Decompiston

Question 1

What is decomposition?

Answer 1

The process by which dead organic matter is broken down into simpler organic or inorganic matter.

Question 2

True or False: Decomposers are organisms that break down dead material.

Answer 2

True

Question 3

Name two types of decomposers.

Answer 3

Bacteria and fungi.

Question 4

What role do decomposers play in the ecosystem?

Answer 4

They recycle nutrients back into the soil.

Question 5

Fill in the blank: Decomposers help in the __________ of nutrients.

Answer 5

recycling

Question 6

What are detritivores?

Answer 6

Organisms that consume dead organic material, such as earthworms and woodlice.

Question 7

Multiple Choice: Which of the following is NOT a decomposer? A) Fungi B) Bacteria C) Grass

Answer 7

C) Grass

Question 8

How do decomposers obtain energy?

Answer 8

By breaking down dead organisms and organic waste.

Question 9

What is the importance of moisture in decomposition?

Answer 9

Moisture helps facilitate the breakdown of organic materials.

Question 10

True or False: Decomposition occurs faster in warm conditions.

Answer 10

True

Question 11

What is composting?

Answer 11

A controlled process of decomposition that transforms organic waste into nutrient-rich soil.

Question 12

Fill in the blank: __________ is a process that can be sped up by adding oxygen.

Answer 12

Decomposition

Question 13

What are the end products of decomposition?

Answer 13

Nutrients, carbon dioxide, and water.

Question 14

Multiple Choice: Which factor does NOT affect the rate of decomposition? A) Temperature B) Soil type C) Color of the material

Answer 14

C) Color of the material

Question 15

What is the role of earthworms in decomposition?

Answer 15

They help break down organic matter and aerate the soil.

Question 16

True or False: Decomposition is a part of the carbon cycle.

Answer 16

True

Question 17

What is the significance of nitrogen-fixing bacteria in decomposition?

Answer 17

They convert atmospheric nitrogen into a form usable by plants.

Question 18

Fill in the blank: Decomposers also help in __________ organic compounds.

Answer 18

mineralizing

Question 19

What is anaerobic decomposition?

Answer 19

Decomposition that occurs in the absence of oxygen.

Question 20

Multiple Choice: Which gas is commonly produced during anaerobic decomposition? A) Oxygen B) Methane C) Nitrogen

Answer 20

B) Methane

Question 21

What environmental conditions favor decomposition?

Answer 21

Warmth, moisture, and aerobic conditions.

Question 22

True or False: All decomposers are microorganisms.

Answer 22

False

Question 23

What is the role of fungi in decomposition?

Answer 23

They break down complex organic materials like lignin and cellulose.

Question 24

Fill in the blank: __________ is the process of breaking down dead matter to release energy and nutrients.

Answer 24

Decomposition

Question 25

What is the difference between biotic and abiotic factors in decomposition?

Answer 25

Biotic factors are living organisms involved in decomposition, while abiotic factors are non-living environmental conditions.

Question 26

What is the primary source of energy for decomposers?

Answer 26

Dead organic matter.