Multiple Choice Questions on Lichen


1. The Lichens are
a)slow growing, long lived
b) fast growing, long lived
c) fast growing, short lived
d)slow growing, short lived

2. Lichens are not found
a) in big cities
b) arctic region
c)in villages
d) on bare rocks

3. A common phycobiont in lichen is  
a) Trebouxia
b) Cetraria
c) Microcystis
d) Oegogonium

Multiple Choice Questions on Lichen

4. Which of the following is a crutose lichen
A)Usnea
B) Peltigera
C) Usnea
D) Rhizocarpon

5. Lichen reproduce vegetatively by
a)fragmentation
b) soredia
c) isidia
d) all of these

6. Most lichens are
a)homoiomerous
b)heteromerous
c)both
d)none of these

7. Lichens growing on rocks are called  
a)corticoles
b)saxicoles
c)lignicoles
d)terricoles

8.  Which of the following is an edible lichen?
a)Ramalina
b)Lobaria
c)Cetraria
d) Ochrolechia

9.  Lichen are important in studies on atmosphere pollution because they
a)can also grown in greatly polluted atmosphere
b)very sensitive to pollutants
c)can readily multiply in polluted atmosphere
d)efficiently purify the atmosphere

10. Lichen are formed by the association of  
 a)ascomycetes only, with algae only
b)ascomycetes or basidiomycetes with algae or cyanobacteia
c)basidiomycetes only with alage or cyanobacteria
d)ascomycetes only, with algae only
Answers:
1. a)slow growing, long lived
2. a) in big cities
3. a) Trebouxia
4. D) Rhizocarpon
5. d) all of these
6. b)heteromerous
7. d)terricoles
8. c)Cetraria
9. b)very sensitive to pollutants
10. b)ascomycetes or basidiomycetes with algae or cyanobacteia

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