Fungi

Question 1

Habitat of fungus

Answer 1

Fungus is located in any ecological habitat and lives in a variety of growth media, such as ground air, water, plants, and animals

Question 2

Nutrition of fungus

Answer 2

All fungi are heterotrophic as it takes its carbohydrates from the substrate it grows on. Black bread mold is a saprophyte as it lives off dead organic material. The enzymes diastase breaks down starces outside the fungal filaments to simple sugars like gucose which are absorbed along with other salts by the hyphae

Question 3

Reproduction of fungus

Answer 3

Black bread mould reproduces both sexually and asexually

Question 4

Asexual reproduction of fungus

Answer 4

groups of hyphae grow upwards from the substrate which is known as sporangiophores. At the end of a sporangiophore, cytoplasm and nuclei gather together and swell t form a sporangium. A convex membrane called a columella from inside the sporangium and

Question 5

Characteristics of fungi

Answer 5

• are Eukaryotes
• avascular.
• Most fungi grow as tubular called hyphae

Question 6

Characteristics of fungi

Answer 6

• Are Eukaryotes
• Avascular.
• Most fungi grow as tubular called hyphae
• Fungus has a vegetative body called thallus composed of hyphae
• Motile fungi contain flagella which are either whiplash or tinsel type
• Fungi have small nuclei with very little repetitive DNA
• Fungi are never autotrophs and are usually found either as opportunistic saprophytes
• Fungi reproduce by means of spores, budding or fragmentation

Question 7

Ecological and economic role of fungi

Answer 7

• plays an important role in breaking down and decay of dead animal and plant material
• crops can be destroyed by fungi causing large financial loss
• financial loss caused by parasitical fungi on animals
• fungi can cause oral thrush, athletics foot
• fungi is in a relationship with algae to form lichens which obtains nutrients from the algae and tre fungus supplies the algae with inorganic nutrients which is called mutualism

Question 8

Aerobic

Answer 8

The presence of oxygen

Question 9

Anaerobic

Answer 9

The absence of oxygen

Question 10

Columella

Answer 10

A dome shaped cross wall separating the sporangium from the sporangiophore