus thuringensis
(3) Agrobacterium
(4) Azotobactor
Answer: 2
12. Which of the following is used to manufacture ethanol from starch______
(1) Penicillin
(2) Saccharomyces
(3) Azotobactor
(4) Lactobacillus
Answer: 2
13. Which of the following is the pair of biofertilizers______
(1) Azolla and BGA
(2) Nostoc and legume
(3) Rhizobium and grasses
(4) Salmonella & E. Coli
Answer: 1
14. Which bacteria is utilized in Gober gas plant______
(1) Methanogens
(2) Nitrifying bacteria
(3) Ammonifying bacteria
(4) Denitrifying bacteria
Answer: 1
15. During the formation of bread it becomes porous due to release of CO2 by the action of______
(1) Yeast
(2) Bacteria
(3) Virus
(4) Protozoans
Answer: 1
16. During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded_______
(1) Lipids
(2) Lignin
(3) Hemi-cellulose
(4) Cellulose
Answer: 2
17. The term "antibiotic" was coined by____________
(1) Edward Jenner
(2) Louis Pasteur
(3) Selman waksman
(4) Alexander Fleming
Answer: 3
18. Biogas produced by anaerobic fermentation of waste biomass consists of_____
(1) methane
(2) traces of H2, H2S and N2
(3) CO2
(4) all of these
Answer: 4
19. Which one of the following is used in the making of bread_________
(1) Rhizopus stolonifer
(2) Saccharomyces cerevisiae
(3) Zygasaccharomyces
(4) Saccharomyces ludwigi
Answer: 2
20. The drug Cyclosporin used for organ transplant patients is obtained from a_______
(1) Bacterium
(2) Fungus
(3) Virus
(4) Plant
Answer: 2
21. A common biocontrol agent for the control of plant diseases caused by fungi is___________
(1) Agrobacterium
(2) Glomus
(3) Trichoderma
(4) Baculovirus
Answer: 3
22. Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition ?
(1) Glomus
(2) Trichoderma
(3) Azotobacter
(4) Aspergillus
Answer: 1
23. Lactic acid bacteria (LAB) grow in milk and convert it to curd and also improve its nutritional quality by increasing________
(1) Vitamin A
(2) Vitamin B12
(3) Vitamin B6
(4) Vitamin C and A
Answer: 2
24. Which group is not related with petroplantation_____
(1) Euphorbiaceae
(2) Asclepiadiaceae
(3) Apocyanaceae
(4) Leguminaceae
Answer: 4
25. What are the advantage of gobar gas over convential utilization______
(1) More efficient source of energy
(2) Used as good fertilizer
(3) Reduces the chances of spreading of pathogens
(4) All the above
Answer: 4
26. Milk is changed into curd by_________
(1) Bacillus Megatherium
(2) Acetobactor aceti
(3) Xanthomonas citri
(4) Lactobacillus acidophilus
Answer: 4
27. Saccharomyces cerevissae is used in the formation of________
(1) Ethanol
(2) Methanol
(3) Acetic acid
(4) Antibiotics
Answer: 1
28. Modern farmer's can increase the yield of Paddy upto 50% by the use of______
(1) Cyanobacteria
(2) Rhizobium
(3) Mycorrhiza
(4) Farm yard manure
Answer: 1