Q.1
Which of the following go through the process of photosynthesis?
  • bees
  • algae
  • humans
  • mushrooms
Q.2
What gas is being released during photosynthesis
  • sulfur
  • carbon dioxide
  • oxygen
  • hydrogen
Q.3
Which of the following is NOT needed for plants to survive?
  • Sunlight
  • Pesticides
  • Water
  • Carbon Dioxide
Q.4
Where do the stem and leaves get their green color from?
  • glucose
  • carbon dioxide
  • oxygen
  • Chlorophyll
Q.5
What time of day do plants photosynthesize?
  • Nighttime only
  • daytime and night time
  • daytime only
  • only in the summer
Q.6
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
  • Enter: OxygenExit: Carbon dioxide
  • Enter: Water vaporExit: Glucose
  • Enter: Carbon dioxideExit: Oxygen
  • Enter: LightExit: Water vapor
Q.7
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
Q.8
How does carbon dioxide get into the leaves of a plant?
  • It's absorbed by the roots
  • It's made in a chemical reaction in the stem
  • It enters through the stomata
  • It goes through the flowers
Q.9
How does most of the water needed by the plant get into its leaves?
  • It enters through the stomata
  • The roots absorb it and then it travels up the stem
  • It's made during a chemical reaction in the leaf
  • The flowers capture water and deliver it to the leaves
Q.10
Carries food from leaves to other parts of the plant
  • xylem
  • phloem
  • ovary
  • pistil
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