Question

1. photosynthesis chemically combines two products. name them.
2. photosynthesis also requires energy and the green substance called
3. in which part of a plant does most photosynthesis take place?

study figure b carefully. then answer these questions.

1. in photosynthesis,

a) what are the starting products?
and
and
b) what are the end products?

1. in respiration,

a) what are the starting products?
and
b) what are the end products?

1. a) is energy needed for photosynthesis to take place?

b) is energy produced by respiration?

1. photosynthesis and respiration are the same, opposite reactions.

Explanation:

1. Photosynthesis combines carbon - dioxide and water.
2. It requires energy and chlorophyll (the green substance).
3. Most photosynthesis occurs in the leaves.
4. a) Starting products are carbon - dioxide and water. b) End products are glucose and oxygen.
5. a) Starting products are glucose and oxygen. b) End products are carbon - dioxide, water and energy.
6. a) Yes, energy (from sunlight) is needed for photosynthesis. b) Yes, energy is produced by respiration.
7. Photosynthesis and respiration are opposite reactions.

Answer:

1. Carbon - dioxide, water
2. Chlorophyll
3. Leaves
4. a) Carbon - dioxide, water b) Glucose, oxygen
5. a) Glucose, oxygen b) Carbon - dioxide, water, energy
6. a) Yes b) Yes
7. Opposite