NEET Botany Ecosystem Class 12 Questions

Select the condition which helps in increasing the rate of decomposition of detritus.

Match the column :

How many of the following are the important steps in the process of decomposition? Humification, Anabolism, Fragmentation, Leaching, Mineralisation

Which one of the following is a functional unit of an ecosystem?

In an aquatic ecosystem which type of food chain is major conduit for energy flow is :

What is the primary source of energy for all ecosystems on Earth?

What happens to the amount of energy as it moves through successive trophic levels in an ecosystem?

What is the rate of production of organic matter during photosynthesis called?

What percentage of photosynthetically active radiation (PAR) do plants capture?

What are the two main types of primary productivity in an ecosystem?

What is the term for the rate of organic matter production during photosynthesis in an ecosystem?

What initiates the detritus food chain (DFC)?

What begins the detritus food chain?

What term describes the organic matter that accumulates in the soil and is resistant to microbial action?

What serves as a reservoir of nutrients in an ecosystem?

What happens to the amount of energy as it moves through successive trophic levels in an ecosystem?

Which type of ecological pyramid is characterized by a sharp decrease in biomass at higher trophic levels?

Which components of an ecosystem are classified as biotic?

Which of the following components are classified as abiotic in an ecosystem?

What happens to the amount of energy as it moves through successive trophic levels?

What happens to the amount of energy as it moves up successive trophic levels in an ecosystem?

What are organisms that decompose dead organic matter in the detritus food chain called?

What is the primary role of decomposers in a detritus food chain?

Which factor primarily influences the rate of decomposition in an ecosystem?

What substance is produced during the decomposition of organic matter that serves as a reservoir of nutrients?

Which of the following is classified as a biotic component of an ecosystem?

What are the biotic components of an ecosystem?

Which of the following components of an ecosystem includes air, water, and soil?

What is the term used to describe the mass of living material at a particular time in an ecosystem?

What is the main source of energy for decomposers in an ecosystem?

What is the term used to describe the mass of living organisms at a particular time in an ecosystem?

What initiates the detritus food chain?

What is the primary source of energy for all ecosystems on Earth?

What is the primary factor that affects the rate of decomposition in detritus?

What is the process called by which humus is further degraded by certain microbes to release inorganic nutrients?

Which of the following statements about energy flow in an ecosystem is correct?

Which of the following statements about ecosystem components is correct?

Which of the following statements about the components of an ecosystem is correct?

Which of the following statements about energy flow in ecosystems is correct?

Which of the following statements about energy flow in ecosystems is correct?

Which combination of statements about ecosystem components is correct?

Which of the following statements about food chains and webs in ecosystems is correct?

Which of the following statements about decomposition in ecosystems is correct?

Which of the following combinations accurately describe the components and structure of an ecosystem?

Which of the following statements about ecosystem components is correct?

Which of the following statements about energy flow in ecosystems is correct?

Which of the following combinations correctly describes components of an ecosystem?

Which of the following combinations correctly describe the flow of energy in an ecosystem?

Which of the following combinations correctly describes energy flow and biomass distribution in an ecosystem?

Which of the following statements about food chains and webs is correct?