Photosynthesis and Respiration

Choose the correct process described: Plants and animals break down sugars and metabolize them into CO₂ , water and ATP for energy

• Respiration

• Photosynthesis

• Combustion

• Volcanic eruptions

How does carbon in a grass plant get into a lion?

• The lion eats the grass

• Carbon from grass doesn't end up in a lion. 

• The carbon ends up in the food the lion eats. 

• The lion breathes in carbon given out by the plant

Which of the following absorb carbon dioxide from the atmosphere?

• Plants

• The ocean

• Sedimentary rocks

• all of these

The carbon cycle is shown in the diagram above. From this information, which statement correctly describes a step in the carbon cycle?

• Photosynthesis adds carbon directly to the lithosphere.

• Plant respiration adds carbon directly to the atmosphere.

• Burning fossil fuels removes carbon directly from the biosphere.

• Animal respiration removes carbon directly from the atmosphere.

What term describes a process in which plants absorb carbon from the atmosphere?

• evaporation

• photosynthesis

• respiration

• transpiration

The diagram above shows the exchange of carbon on Earth. Which biological processes are represented at X and Y in the diagram?

• X: decomposition; Y: fermentation

• X: cellular respiration Y: decomposition

• X: photosynthesis; Y: cellular respiration

• X: fermentation; Y: photosynthesis

Which process is responsible for converting light energy into chemical energy in plants?

• Photosynthesis

• Respiration

• Fermentation

• Digestion

What is the main gas released by plants during photosynthesis?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Methane

In which part of the plant does photosynthesis primarily occur?

• Leaves

• Roots

• Stem

• Flowers

Which process occurs in the mitochondria of cells?

• Respiration

• Photosynthesis

• Transpiration

• Germination