- 1(current)
Q. No.Match the Column-I with Column-II
|
Column-I |
Column-II |
||
|
(a) |
Saprophyte |
(i) |
Symbiotic association of fungi with plant roots |
|
(b) |
Parasite |
(ii) |
Decomposition of dead organic materials |
|
(c) |
Lichens |
(iii) |
Living on living plants or animals |
|
(d) |
Mycorrhiza |
(iv) |
Symbiotic association of algae and fungi |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (ii) | (i) | (iii) | (iv) |
Lichens can be used as:
1. Bio-indicator for water and air pollution
2. Initial vegetation for waste lands
3. Source of wood
4. To check the air pollution
There exists a close association between the alga and the fungus within a lichen. The fungus:
| 1. | Provides food for the alga |
| 2. | Provides protection, anchorage and absorption for the alga |
| 3. | Fixes the atmospheric nitrogen for the alga |
| 4. | Releases oxygen for the alga |
Association between mycobiont and phycobiont are found in
1. mycorrhiza
2. root
3. lichens
4. BGA
Which of the following are most suitable indicators of SO2 pollution in the environment?
1. Lichens
2. Conifers
3. Algae
4. Fungi
A location with luxuriant growth of lichens on the trees indicates that the:
1. Trees are very healthy
2. Trees are heavily infested
3. Location is highly polluted
4. Location is not polluted
- 1(current)
Q. No.
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