6.LS.2 Photosynthesis Question Preview (ID: 8997)


Basic Concepts Of Photosynthesis And Cellular Respiration. TEACHERS: click here for quick copy question ID numbers.

What happens to the water molecule during photosynthesis?
a) It combines with the CO2
b) It splits into H2 and O and the H2 combines with the CO2 molecule
c) It splits and the O combines with the CO2 molecule
d) It is lost

The stoma allows what to enter and leave the leaf.
a) H2O
b) O2
c) H2O, CO2 and O2
d) none of the above

During photosynthesis, what gas do plants release?
a) oxygen
b) carbon dioxide
c) water
d) nitrogen

Photosynthesis is important because...
a) plants need air to breathe
b) it makes the plants green
c) it is the process by which plants make their own food
d) without it, the Earth would all be a desert- We would all die!

The energy that starts the process of photosynthesis comes from...
a) sunlight
b) grana
c) the breakdown of sugar in the plants
d) chlorophyll that is taken from the soil

The process by which cells use oxygen to produce energy from food is called....( we do it all the time)
a) photosynthesis
b) transpiration
c) cellular respiration
d) germination

By which process do plants make their own food from CO2 and H2O?
a) cellular respiration
b) transpiration
c) chlorophyll
d) photosynthesis

What gas do plants take in to make food?
a) natural gas
b) oxygen
c) carbon dioxide
d) oxygen and carbon dioxide

Why are many plants green?
a) plant cells are green
b) plants absorb green light
c) chlorophyll reflects green light
d) rigid cell walls are green

What are the two raw materials of photosynthesis?
a) O2 and water
b) CO2 and O2
c) CO2 and hydrogen
d) CO2 and water

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