DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the?
| 1. | template strand | 2. | coding strand |
| 3. | alpha strand | 4. | anti strand |
Interspecific hybridisation is the mating of:
| 1. | animals within the same breed without having common ancestors |
| 2. | two different related species |
| 3. | superior males and females of different breeds |
| 4. | more closely related individuals within the same breed for 4-6 generations |
Which of the following is correct regarding AIDS causative agent HIV?
| 1. | HIV is an enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase |
| 2. | HIV is an enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase |
| 3. | HIV is an unenveloped retrovirus |
| 4. | HIV does not escape but attacks the acquired immune response |
Among the following edible fishes, which one is a marine fish having a rich source of omega-3 fatty acids?
1. Mystus
2. Mangur
3. Mrigala
4. Mackerel
| Column-I | Column-II | ||
| A. | Citric acid | 1. | Trichoderma |
| B. | Cyclosporin | 2. | Clostridium |
| C. | Statins | 3. | Aspergillus |
| D. | Butyric Acid | 4. | Monascus |
1. A-3, B-1, C-2, D-4
2. A-3, B-1, C-4, D-2
3. A-1, B-4, C-2, D-3
4. A-3, B-4, C-1, D-2
Biochemical Oxygen Demand (BOD) may not be a good index for pollution in water bodies receiving effluents from?
1. domestic sewage
2. dairy industry
3. petroleum industry
4. sugar industry
The principle of competitive exclusion was stated by?
1. C. Darwin
2. G. F. Gause
3. MacArthur
4. Verhulst and Pearl
Which of the following National Parks is home to the famous musk deer or hangul?
| 1. | Keibul Lamjao National Park, Manipur |
| 2. | Bandhavgarh National Park, Madhya Pradesh |
| 3. | Eaglenest Wildlife Sanctuary. |
| 4. | Dachigam National Park, Jammu and Kashmir |
A lake which is rich in organic waste may result in?
| 1. | increased population of aquatic organisms due to minerals |
| 2. | drying of the lake due to algal bloom |
| 3. | increased population of fish due to lots of nutrients |
| 4. | mortality of fish due to lack of oxygen |
The highest DDT concentration in aquatic food chain shall occur in?
1. phytoplankton
2. seagull
3. crab
4. eel
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