Which one of the following alcoholic drinks is produced without distillation?
(1) Wine
(2) Whisky
(3) Rum
(4) Brandy
Match the following list of bacteria and their commercially important products:
| 
 
  | 
 Bacterium  | 
 
  | 
 Product  | 
| 
 (i)  | 
 Aspergullus niger  | 
 (a)  | 
 Lactic acid  | 
| 
 (ii)  | 
 Acetobacter aceti  | 
 (b)  | 
 Butyric acid  | 
| 
 (iii)  | 
 Clostridium Butylicum  | 
 (c)  | 
 Acetic acid  | 
| 
 (iv)  | 
 Lactobacillus  | 
 (d)  | 
 Citric Acid  | 
Choose the correct match:
(1) (i) - b, (ii) - c, (iii) - d, (iv) - a
(2) (i) - b, (ii) - d, (iii) - c, (iv) - a
(3) (i) - d, (ii) - c, (iii) - b, (iv) - a
(4) (i) - d, (ii) - a, (iii) - c, (iv) - b
The residue left after methane production from cattle dung is:
1. burnt
2. burried in land fills
3. used as manure
4. used in civil construction
BOD of waste water is estimated by measuring the amount of:
(1) total inorganic matter
(2) biodegradable organic matter
(3) oxygen evolution
(4) oxygen consumption.
The free-living fungus Trichoderma can be used for:
1. killing insects
2. biological control of plant diseases
3. controlling butterfly caterpillars
4. producing antibiotics
The primary treatment of waste water involved the removal of:
(1) dissolved impurities
(2) stable substances
(3) toxic substances
(4) harmful bacteria.
Identify the incorrect pair:
1. Trichoderma harzianum - Biocontrol
2. Aspergillus niger - source of citric acid
3. Baculovirus - narrow spectrum species specific insecticides
4. Monascus purpureus - source of cholesterol synthesizing enzyme
Identify the incorrectly matched pair
| 
 1.  | 
 Baculoviruses  | 
 Species specific, broad spectrum insecticides  | 
| 
 2.  | 
 Trichoderma  | 
 Free living fungi common in root ecosystems  | 
| 
 3.  | 
 Ladybird  | 
 Biocontrol of aphids  | 
| 
 4.  | 
 Organic farming  | 
 Pests kept at manageable levels rather than completely eradicated  | 
Identify the incorrect matched pair:
1. Trichoderma harzianum: Cyclosporin A
2. Monascus purpureus: Statins
3. Aspergillus niger: Citric acid
4. Streptococcus pyogenes: Clot buster
Identify the incorrectly matched pair:
| 
			 1  | 
			
			 Streptococcus  | 
			
			 Clot buster  | 
		
| 
			 2.  | 
			
			 Monascus purpureus  | 
			
			 Statins  | 
		
| 
			 3.  | 
			
			 Trichoderma harziamum  | 
			
			 Immunosuppressant  | 
		
| 
			 4.  | 
			
			 Aspergillus niger  | 
			
			 Citric acid  |