Fungi

During sexual reproduction in club fungi, which of the following steps happens first?

• Hyphae of opposite mating types fuse.

• Nuclei in the basidia fuse.

• Fused hyphae form a mushroom.

• The zygote undergoes meiosis, which forms spores.

Which fungi generally reproduce only sexually?

• Chytrids.

• Zygote fungi.

• Sac fungi.

• Club fungi.

Which of the following is an association between a fungus and the roots of a plant?

• A lichen.

• A mycorrihiza

• A rhizoid

• A mycorhizoid

Imperfect fungi are fungi which have ____________________.

• two nuclei

• both asexual and sexual cycles

• no observed sex stage

• a symbiotic relationship with photosynthetic organisms

Which of the following is not a characteristic of fungi?

• Thread-like body.

• Cell walls made of chitin.

• Chlorophyll.

• Heterotrophic.

A mycelium helps a fungus absorb nutrients from its environment because it provides

_______________________.

• minerals

• a large surface area.

• digestive enzymes.

• a small surface area.

The classification of organisms in the four phyla of the kingdom Fungi is based on

______________________.

• food

• digestive structures

• cellular structure

• sexual reproductive structures

Most fungal spores are formed by ____________________.

• meiosis

• mitosis

• the fusing of hyphae

• the fusing of asci

The tough carbohydrate found in the cell walls of fungi is ________________.

• mycelia

• chitin

• rhizoids

• hyphae

The slender, thread-like filaments that make up the bodies of most fungi are called

______________.

• mycelia

• chitin

• rhizoids

• hyphae