Unit 2 Test Review

The main source of energy for all life comes from ____.

• the Earth
• the moon
• the sun
• the food we eat/make

Which statement about photosynthesis is correct?

• Plants get the energy they need for photosynthesis from water.
• Plants get the energy they need for photosynthesis from soil.
• Plants get the energy they need for photosynthesis from sunlight.
• Plants do not require energy to perform photosynthesis.

What are the products of photosynthesis?

• Carbon dioxide and water
• Carbon dioxide and oxygen
• Glucose and oxygen
• Glucose and water

What pigment absorbs sunlight for photosynthesis?

• chloroplast
• thylakoid
• grana
• chlorophyll

Which of the following is the correct equation for PHOTOSYNTHESIS?

• 6CO₂ + 6H₂O --> 6O₂ + C₆H₁₂O₆
• 6CO₂ + C₆H₁₂O₆ + 6H₂O --> O₂ 
• 6O₂ + 6H₂O --> 6CO₂ + C₆H₁₂O₆
• C₆H₁₂O₆ + 6O₂ ---> 6H₂O + 6CO₂ 

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

In which  organelle does photosynthesis occur?

• mitochondria
• stomata
• xylem
• chloroplast

Animal cells do not have chloroplasts.

• TRUE
• FALSE

Cellular respiration takes place in the

• nucleus
• cytoplasm
• ribosomes
• mitochondria

This organelle could likely be found in 

• plant cells only.
• animal cells only.
• prokaryotes only.
• plant and animal cells.