Which of the following is not a feature of the members of the class Basidiomycetes?
1. Branched and septate mycelium
2. Asexual spores are generally not formed
3. Vegetative reproduction not seen
4. Dikaryon stage commonly seen
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.
Phylogenetic classification is based on:
1. | Morphological similarities | 2. | Physiological similarities |
3. | Reproductive similarities | 4. | Evolutionary relationships |
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.
The body of Euglenoids is flexible because of presence of:
1. | a cell wall made up of pseudopeptidoglycan |
2. | a protein rich pellicle and absence of cell wall |
3. | a phosphate ether bonding in phospholipids in cell membrane |
4. | lipopolysaccharide layer in the outer cell wall |
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 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.