A location with luxuriant growth of lichens on the trees indicates that the:

1. Trees are very healthy

2. Trees are heavily infested

3. Location is highly polluted

4. Location is not polluted

The motile bacteria are able to move by:

1. fimbriae

2. flagella

3. cilia

4. pili

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

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? 
 

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 of the following statements is incorrect?