Civil Services Haryana PSC HCS Mock Test 2024 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Consider the following statements about Lichens :
i. Lichens are algae
ii. Lichens are autotrophs
iii. Lichens are fungi
iv. Lichens are symbiotic lifeforms
v. Lichens are saprotrophs
Choose the correct statements :
1
i and v
2
ii and iv
3
i, iii and v
4
ii, iv and v