Photosynthesis Factors

18 Questions

What happens to the rate of photosynthesis if the amount of carbon dioxide available to a plant is increased?

It increases up to a point and then becomes constant

Where does the light reaction take place in a chloroplast?

Thylakoid or grana

What is the result of the cyclic phosphorylation reaction in the light reaction?

Production of ATP molecules

What is the shape of the organelles in the mesophyll cells of the palisade tissue where photosynthesis takes place?

Disk-like

What is the effect of high temperature on the rate of photosynthesis?

It first increases and then decreases the rate of photosynthesis

What is reduced to NADPH in the light reaction?

NADP

Where does the dark reaction or Calvin cycle take place?

In the stroma of the chloroplast

What is the product of the light-dependent reactions?

ATP and NADPH

What is the molecule that combines with carbon dioxide to form a 6-carbon compound?

RuBP (Ribulose Bi-Phosphate)

What is the byproduct of photosynthesis that is released into the atmosphere?

Oxygen

What is the energy currency of the cell that is produced during photosynthesis?

ATP

What is the pigment-containing structure where light-dependent reactions take place?

Thylakoid membrane

What is the primary function of chlorophyll in plants?

To trap solar energy and convert it into chemical energy

What happens when water enters into the guard cells?

The stomata pore opens

What is the range of wavelength in visible light?

400-700 nanometre

What is the name of the point where photosynthesis and respiration in a plant are exactly balanced?

Compensation point

What is the function of carotenoids in plants?

To absorb sunlight

What is the by-product of photosynthesis that is released into the atmosphere?