a) Soredia2. In sexual reproduction, the fruiting body formed is of
b) Isidia
c) fragmentation
d) all of these
a) apothecium type3. Asexual reproduction in lichen takes place by formation of
b) perithecium type
c) both and b
d) none of these
a) zygopores4. In lichens, sexual reproduction is carried out by
b) aplanospores
c) pycnidiospores
d) chlamydospores
a) fungal partner5. The male reproductive organ is called
b) algal partner
c) both a and b
d) depends on habitat
a) carpogonium6. The female reproductive organ is called
b) trichogyne
c) hymenium
d) spermagonium
a) carpogonium7. The fertile layer of ascocarp where ascus is located is called
b) trichogyne
c) hymenium
d) spermagonium
a) paraphysis8. Each ascus contains generally
b) hymenium
c) peridium
d) subhymenium
a) 2 ascospores9. If both algal cells and fungal hyphae are uniformly distributed in lichen formation, then called as
b) 4 ascospores
c) 8 ascospores
d)16 ascospores
a) homoisomerous lichen10. Litmus is obtained from
b) heteroisomerous lichen
c) homoheteroisomerous
d)hemiisomerous lichen
a) Usnea11. Which of the lichen is used to treat hydrophobia?
b) Cladonia
c) Peltigera
d) Roccella

a) Peltigera12. Usnic acid, a broad spectrum antibiotic is obtained from
b) Cetraria
c) Cladonia
d) Graphis
a) Usnea13. Which of the following lichen is called as the “reindeer moss” (food for reindeer)
b) Cladonia
c) both a and b
d) Usnea only
a) Cetraria islandica14. Which of the following lichen are the pioneers in xerosere
b) Cladonia rengiferina
c) Peltigera canina
d) Evernia
a) foliose lichens15. Letharia vulpine is a poisonous lichen as they secrete
b) leprose lichens
c) crustose lichens
d) frusticose lichen
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Letharia vulpine |
a) letharic acidAnswers
b) vulpinic acid
c) usnic acid
d) selinium
1. d) all of these
2. c) both and b
3. c) pycnidiospores
4. a) fungal partner
5. d) spermagonium
6. a) carpogonium
7. b) hymenium
8. c) 8 ascospores
9. a) homoisomerous lichen
10. d) Roccella
11. a) Peltigera
12. c) both a and b
13. b) Cladonia rengiferina
14. c) crustose lichens
15. b) vulpinic acid
2. c) both and b
3. c) pycnidiospores
4. a) fungal partner
5. d) spermagonium
6. a) carpogonium
7. b) hymenium
8. c) 8 ascospores
9. a) homoisomerous lichen
10. d) Roccella
11. a) Peltigera
12. c) both a and b
13. b) Cladonia rengiferina
14. c) crustose lichens
15. b) vulpinic acid