SC.6.N.2.2

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

• condensation

• evaporation

• transpiration

• exhaling

Tags

NGSS.MS-LS2-3

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

• combustion

• cellular respiration

• photosynthesis

• decomposition

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

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

• respiration

• transpiration

• combustion

• photosynthesis

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

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.HS-LS1-5

NGSS.HS-LS2-5

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.HS-LS1-5

NGSS.HS-LS2-5

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.HS-ESS3-4

NGSS.HS-LS2-7

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-ESS2-4

Which of the following statements best describe the oxygen cycle?

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

• A cycle that involves photosynthesis and respiration

• A cycle that involves the use of water and carbon

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

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Scientific knowledge is based on empirical evidence. Which of the following is NOT true about scientific knowledge?

• It is open to change.

• It has been tested.

• It is long lasting.

• It provides absolute truths.

Tags

NGSS.MS-PS1-2

Scientific understandings can change as new information is discovered. Which of the following is an example of how scientific understandings have changed?

• The law of universal gravitation has not been tested many times and is no longer taught in science.

• The understanding of mountain building and earthquakes changed once people accepted the theory of plate tectonics

• People once thought Earth was round. Now they understand that it is flat.

• The inclined plane, which is a simple tool that may have been used by the Egyptians to build the pyramids, now has other applications.

Tags

NGSS.HS-ESS1-5