How many chloroplasts are present in a typical plant cell?

Question

a. 2-4

b. 20-40

c. 200-400

d. 2000-4000

Question 2.

A vial with water, bromothymol blue, carbon dioxide, and a plant are left for 24 hours in the light. The colour of the solution turns from yellow to blue. This color change is due to the plant.

A. releasing oxygen into the solution through cellular respiration

B. releasing carbon dioxide into the solution through photosynthesis

C. removing oxygen from the solution by cellular respiration

D. removing carbon dioxide from the solution by photosynthesis

Answer 1

1.A typical leaf cell may have 50-100 chloroplasts - http://lifesci.rutgers.edu/~fong/12.htm

2.D. removing carbon dioxide from the solution by photosynthesis

Answer 2

1. c. 200-400

2. D. removing carbon dioxide from the solution by photosynthesis.

Answer 3

D.