Which of the following is not a viral disease?
1. | Influenza | 2. | Yellow fever |
3. | Japanese encephalitis | 4. | Kala azar |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
As a group the most extensive metabolic diversity is shown by:
1. | Bacteria | 2. | Protista |
3. | Fungi | 4. | Animals |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Halophiles are archaebacteria adapted to extreme:
1. | Hot habitats | 2. | Saline habitats |
3. | Marshy habitats | 4. | Cold habitats |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Methanogens are commonly present in:
1. Alimentary canal of the lower invertebrates
2. Symbiotic relationships with xerophytic plants
3. Gut of ruminant animals
4. Close associations with corals
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Chemosynthestic autotrophic bacteria:
I. | Produce ATP by oxidizing inorganic substances |
II. | Play a great role in recycling nutrients like nitrogen, phosphorus, iron and sulfur |
1. | Both I and II are correct | 2. | Only I is correct |
3. | Only II is correct | 4. | Both I and II are incorrect |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Identify the incorrect statement regarding true bacteria?
1. | As a group, they exhibit maximum metabolic diversity. |
2. | Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur. |
3. | Heterotrophic bacteria are the most abundant in nature. |
4. | Bacteria reproduce mainly by fission but sometimes under favourable conditions, they produce spores. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In Whittaker’s Five Kingdom classification, heterotrophic mode of nutrition is present in members of:
1. | Two kingdoms | 2. | Three kingdoms |
3. | Four kingdoms | 4. | Five kingdoms |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following plant diseases in not caused by a fungus?
1. Late blight of potato
2. Loose smut of wheat
3. Canker in citrus
4. Powdery mildew of grape vine
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following organisms, earlier placed in Animal Kingdom, is placed under Kingdom Protista in Whittaker’s classification?
1. | Ameoba proteus | 2. | Chlamydomonas |
3. | Gonyaulax | 4. | Chlorella |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following would best describe a virus?
1. | Non cellular organization, crystalline inert structure in a living cell |
2. | Non cellular organization, crystalline inert structure outside a living cell |
3. | Cellular organization, crystalline inert structure in a living cell |
4. | Cellular organization, crystalline inert structure outside a living cell |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.