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
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
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 |
An important biofertilizer in paddy fields is :
1. Azospirillum
2. Azotobacter
3. Anabaena
4. Rhizobium
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 |
Gases found in biogas are:
1. Carbon dioxide is the only gas
2. Methane is the only gas
3. Carbon dioxide, hydrogen sulphide and Methane
4. Carbon dioxide, hydrogen cyanide and Methane
In the given diagram the gas X can be :
1. Hydrogen
2. Carbon monoxide
3. Ammonia
4. Oxygen
The virus shown here is a causative agent of :
1. Intestinal infections
2. Respiratory infections
3. CNS infections
4. Genito-urinary infections