Q. No.Consider the given two statements:
I:
Methane and power produced in anaerobic digestion facilities can be used to replace energy derived from fossil fuels, and hence reduce emissions of greenhouse gases.
II:
In developing countries, simple home and farm-based anaerobic digestion systems offer the potential for low-cost energy for cooking and lighting.
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
Unlike human beings, in yeast the enzyme alcohol dehydrogenase:
| 1. | catalyzes the oxidation of ethanol to acetaldehyde |
| 2. | oxidizes methanol to produce formaldehyde and ethylene glycol |
| 3. | reduces acetaldehyde to ethanol |
| 4. | oxidizes nicotinamide adenine dinucleotide (NAD+) to NADH |
The industrial uses of Aspergillus niger do not include the preparation of:
| 1. | citric acid | 2. | glucoamylase |
| 3. | aflatoxin | 4. | glucose oxidase |
Hippodamia convergens is used as the biocontrol agent for:
| 1. | Mosquito larvae | 2. | Aphids |
| 3. | Bollworms | 4. | Armyworms |
Prickly pear cacti were introduced into Queensland, Australia as ornamental plants, starting in 1788. They quickly spread to cover over 25 million hectares of Australia by 1920, increasing by 1 million hectares per year. Digging, burning, and crushing all proved ineffective. The biocontrol agent used to control it was:
| 1. | Cactoblastis cactorum | 2. | Trichogramma minutum |
| 3. | Nematus ribesii | 4. | Icerya purchase |
Consider the given two statements:
| I: | Streptokinase is usually given only for a person's first heart attack. |
| II: | Only first heart attacks can be treated with a thrombolytic. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
Monacolin K is chemically identical to:
1. cardiac glycosides
2. anti-cancer drug taxol
3. antibiotic penicillin
4. blood cholesterol lowering lovastatin
What do Lactobacillus acidophilus, Lactobacillus rhamnosus, Saccharomyces boulardii, Bifidobacterium bifidum have in common?
| 1. | They are common pathogens causing infections in immunocompromised patients |
| 2. | They are common probiotics that help in fighting pathogens in the human gut |
| 3. | They are the most common pathogens involved in urinary tract infections |
| 4. | They are organisms used to generate Single Cell Protein |
The strategy for biological pest control in which a large population of natural enemies is administered for quick pest control is called:
| 1. | Importation | 2. | Augmentation |
| 3. | Conservation | 4. | IPM |
Feedstocks used in the production of biogas can normally include all the following except:
| 1. | Animal waste | 2. | Sewage |
| 3. | Silage | 4. | Wood |
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