IS_Unit7_Checkpoint 7.3_E

1(a) Iodine solution can be used to test for the presence of starch.

• True

• False

1(b) Green plants can carry out photosynthesis in the dark.

• True

• False

1(c) Carbon dioxide is a necessary factor for photosynthesis.

• True

• False

2. Below shows the steps of testing for starch in a green leaf

• A. (a) -> (b) -> (d) -> (c)

• B. (d) -> (b) -> (a) -> (c)

• C. (b) -> (d) -> (a) -> (c)

• D. (b) -> (a) -> (d) -> (c)

3(a) How can you destarch a plant?

• A. Place the plant under sunlight for at least 48 hours.

• B. Place the plant in the dark for at least 48 hours.

• C. Put the plant in a transparent bag with soda lime.

• D. Put the plant in a transparent bag with water.

3 (b) Answer the following question.

• A

• B

• C

• D