Fungi and Their Importance

What is a unique feature of fungi in terms of nutrient absorption?

• They rely on symbiotic relationships for nutrients.

• They absorb nutrients directly from sunlight.

• They digest food externally and then absorb nutrients.

• They absorb nutrients through photosynthesis.

Why are fungi important in the ecosystem?

• They are the main source of food for herbivores.

• They produce oxygen.

• They are primary producers.

• They decompose organic matter and recycle nutrients.

What are hyphae in fungi?

• Photosynthetic cells.

• Thick, woody structures.

• Thin filaments that make up the mycelium.

• Reproductive spores.

How do yeast cells reproduce?

• Through binary fission.

• By forming spores.

• Through budding.

• By fragmentation.

What is the role of mycorrhizae in plant growth?

• They help plants absorb nutrients and moisture.

• They produce toxins that deter herbivores.

• They compete with plant roots for nutrients.

• They cause diseases in plants.

Which of the following is a parasitic fungus?

• Mushroom

• Yeast

• Athlete's foot fungus

• Penicillium

What was the first antibiotic discovered from fungi?

• Penicillin

• Tetracycline

• Erythromycin

• Amoxicillin

How do fungi contribute to medicine?

• They are used in vaccines.

• They are the main ingredient in cough syrups.

• They produce antibiotics.

• They are used as painkillers.

What is the economic impact of parasitic fungi on agriculture?

• They improve soil fertility.

• They have no impact.

• They increase crop yield.

• They destroy food crops and affect the economy negatively.

What is the relationship between fungi and plant roots called?

• Parasitism

• Mutualism

• Predation

• Commensalism