The residue left after methane production from cattle dung is:
(1) burnt
(2) burried in land fills
(3) used as manure
(3) 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 incrrectly matched 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
Baculoviruses are:
1. Species specific, narrow spectrum insecticides
2. Species specific, broad spectrum insecticides
3. Non specific, narrow spectrum inseticides
4. Non specific, broad spectrum insecticides
Respiratory infections are caused by
1. Adenovirus
2. Retrovirus
3. Reovirus
4. Bacteria
TMV is
(1) Rod shaped
(2) Comma shaped
(3) Spherical
(4) Spiral