Choose the wrong statement:

1.	Penicillium is multicellular and produces antibiotics.
2.	Neurospora is used in the study of biochemical genetics.
3.	Morels and truffles are poisonous mushrooms.
4.	Yeast is unicellular and useful in fermentation.

In which group of organisms the Cell walls form two thin overlapping shells which fit together?

Pick up the wrong statement.

Which of the following are most suitable indicators of SO₂ pollution in the environment?
1. Lichens
2. Conifers
3. Algae
4. Fungi

Which one of the following matches is correct? 

The guts of a cow and a buffalo possess:

1. Fucus sp
2. Chlorella sp
3. methanogens
4. cyanobacteria

Five kingdom system of classification suggested by R.H. Whittaker is based on:

1. Complexity of body organisation

2. Mode of reproduction

3. Mode of nutrition

4. All of the above

Which of the following shows coiled RNA strand and capsomeres?

Viruses have:
1. DNA enclosed in a protein coat
2. Prokaryotic nucleus
3. Single chromosome
4. Both DNA and RNA

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