Topic 6 : Plant Nutrition

Which of the following is an equation for photosynthesis?

• 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

• CO₂ + H₂O → C₆H₁₂O₆ + 6O₂

• C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O

• 6CO₂ + 6H₂O → 6C₆H₁₂O₆ + 6O₂

What is the function of chlorophyll?

• provide energy

• absorb light energy and convert it to chemical energy

• store nutrients

• transport water

Which of the following is the product of photosynthesis?

• oxygen

• carbon dioxide

• water

• sunlight

Rate of photosynthesis can be affected by several factors except:

• temperature

• light intensity

• wind speed

• concentration of carbon dioxide

Define limiting factor

• something present in the environment in such short supply that its limit the life process.

• process that convert starch into glucose

• something present that does not affect the life process

• enzyme activity

one adaptation of the leaves for photosynthesis is ______________

• broad and flat shaped

• thick layer of cuticle

• narrow shaped

• less chloroplast in the palisade layer

Which cell contain no chloroplast?

• guard cell

• palisade mesophyll cell

• epidermis cell

• spongy mesophyll cell

What type of cell shown in the diagram?

• xylem

• phloem

• guard cells

• spongy mesophyll cell

Define photosynthesis

Deficiency in _____________ causes the edge of leaf turns yellow.