MCQs on Food Microbiology
MCQs on Food Microbiology
1. Which of the following produces citric acid?
(a) Aspergillus
(b) Pseudomonas
(c) Saccharomyces
(d) Clostridium
Sol: (a) Aspergillus.
2. Which of the following organism is nitrogen-fixing and found in rice fields in symbiotic association with Azolla?
(a) Frankia
(b) Tolypothrix
(c) Spirulina
(d) Anabaena
Sol: (d) Anabaena.
3. Which of the following is used as a biofertilizer for soyabean crop?
(a) Rhizobium
(b) Azotobacter
(c) Nostoc
(d) Azospirillum
Sol: (a) Rhizobium.
4. A common biopesticide for preventing plants from butterfly caterpillars is
(a) Trichoderma
(b) Baculovirus
(c) Glomus
(d) Bacillus thuringiensis
Sol: (d) Bacillus thuringiensis.
5. Yeast is used for the production of
(a) Tetracycline
(b) Butanol
(c) Ethanol
(d) Citric Acid
Sol: (c) Ethanol.
6. Which alga can be used as food for the human being?
(a) Chlorella
(b) Polysiphonia
(c) Ulothrix
(d) Spirogyra
Sol: (a) Chlorella.
7. Which of the following microorganisms is not used as a biofertilizer?
(a) Rhizobium
(b) Nostoc
(c) Mycorrhiza
(d) Agrobacterium
Sol: (d) Agrobacterium.
8. Find the incorrectly matched pair
(a) Serratia – Drug addiction
(b) Spirulina – Single cell protein
(c) Rhizobium – Biofertilizer
(d) Streptomyces – Antibiotic
Sol: (a) Serratia – Drug addiction.
9. Trichoderma harzianum is useful for
(a) Bioremediation of contaminated soils
(b) Gene transfer in higher plants
(c) Reclamation of wastelands
(d) Biological control of soilborne plant pathogens
Sol: (d) Biological control of soilborne plant pathogens.
10. Which of the following organisms is used in alcoholic fermentation?
(a) Pseudomonas
(b) Aspergillus
(c) Saccharomyces
(d) Penicillium
Sol: (c) Saccharomyces.
