1. In Lichens following special vegetative structure is formed as respiratory organs
A) Soredia
B) Isdia
C) Cyphellae
D) Medulla
2. Which among the following known as Manna Lichen?
A)Cetraria islandica
B) Peltigera canina
C) Cladonia sylvatica
D) Lecanora esculenta
3. Litmus, a dye used in laboratories as an indicator of acid-base, is obtained from
A) Rocella
B) Usnea
C) Peltigera
D) Everina
4. Which lichen is known as “Reindeer moss?”
A) Cladonia rengiferina
B) Peltigera canina
C) Lobaria pulmonaria
D) Rocella montaignei
5. --------------- is a drooping pendant fruticose lichen
A) Physcia
B) Cladonia
C) Usnea
D) Haematomma
6. Cyphellae in lichens are analogous to ----------------- in higher plants
A) Palisade tissue
B) Epidermis
C) Bundle sheath
D) Stomata
7. Which among the following lichen is/are used as a source of food?
1. Iceland moss (Cetraria islandica)
2. Wila (Bryoria fremontii)
3. Rock tripe (Umbilicaria esculenta)
A) 1 & 3
B) 1 & 2
C) 2 & 3
D) 1, 2 & 3
8. Minute separable rounded outgrowths of lichen thallus?
A) Cilia
B) Ascospore
C) Soredia
D) Soralia
Answer:
1. C) Cyphellae
2. Lecanora esculenta
3. A) Rocella
4.A) Cladonia rengiferina
5. C) Usnea
6. D) Stomata
7.D) 1, 2 & 3
8. C) Soredia
