The term "detritivore" includes
1. decomposers
2. primary consumers
3. secondary consumers
4. autotrophs

Which of the following promotes the process of decomposition?

1. Warm and moist environment

2. low temperature

3. Anaerobiosis

4. Lignin and chitin-rich detritus

The rate of decomposition of detritus is slow when

1. It contains lignin, chitin, tannins and cellulose

2. Temperature is more than 25°C

3. It contains proteins

4. There is good aeration

Pheretima and its close relatives derive nourishment from:

1. Sugarcane roots

2. Decaying fallen leaves and soil organic matter

3. Soil insects

4. Small pieces of fresh fallen leaves of maize

What does the process of leaching refers to-

Why do we call the earthworm as the farmer’s friend?

Decomposition would be fast if the detritus contains-

1. Cellulose

2. Lignin and chitin

3. Nitrogen and water soluble sugars

4. Cellulose and pectin

In the process of decomposition ‘catabolism’ is performed by-

1. Earthworms

2. Bacteria

3. Bacteria and fungi

4. Fungi

Which of the following does not affect rate of decomposition?

1. Substrate composition

2. Soil moisture

3. Temperature of soil

4. CO₂

What is the process by which Detritivores break down the detritus into smaller particles.?

1. Degradation

2. Decomposition

3. Fragmentation

4. Leaching