Photosynthesis and Carbon Cycle

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?

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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