Which of the following is NOT a direct product of the anaerobic decomposition of organic matter by methanogens?
Methane
Carbon dioxide
Water
Oxygen
Related Questions
Which of the following factors does NOT significantly affect the rate of decomposition?
Temperature
Moisture
Oxygen availability
Atmospheric pressure
A sample of detritus undergoes decomposition under controlled conditions. Initially, the C:N ratio is 40:1. After a significant period, the fungal biomass significantly increases. What is the MOST LIKELY change in the C:N ratio of the remaining detritus?
Increases
Decreases
Remains the same
Fluctuates unpredictably
The decomposition of organic matter by microorganisms is called:
Combustion
Fermentation
Biodegradation
Neutralization
Osmotrophs belong to
Primary consumers
Secondary consumers
Top carnivores
Decomposers
The rate of decomposition is faster in the tropical rainforest than in the temperate forest. This is primarily due to:
Lower biodiversity
Higher temperature and humidity
Slower nutrient cycling
Greater abundance of coniferous trees
Excessive moisture inhibit the process of decomposition due to
Anaerobiasis
Aerobiasis
Photoxidation
Photophosphorylation
The 'detritus food chain' plays a crucial role in ecosystem functioning. Which of the following statements BEST describes its significance?
It represents the flow of energy from predators to prey.
It is the primary pathway for energy transfer in aquatic ecosystems.
It facilitates nutrient cycling and energy flow by breaking down dead organic matter.
It focuses on the transfer of energy from producers to primary consumers.
Which of the following organisms form the decomposers?
Pteris
Bacteria
Saprophytic fungi
Both (b) and (c)
Which of the following factors would likely slow down the rate of decomposition of organic matter?
High nitrogen content
High water content
High lignin and chitin content
Abundance of decomposer microorganisms
The decomposition of dead plants and animals is essential for:
Reducing atmospheric oxygen
Increasing atmospheric carbon dioxide
Nutrient cycling
Depleting soil nutrients
