Photosynthesis

Front

The heterotroph hypothesis explains

Back

how plants first evolved from heterotrophs

Front

What is the correct equation for photosynthesis? Options: C₆H₁₂O₆ + 6O₂ --> 6CO₂ + 6H₂O, 6CO₂ + 6O₂ --> C₆H₁₂O₆  + 6H₂O,  6CO₂ + 6O₂ --> 6H₂O + C₆H₁₂O₆, 6CO₂ + 6H₂O  -->  6O₂ + C₆H₁₂O₆

Back

6CO₂ + 6H₂O  -->  6O₂ + C₆H₁₂O₆

Front

What do the carbon reactions produce?

Back

Glucose, NADP⁺, ADP + P

Front

What do the light reactions produce?

Back

ATP, NADPH, O₂

Front

What leaf structure prevents water loss? Options: spongy mesophyll, cuticle, stoma, phloem

Back

cuticle

Front

What tissue contains cells where the majority of photosynthesis takes place? Options: spongy mesophyll, palisade mesophyll, upper epidermis, guard cells

Back

palisade mesophyll

Front

What can change shape to open and close the stoma? Options: guard cells, xylem, phloem, vascular bundle

Back

guard cells

Front

After sugars are formed in photosynthesis, what structure do they travel through to reach the fruits of the plant? Options: xylem, cuticle, phloem, roots

Back

phloem

Front

What type of solutions would cause a guard cell to open?

Back

hypotonic

Front

Which environmental condition causes stomata to close? Options: Low CO₂ level, Rain, K⁺ moving into the guard cells, darkness

Back

darkness