Font size
WorksheetsStages of photosythesis
Total questions: 20
Worksheet time: 26mins
Which best describes the activity of autotrophs?
The use the energy harvest by heterotrophs
They use the energy harvested by other photosynthesizers
They convert carbon dioxide and water into complex, energy-rich organic molecules
They use sunlight to break down large complex, energy-rich organic molecules
Which is released as a byproduct of photosynthesis?
Carbon Dioxide
Oxygen
Carbon
Water
Which best describes light-independent reactions?
They are the first stage of photosynthesis.
They utilize the energy stored in ATP and NADPH.
They use carbon dioxide to synthesize proteins.
They create energy-rich ATP and NADPH.
Why do we perceive chlorophyll as being green?
Because it is green.
Because it absorbs green light.
Because it reflects green light.
Because it absorbs yellow light.
Which would you expect to increase the rate of photosynthesis?
increasing the carbon dioxide concentration
decreasing the intensity of exposure to red light
increasing the oxygen concentration
decreasing the duration of exposure to red light
Which could be used to monitor the rate of photosynthesis in a plant?
carbon dioxide production
water production
oxygen production
hydrogen production
Which organelle is responsible making food (Glucose) using sunlight?
Cell Membrane
Nucleus
Chloroplast
Mitochondria
Where do the dark reactions (Calvin cycle) take place?
thylakoid membrane
lumen
stroma
The stacks of disks in the chloroplast are called:
Lamellae
Grana
Stroma
Thylakoid
During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.
True
False
The openings that are found in the leaves of plants are called:
Stomata
Chlorophyll
Xylem
Chloroplast
