The thalloid body of a slime mould (Myxomycetes) is known as:
1. protonema
2. Plasmodium
3. fruiting body
4. mycelium
The bacterium (Clostridium botulinum) that causes botulism is:
1. a facultative anaerobe
2. an obligate anaerobe
3. a facultative aerobic
4. an obligate aerobic
What is common about Trypanosoma, Noctiluca, Monocystis, and Giardia?
1. These are all unicellular protists
2. They have flagella
3. They produce spores
4. These are all parasites
Which of the following environmental conditions are essential for the optimum growth of Mucor on a piece of bread?
(A) | The temperature of about 25 °C |
(B) | The temperature of about 5 °C |
(C) | Relative humidity of about 5% |
(D) | Relative humidity of about 95% |
(E) | A shady place |
(F) | A brightly illuminated place |
Choose the answer from the following options:
1. A, C, and E only
2. A, D, and E only
3. B, D, and E only
4. B, C, and F only
Evolutionary history of an organism is known as:
1. Phylogeny
2. Ancestry
3. Palaeontology
4. Ontogeny
The causative agent of mad-cow disease is a:
1. bacterium
2. prion
3. worm
4. virus
Which pair of the following belongs to Basidiomycetes?
1. Bird's nest fungi and Pufballs
2. Puffballs and Claviceps
3. Peziza and Stinkhorns
4. Morchella and Mushrooms
Ergot of rye is caused by a species of:
1. Phytophthora
2. Uncinula
3. Ustilago
4. Claviceps
Which of the following is a slime mould?
1. Rhizopus
2. Physarum
3. Thiobacillus
4. Anabaena
1. | archaebacteria that contain protein homologous to eukaryotic core histones |
2. | archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled |
3. | bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria |
4. | bacteria that contain a cytoskeleton and ribosomes |