Which one of the following useful organisms is not a part in production of curd/yoghurt?
(1) S. thermophilus
(2) Lactobacillus bulgaricus
(3) Acetobactor aceti
(4) Streptococcus lactis
Which one is used/regarded as a biofertilizer?
1. An association between pteridophytes and cyanobacteria Anabaena
2. An association between gymnosperms and Nostoc
3. An association between legume and Rhizobium
4. All of the above
Name the blank spaces A, B, C and D given in the following table:
Type of Microbe |
Scientific Name |
Commercial. Product |
Bacterium |
A |
Lactic acid |
Fungus |
B |
Cyclosporin A |
C |
Monascus purpureus |
Statins |
Fungus |
Penicillium notatum |
D |
(1) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Fungus), D - Penicillin
(2) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Algae), D - Penicillin
(3) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Prokaryote), D - Penicillin
(4) A - Lactobacillus, B - Trichoderma polysporum, C - Agaricus (Fungus), D - Penicillin
Name the blank spaces a, b, c and d given in the following table:
Type of Microbe |
Scientific Name |
Commercial Product |
Bacterium |
A |
Clot enzyme |
B |
Aspergillus niger |
Citric acid |
Fungus |
Trichoderma polysporum |
C |
Bacterium |
D |
Butyric add |
(1) A - Streptococcus, B - Fungus, C - Cyclosporin-A, D - Clostridium butylicum
(2) A - Clostridium butylicum, B - Streptococcus, C - Fungus, D - Cyclosporin-A
(3) A - Cyclosporin-A, B - Clostridium butylicum, C - Streptococcus, D - Fungus
(4) A - Fungus, B - Cyclosporin-A, C - Clostridium butylicum, D - Streptococcus
Which of the following bacteria help in nitrogen fixation from atmosphere?
A. Azotobacter
B. Rhizobium
C. Azospirillum
D. Lactobacillus
(1) A, C, D
(2) A, B, C, D
(3) B, C, D
(4) A, B, C
Yeasts have been used for the commercial production of all except:
(1) Wine
(2) Whisky
(3) Ethanol
(4) Curd
Methanogens are found in:
A. Ethanol
B. Organic acids
C. Anaerobic sludge
D. Rumen of cattle
(1) A, C, D
(2) C, D
(3) B, C, D
(4) A, B
The technology of biogas production in India has been developed by the efforts of:
A. Khadi and Village Industries Commision (KVIC)
B. Indian Council of Agricultural Research (IARI)
C. Indian Agricultural Research Institute (IARI)
D. Indian Council of Medical Research (ICMR)
(1) A, C, D
(2) C, D
(3) A, C
(4) A, B
Which of the following cyanobacteria can fix atmospheric nitrogen?
A. Nostoc
B. Anabaena
C. Oscillatoria
D. Yeast
1. A, C, D
2. C, D
3. A, C
4. A, B, C