Lichens

Q.

The algal component of a lichen is known as

1. phycobiont

2. phycocyanin

3. phycoerythrin

4. mycobiont

Q.

Which of the following are most suitable indicators of SO2 pollution in the environment?

1. Conifers

2. Algae

3. Fungi

4. Lichens

Q. The fungal partner of lichens mostly belongs to

1. Zygomycetes
2. Ascomycetes
3. Deuteromycetes
4. Oomycetes

Q.

Lichens are well known combination of an alga and a fungus where fungus has :

1. An epiphytic relationship with the alga

2. A parasitic relationship with the alga

3. A symbiotic relationship with the alga

4. A saprophytic relationship with the alga

Q. Which among the following is the reproductive structure in lichen?

1. Soredia
2. Asci
3. Basidia
4. Conidia

Q.

Symbiotic association between algae and fungi is called:

1. Mycorrhiza

2. Lichen

3. Rhizobium

4. Moss

Q.

why do slime moulds and bacteria form spores under unfavorable conditions ?

Q.
Which of the following is the most suitable indicator of $S{O}_2$ pollution in the environment?

1. Lichens
2. Conifers
3. Algae
4. Fungi

Q.

What do the terms phycobiont and mycobiont signify?

Q. Which of the following statements is $\text{incorrect}$ w.r.t. lichen?

1. They can tolerate extreme desication
2. They are indicators of $S{O}_2$ pollution
3. They live under humid and exposed conditions
4. It is a temporary association of algae and fungi

Q. A lichen is an example of a symbiotic relationship between a fungus and an alga. Identify the right statement(s) below based on the function of the fungal member.

1. Provides protection for the algae
2. Provides anchorage for the algae
3. Absorb water and minerals for algae
4. All of the above