Photosynthesis Review

What are the 3 reactants of photosynthesis? The reactants are the things needed for photosynthesis to occur.

• oxygen, glucose, sunlight

• sunlight, oxygen, water

• water, oxygen, carbon dioxide

• carbon dioxide, sunlight, water

What pigment captures/absorbs sunlight?

• stomata

• chlorophyll

• chloroplast

• phloem

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

Green plants reflect ________ light.

• Red
• Green
• All
• Red and Violet

What is the organelle that contains the chlorophyll used in photosynthesis ?

• mitochondria
• ribosome
• chloroplast
• nucleus

What is the "waste" gas (product) produced during photosynthesis?

• oxygen
• nitrogen
• helium
• hydrogen

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + glucose
• CO₂ + glucose + H₂O --> O₂ + light
• _O2 + light + H₂O --> CO₂ + glucose
• CO₂ + O₂ + H₂O --> Light+ glucose

What is the chemical formula for glucose?

• C₆H₁₂O₆
• C₆H₆O₁₂
• C₁₂H₆O₁₂
• C₆O₂H₆

What is the chemical formula for carbon dioxide?

• H₂O
• CO₂
• CHO₂
• CO₂H

Which of these conditions would decrease the rate of photosynthesis in a plant?

• Above average precipitation
• Changing the daylight hours from 14 hrs to 10 hrs
• Changing the CO₂ concentration from 380 ppm to 410 ppm
• All of these choices