Identify the organism that shows the following characteristics.

(a) Zygotic meiosis

(b) Causes red tide of the sea

(c) Mesokaryon organisation

(d) Whirling whips

1.  Noctiluca

2. Gonyaulax

3.  Melosira

4.  Navicula

Which among the following is not a prokaryote?
1. Saccharomyces
2. Mycobacterium
3. Nostoc
4. Oscillatoria

After karyogamy followed by meiosis, spores are produced exogenously in?

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

1. Pseudomonas

2. Mycoplasma

3. Nostoc

4. Bacillus

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

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

The thalloid body of a slime mould (Myxomycetes) is known as:
1. protonema
2. Plasmodium
3. fruiting body
4. mycelium