Photosynthesis Quiz

Which metal ion is a constituent of chlorophyll?

• Iron

• Magnesium

• Copper

• Zinc

Which range of wavelength (in nm) is calle photosynthetically active radiation (PAR)

• 100-390

• 390-430

• 400-700

• 760-10000

Maximum photosynthesis occurs in?

• Blue

• Red

• Green

• Violet

Dark reaction in photosynthesis is called so because

• It can occur in dark also

• It does not depend on light energy

• It cannot occur during day light

• It occurs more rapidly at night.

Number of Calvin cycles required to generate a molecule of hexose is

• 2

• 6

• 4

• 8

Plants purify air during

• Photosynthesis

• Respiration

• Transpiration

• Desiccation

Chlorophyll appears green because it

• Reflects green light

• Transmits green light

• Absorbs green light

• Transforms green light.

What is the primary purpose of photosynthesis?

• To produce oxygen

• To produce glucose

• To absorb carbon dioxide

• To release energy

Which of the following is a reactant in the process of photosynthesis?

• Oxygen

• Glucose

• Carbon dioxide

• Water

Which pigment in the chloroplast absorbs sunlight for photosynthesis?

• Hemoglobin

• Chlorophyll

• Carotene

• Phycobilin