WorksheetsPhotosynthesis and Carbon Cycle
Total questions: 15
Worksheet time: 11mins
What is the main source of energy for all life things?
The moon
The sun
The food
The earth
Where did the photosynthesis take place?
Mitochondria
Vacuole
Chloroplast
Chlorophyll
What is the green pigment in leaf called?
Chloroplast
Mesophyll
Ribosome
Chlorophyll
In photosynthesis process, plants need....
Oxygen and water
Glucose and oxygen
Carbon dioxide and water
Water and oxygen
Autotroph or heterotroph?
Heterotroph
Autotroph
The correct equation for photosynthesis process is....
O2 + H2O -> CO2 + C6H12O6
CO2 + H2O -> C6H12O6 + O2
C6H12O6 + O2 -> CO2 + H2O
CO2 + C6H12O6 + H2O -> O2
What is the correct graph about the relationship between light intensity and rate of photosynthesis?
In our last experiment, the leaf turns into blue-black/purple after we add the iodine solution. It means that the leaf contains....
Chlorophyll
Magnesium
Starch
Vitamin
The leaf looks pale and yellowing instead of vibrant green. What minerals that’s not enough in the leaf?
Nitrate
Magnesium
Phosphorus
Iron
What minerals that plants need for converting carbohydrates to protein?
Iron
Nitrate
Magnesium
Phosphorus
What process that DOES NOT produce carbon dioxide?
Photosynthesis
Respiration
Burning fossil fuel
Respiration is the process by which animals take in...and release...
Oxygen, carbon dioxide
Carbon dioxide, oxygen
What process that happens in number 2?
Respiration
Photosynthesis
Feeding
Combustion
What process happens in number 1?
Feeding
Combustion
Respiration
Photosynthesis
What is the main cause of the increasing temperature on earth?
The concentration of carbon dioxide is decrease
The concentration of carbon dioxide is increase
The concentration of oxygen is increase
