Question

question 4
which set of molecules are the main reactants in photosynthesis?
a glucose and oxygen
b carbon dioxide and water
c chlorophyll and sunlight
d oxygen and water
question 5
photosynthesis mainly occurs in the __ of plant cells, which contain the pigment __.
word bank:
mitochondria nucleus chloroplasts chlorophyll
question 6
why are most plants green in appearance?
a chlorophyll absorbs all colors except green.
b they reflect red light.
c glucose makes them green.
d stomata produce green pigment.

Explanation:

For Question 4: Photosynthesis is the process by which plants use light - energy to convert carbon dioxide and water into glucose and oxygen. So the main reactants are carbon dioxide and water.
For Question 5: Photosynthesis mainly occurs in chloroplasts of plant cells which contain the pigment chlorophyll.
For Question 6: Chlorophyll absorbs most colors of light except green which it reflects, making plants appear green.

Answer:

Question 4: B. Carbon dioxide and water
Question 5: chloroplasts, chlorophyll
Question 6: A. Chlorophyll absorbs all colors except green