Podcast
Questions and Answers
What are the factors that affect the decay of wood?
What are the factors that affect the decay of wood?
- Presence of nitrogen
- Amount of carbon dioxide
- Sunlight exposure
- Acidity level (correct)
Which type of fungi causes undesirable changes like stains and molds in the sapwood?
Which type of fungi causes undesirable changes like stains and molds in the sapwood?
- Toxic fungi
- Pathogenic fungi
- Beneficial fungi
- Decay fungi (correct)
What is the main requirement for wood decay fungi to grow?
What is the main requirement for wood decay fungi to grow?
- Fibre saturation point (correct)
- Presence of sunlight
- Low temperature
- High acidity level
In what conditions do wood members and species become degraded by decay fungi?
In what conditions do wood members and species become degraded by decay fungi?
What is the term often used to describe the degrading activities of wood by biological agencies such as fungi, bacteria, insects, and marine borers?
What is the term often used to describe the degrading activities of wood by biological agencies such as fungi, bacteria, insects, and marine borers?
Which part of forest trees do some wood decay fungi primarily attack?
Which part of forest trees do some wood decay fungi primarily attack?
Which micro-organisms are primarily responsible for the progressive deterioration of wood and wood products through enzymatic activities?
Which micro-organisms are primarily responsible for the progressive deterioration of wood and wood products through enzymatic activities?
What should wood decay fungi mainly depend on for growth in service conditions?
What should wood decay fungi mainly depend on for growth in service conditions?
Why are insects, marine borers, and other animals not considered causes of decay compared to fungi and bacteria?
Why are insects, marine borers, and other animals not considered causes of decay compared to fungi and bacteria?
What is the best indicator of decay in wood that refers to the presence of soft, mushroom-shaped bodies or hard, hoof-shaped structures?
What is the best indicator of decay in wood that refers to the presence of soft, mushroom-shaped bodies or hard, hoof-shaped structures?
What is the term that refers to the percentage loss of oven-dry weight after 12 weeks exposure to decay fungi?
What is the term that refers to the percentage loss of oven-dry weight after 12 weeks exposure to decay fungi?
Which symptom of decay is related to the presence of zonation lines in wood?
Which symptom of decay is related to the presence of zonation lines in wood?
What is the main focus of wood pathology?
What is the main focus of wood pathology?
Which of the following is NOT mentioned as a factor causing wood deterioration?
Which of the following is NOT mentioned as a factor causing wood deterioration?
What does the term 'disease agents' refer to in the context of wood pathology?
What does the term 'disease agents' refer to in the context of wood pathology?
How does timber react to invading organisms?
How does timber react to invading organisms?
What are some bio-agents that can cause wood deterioration, as mentioned in the text?
What are some bio-agents that can cause wood deterioration, as mentioned in the text?
Which represents a key reason for studying physico-mechanical factors in wood pathology?
Which represents a key reason for studying physico-mechanical factors in wood pathology?
What is the primary component of wood that wood decay fungi target for decomposition?
What is the primary component of wood that wood decay fungi target for decomposition?
Which of the following accurately describes the role of decay fungi in the forest ecosystem as stated in the text?
Which of the following accurately describes the role of decay fungi in the forest ecosystem as stated in the text?
In the context of wood decay fungi, what is the significance of basidiomycetous fungi?
In the context of wood decay fungi, what is the significance of basidiomycetous fungi?
How is decay generally observed to progress in living trees?
How is decay generally observed to progress in living trees?
Which group of fungi is mentioned as causing rapid white-rot of several hardwoods?
Which group of fungi is mentioned as causing rapid white-rot of several hardwoods?
Why do wood-rotting fungi need to be specifically adapted to the complexity of organic substrates in wood?
Why do wood-rotting fungi need to be specifically adapted to the complexity of organic substrates in wood?
