Cyclosporin A, used as an immuno suppression agent, is produced from

  • Monascus purpureus

  • Saccharomyces cerevisiae

  • Penicillium notatum

  • Trichoderma polysporum

Match List - I with List - II

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

Choose the correct answer from the options given below.

(a) (b) (c) (d)
(1) (ii) (iii) (i) (iv)
(2) (iv) (ii) (i) (iii)
(3) (iii) (i) (iv) (ii)
(4) (i) (ii) (iii) (iv)
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Match the sources of SCP in column I with their class in Column II and select the correct match from the codes given:
COLUMN I COLUMN II
A Methylophilus methylotropus P Blue green alga
B Fusarium venenatum Q Bacteria
C Spirullina R Fungus

Codes:
A B C
1. Q P R
2. Q R P
3. P R Q
4. R Q P
 
 
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The most commonly used biological pesticide worldwide is:
 
  •     Agrobacterium tumefaciens
  •     Pseudomonas putida
  •     Bacillus thuringiensis
  •     Trichoderma harzianum
All the following can be performed by LAB except:
 
  • Coagulation and partial digestion of milk proteins
  • Increasing vitamin B12 in curd
  • Checking disease- causing microbes in our stomach
  • Producing large amount of carbon dioxide in fermentation of Swiss cheese
Alcohol percentage is expected to least in which of the following fermented beverages?
 
  • Wine
  • Whiskey
  • Brandy
  • Rum
Clearing of bottled fruit juices is achieved by treatment with:
 
  • Lipases and Proteases
  • DNase and RNase
  • Proteases and Pectinases
  • Cellulase and Chitinase
During secondary treatment of sewage water:
I. vigorous growth of useful aerobic microbes into flocs is allowed
II. aerobic microbes consume the major part of the organic matter in the effluent. 
III. the BOD of the water sample gets significantly increased
 
  • Only I and II are correct
  • Only I is correct
  • Only II and III are correct
  • I, Ii and III are correct
Identify the incorrectly matched pair:
Bio-control agent Pest controlled
1. Lady bird Aphids
2. Dragon fly Mosquito
3. Trichoderma Fungi
4. Baculoviruses Nematodes
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All the following are correct regarding Methanogens except:
 
  • They can grow anaerobically on cellulosic material
  • They can produce large amounts of methane along with carbon dioxide and hydrogen
  • They can be found in anaerobic sludge during sewage treatment and in rumen of cattle
  • They are true bacteria and are chemoheterotrophs
Which of the following does not involve a fungus?
 
  •     Commercial production of ethanol
  •     Commercial production of citric acid
  •     Commercial production of statins
  •     Commercial production of streptokinase
Glomus is:
 
  •     the genus of fungus, the members of which help symbiont plants get phosphorus
  •     the genus of fungus, the members of which help symbiont plants get nitrogen
  •     the genus of plants, the members of which are symbionts of mycorrhizae
  •     the genus of fungus, the members of which help processing of certain varieties of cheese
Which vitamin, important for effective erythropoeisis, is added by LAB when it is used to convert milk into curd?
  • Vitamin D
  • Vitamin A
  • Vitamin B12
  • Vitamin E
Citric acid, widely used in food industry, can be commercially produced with the help of the microbe:
  • Propionibacterium shermanii
  • Aspergillus niger
  • Xanthomonas citri
  • Colletotrichum falcatum
Identify the incorrectly matched pair:
1. Cyclosporin A Immuno-suppressant from Trichoderma polysporum
2. Statins Blood cholesterol lowering agents from Monascus purpureus
3. Streptokinase Clot buster from Staphylococcus aureus
4. Penicliium notatum Source of antibiotic discovered by Fleming

 
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In biological nitrogen fixation by microbes:
I. Rhizobium fixes nitrogen in the root nodules of leguminous plants
II. Frankia fixes nitrogen in the root nodules of non-leguminous [actinorrhizal] plants
III. Mycorrhiza are symbiotic relation between vascular plants and fungi [genus Glomus] that help plants absorb minerals like phosphorus
IV. Cyanobacteria [Anabaena, Nostoc and Oscillatoria] serve as important biofertlizers in paddy fields
 
  • Only I, II and III are correct
  • Only I, II and IV are correct
  • Only II, III and IV are correct
  • I, II, III and IV are correct
In sewage treatment:
  • The primary treatment involves aerobic bacteria
  • The BOD of the water gets increased after treatment
  • Activated sludge is digested in anaerobic sludge digester to produce biogas
  • Primary sludge contains methonogens
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