Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Microbes in Human Welfare question

2021 · Q46
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Biology
  4. /Microbes in Human Welfare
  5. /2021 · Q46

Microbes in Human Welfare question

2021 · Q46

NEETBiologyMicrobes in Human WelfareMCQ+4 / −1
Match List-I with List-II

List-I List-II
(a) Aspergillus niger (i) Acetic Acid
(b) Acetobacter aceti (ii) Lactice Acid
(c) Clostridium butylicum (iii) Citric Acid
(d) Lactobacillus (iv) Butyric Acid


Choose the correct answer from the options given below
  1. A
    (a) (b) (c) (d)
    (iv) (ii) (i) (iii)
  2. B
    (a) (b) (c) (d)
    (iii) (i) (iv) (ii)
  3. C
    (a) (b) (c) (d)
    (i) (ii) (iii) (iv)
  4. D
    (a) (b) (c) (d)
    (ii) (iii) (i) (iv)
View written solutionFree

Correct answer: B

Citric acid is a principal organic acid present in citrus fruits. To meet the increasing demand, it is produced from carbohydrate feedstock by fermentation with the fungus Aspergillus niger.

Acetobacter aceti uses sugars and alcohols for its carbon source and turns them into their acetic acid.



Clostridium butyricum are Gram-positive bacteria that helps in the production of butyric acid.



Lactobacillus is a genus of Gram-positive, facultative an aerobic, rod-shaped, non-spore forming bacteria. They convert sugars to lactic acid.

PreviousNext

More from Microbes in Human Welfare

  • Which of the following is put into Anaerobic sludge digester for further sewage treatment?2020 · MCQ
  • Match the following columns and select the correct option. Includes table2020 · MCQ
  • What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?2019 · MCQ
  • Select the correct group of biocontrol agents.2019 · MCQ
  • Match the following organisms with the products they produce : Select the correct option. Includes table2019 · MCQ
  • Thiobacillus is a group of bacteria helpful in carrying out :2019 · MCQ
  • Which of the following can be used as a biocontrol agent in the treatment of plant disease?2019 · MCQ
  • Which of the following is a commercial blood cholesterol lowering agent?2019 · MCQ