MCQ Plant Respiration and Ecosystems Quiz

Which of the following best describes an ecosystem?

• A single species interacting with its environment

• A community of organisms interacting with their environment

• A group of ecosystems interacting with each other

• A single organism in its habitat

Yeast is used in the production of which of the following through fermentation?

• Bread

• Cheese

• Milk

• Eggs

What is the primary energy source for anaerobic respiration?

• Glucose

• Oxygen

• Carbon dioxide

• Water

Tags

NGSS.HS-LS2-3

Which gas is absorbed by plants during photosynthesis?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What type of respiration occurs in the absence of oxygen?

• Aerobic respiration

• Anaerobic respiration

• Photosynthesis

• Fermentation

Tags

NGSS.HS-LS2-3

What is a consequence of disrupting the food chain and webs in an ecosystem?

• Increased biodiversity

• Stable population growth

• Species extinction

• Balanced nutrient cycling

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

How do plants contribute to the oxygen cycle in ecosystems?

• They release oxygen during photosynthesis

• They absorb oxygen during respiration

• They release oxygen during fermentation

• They absorb oxygen during photosynthesis

Tags

NGSS.MS-LS1-6

What is the primary source of energy in most ecosystems?

• Sunlight

• Wind

• Water

• Soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is an example of a consumer in an ecosystem?

• Sunflower

• Deer

• Moss

• Mushroom

Which of the following is NOT a component of an ecosystem?

• Living organisms

• Abiotic factors

• Soil

• Rocks