Which of the following is not a character of Ascomycetes?
1. | Mycelium is unbranched and septate |
2. | Asexual spores conidia are produced exogenously |
3. | Sexual spores called ascospores are produced endogenously |
4. | Conidia on germination produce mycelium |
The major criteria used for classification of Protozoans is:
1. | Nature of cell envelope | 2. | Mode of locomotion |
3. | Mode of heterotrophic nutrition | 4. | Habitat |
African sleeping sickness is caused by a/an:
1. | Amoeboid protozoan | 2. | Flagellated protozoan |
3. | Ciliated protozoan | 4. | Sporozoan |
Kingdom Monera in Whittaker’s Five Kingdom classification is not characterized by:
1. Prokaryote cell type
2. Cellulosic cell wall
3. Absence of nuclear membrane
4. Cellular body organization
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
Phylogenetic classification is based on:
1. | Morphological similarities | 2. | Physiological similarities |
3. | Reproductive similarities | 4. | Evolutionary relationships |
As a group the most extensive metabolic diversity is shown by:
1. | Bacteria | 2. | Protista |
3. | Fungi | 4. | Animals |
Halophiles are archaebacteria adapted to extreme:
1. | Hot habitats | 2. | Saline habitats |
3. | Marshy habitats | 4. | Cold habitats |
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 |
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 |