Most Important Lichens MCQ's
Lichenology is the branch of botany concerned
with the scientific study of Lichens. Lichenologists are people who
have an active interest in observing, recording, classifying or researching lichens. In this article, we will explore some multiple-choice
questions (MCQ) related to Lichenology to
test your knowledge. Enjoy the journey through time as we delve into the
fascinating world of lichens !
1. Lichen Show
a. Parasitic relation of fungi on algae
b. Mycorrhizal relationship of algae & Fungi
c. Symbiosis of algae & Fungi
d. Commensalism
Answer : c. Symbiosis of algae & Fungi
2. A semi parasite relationship between the algal and fungal components of a lichen is termed as
a. Helotism
b. Epiphytism
c. Parasitism
d. Predation
Answer : a. Helotism
3. In majority of lichens the algal and fungal partner belong to
a. Green algae and ascomycetes
b. Blue green algae and Basidiomycetes
c. Green algae and any fungi
d. Green algae and deuteromycetes
Answer : a. Green algae and ascomycetes
4. Lichen is a pioneer vegetation of
a. Hydrosere
b. Psammosere
c. Lithosere
d. Halosere
Answer : c. Lithosere
5. A prothallus is
a. A structure in pteridophytes formed before the thallus develops
b. A gametophyte free living structure formed in pteridophytes
c. A sporophytic free living structure formed in pteridophytes
d. A primitive structure formed after fertilization in pteridophytes
Answer : b. A gametophyte free living structure formed in pteridophytes
6. Most common phycobiont in a lichen is :
a. Microcystis
b. Trebouxia
c. Ulothrix
d. Spirogyra
Answer : b. Trebouxia
7. Lichen are best indicators of
a. Air pollution
b. Water pollution
c. Soil pollution
d. All type of pollution
Answer : a. Air pollution
8. Lichen do not like to grow in cities because of the
a. Absence of the right type of algae and fungi
b. Lack of moisture
c. SO2 pollution
d. Absence of natural habitats
Answer : c. SO2 pollution
9. "Old man's beard" is the common name of : -
a. Funaria
b. Cladonia
c. Usnea
d. Rocella tinctoria
Answer : c. Usnea
10. Reindeer moss is common name of : -
a. Usnea comosa
b. Cladonia rangiferina
c. Funaria hygrometrica
d. Sphagnum aceutifolium
Answer : b. Cladonia rangiferina
Most important Algae MCQ's11. These exists a close association between the algae and the fungus within a lichen. The fungus :
a. fixes the atmospheric nitrogen for the algae
b. releases oxygen for the algae
c. Provides protection, anchorage and absorption for the algae
d. Provides food for the algae
Answer : c. Provides protection, anchorage and absorption for the algae
12. Lichens are -
a. Slowest growing plants
b. Grow faster than their components
c. Faster growing plants
d. Grow with normal rate
Answer : a. Slowest growing plants
13. A lichen having much branched system of cylindrical or ribbon - like branches but a small thallus is called as
a. Foliose lichen
b. Fruticose lichen
c. Crustos lichen
d. Thallose lichen
Answer : b. Fruticose lichen
