NUTRIENT CYCLE IN AN ECOSYSTEM

The process of plants losing water through their leaves is called ____.

• Condensation

• Evaporation

• Transpiration

• Exhaling

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the only process that removes carbon from the atmosphere?

• Combustion

• Cellular respiration

• Decomposition

• Photosynthesis

Tags

NGSS.MS-LS1-6

Which of the following contribute to the increase in the content of water vapour in the air? (Choose more than one answer)

• Rain

• Defecation

• Transpiration

• Photosynthesis

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What is the process where plant absorbs oxygen and release carbon dioxide?

• Transpiration

• Respiration

• Combustion

• Photosynthesis

What is the process where plant absorbs carbon dioxide and release oxygen ?

• Respiration

• Transpiration

• Combustion

• Photosynthesis

Tags

NGSS.MS-LS1-6

Which of the following statements best describe the oxygen cycle?

• A cycle that involves the use of water and carbon

• A cycle that involves photosynthesis and respiration

• A cycle that involves the use of oxygen and carbon dioxide

• A cycle that involves the use and releases of oxygen.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram shows two gases P and Q in a gas cycle. Which of the following are gases P and Q?

• P: Oxygen ; Q: Carbon dioxide

• P: Carbon dioxide; Q: Oxygen

• P: Nitrogen; Q: Carbon dioxide

• P: Nitrogen; Q: Oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What happens to the amount of gases P and Q if all green plants are destroyed?

• P: Increases; Q: Decreases

• P: Increases; Q: Increases

• P: Decreases; Q: Increases

• P: Decreases; Q: Decreases

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

This diagram shows carbon cycle. Which of the following represents X, Y and Z?

• X: Decay ; Y: Respiration ; Z: Photosynthesis

• X: Decay ; Y: Photosynthesis; Z: Respiration

• X: Photosynthesis ; Y: Respiration ; Z: Decay

• X: Respiration ; Y: Decay; Z: Photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram shows human activity that can disturb natural balance. What should be done to reduce the adverse effects of the activity?

• Replanting trees

• Using organic fertilisers

• Using biological control method

• Obliging the use of effluent filters on the smoke funnel

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5