State True (T) or False (F) to the given statements and select the correct option

(A)	Abundance of lichens in any area indicates that the area is highly polluted with SO2.
(B)	Mycobiont partner of lichens is always heterotrophic.
(C)	Body of lichens is made up of phycobionts only.

     (A) (B) (C)
1.   T    T    F
2.   F    T    F 
3.   F    F    F
4.   T    F    F

Which of the given statement is not true for viruses?

Organisms responsible for causing ‘red tide’ are also
characterized by
1. Presence of stiff cellulosic plates. 
2. Obligate saprophyte.
3. Presence of two longitudinal flagella.
4. Filamentous body made up of trichomes.

Group of organisms in which cell wall forms two thin overlapping shells are
1. Responsible for bioluminescence.
2. Chief producers of ocean.
3. Prokaryotes.
4. Heterotrophs.

Select incorrect statement with respect to the following group
of organisms and their characteristics

1. Chrysophyte            –    Includes diatoms and
                                       desmids, Planktonic
                                       organism.
2. Dinoflagellate           –   Mostly marine and
                                       photosynthetic, cell wall has
                                       stiff cellulosic plate
                                       on outer surface.
3. Euglenoids               –  Majority of them are fresh
                                      water, cell wall is absent.
4. Slime mould             –  Saprophytic motile spores
                                       with true walls

According to R.H. Whittaker Chlamydomonas and
Chlorella will be kept under

1. Monera 

2. Protista

3. Plantae 

4. Both 2 & 3

Morels and Agaricus have edible fruiting bodies and
belong to their respective class as.

1. Ascomycetes and Basidiomycetes.
2. Basidiomycetes and Ascomycetes.
3. Ascomycetes and Phycomycetes.
4. Basidiomycetes only

An artificial group within fungi is
1. Ascomycetes

2. Deuteromycetes

3. Basidiomycetes

4. Phycomycetes

After karyogamy followed by meiosis, spores are produced exogenously in

1. Neurospora

2. Saccharomyces

3. Agaricus

4. Alternaria

Heterotrophic, eukaryotic, multicellular organisms lacking a cell wall are included in the kingdom.

1. Protista

2. Fungi

3. Plantae

4. Animalia