6. Algae are important in the ecosystem as they are the primary producers in:
a) Deserts
b) Grasslands
c) Oceans
d) Mountains
Answer: c) Oceans
7. What is the filamentous structure in algae called?
a) Stipe
b) Frond
c) Thallus
d) Gametophyte
Answer: c) Thallus
8. Algae reproduce asexually through:
a) Binary fission
b) Budding
c) Fragmentation
d) All of the above
Answer: d) All of the above
9. Fungi obtain nutrition by:
b) Ingesting food
c) Absorption
d) None of the above
Answer: c) Absorption
10. The cell wall of fungi is primarily composed of:
a) Cellulose
b) Chitin
c) Peptidoglycan
d) Lignin
Answer: b) Chitin