Energy and Matter Movement

Our collection of multiple-choice questions (MCQs) for Energy and Matter Movement based on topics such as energy flow, nutrient cycling, trophic interactions, and biogeochemical cycles.

Whether you’re studying for an exam or seeking to deepen your understanding of ecology, these MCQs offer valuable learning opportunities for students and enthusiasts alike.

Let’s start with MCQs below and expand your knowledge of ecological principles!

MCQ on Energy and Matter Movement

_ make their own food

Producers
Consumers
Decomposers
None of these

Correct Answer

Producers

_ use energy from the Sun to combine carbon dioxide and water and form carbohydrates via photosynthesis

Producers
Consumers
Decomposers
None of these

Correct Answer

Producers

_ can also be called autotrophs

Consumers
Decomposers
Producers
None of these

Correct Answer

Producers

Energy and matter movement refers to the transfer and transformation of energy and substances within ecosystems, playing a crucial role in maintaining ecological balance and supporting life processes.

producers can also be called?

electrotrophs
autotrophs
Heterotrophs
metatrophs

Correct Answer

autotrophs

_ eat producers

Secondary consumers
Tertiary consumer
Primary consumers
None of these

Correct Answer

Primary consumers 

__ eat primary consumers

Secondary consumers
Tertiary consumer
Primary consumers
None of these

Correct Answer

Secondary consumers

_ eat secondary consumers

Secondary consumers
Tertiary consumer
Primary consumers
None of these

Correct Answer

Tertiary consumer

primary consumers are also called?

herbivores
Carnivores
omnivores
None of these

Correct Answer

herbivores

secondary consumers are also called?

herbivores
Carnivores
omnivores
None of these

Correct Answer

Carnivores

_ a sequence of organisms in a community in which each organism feeds on the one below it in the chain

Food web
Food network
Food chain
None of these

Correct Answer

Food chain

Organisms such as humans that eat both plants and animals are called?

herbivores
Carnivores
omnivores
None of these

Correct Answer

omnivores

When all the food chains from an ecosystem are put together, they form an interconnected __

Food web
Food network
Food chain
None of these

Correct Answer

Food web

worms, small insects, crabs, and vultures, that eat the dead are included in _?

omnivores
herbivores
Detritivores
None of these

Correct Answer

Detritivores

_ release enzymes onto dead organisms, breaking them down into smaller components for absorption

omnivores
herbivores
Detritivores
decomposers

Correct Answer

decomposers

Moving Matter within Ecosystem MCQs

_ is also known as the water cycle

The hydrologic cycle
The nitrogen cycle
The phosphorus cycle
The carbon cycle

Correct Answer

The hydrologic cycle

Hydrologic cycle is also called?

Alcohol cycle
Equilibrium cycle
Water cycle
Saturation cycle

Correct Answer

Water cycle

__ may be the most important biogeochemical cycle to living things

The hydrologic cycle
The nitrogen cycle
The phosphorus cycle
The carbon cycle

Correct Answer

The carbon cycle

proteins, carbohydrates, and fats that make up humanbodies all have a _ backbone

sulphur
carbon
Iron
cobalt

Correct Answer

carbon

In _, plants take in carbon dioxide from the atmosphere, using it to build carbohydrates via photosynthesis

The hydrologic cycle
The nitrogen cycle
The phosphorus cycle
The carbon cycle

Correct Answer

The carbon cycle

Fossil fuels contain _ that was stored in the bodies of living things long ago

sulphur
carbon
Iron
cobalt

Correct Answer

carbon

__ occurs when atmospheric nitrogen is changed into a form that’s usable by living things.

Ammonification
Nitrification
denitrification
Nitrogen fixation

Correct Answer

Nitrogen fixation

_ releases ammonia into the soil

Ammonification
Nitrification
denitrification
Nitrogen fixation

Correct Answer

Ammonification

_ converts ammonia to nitrite and nitrate

Ammonification
Nitifrication
denitrification
Nitrogen fixation

Correct Answer

Nitifrication

_ converts nitrate to nitrite and nitrogen gas

Ammonification
Nitifrication
denitrification
Nitrogen fixation

Correct Answer

denitrification