Question
The data show the results of an investigation on osmosis using sticks of potato.
Which statements explain this change in length?
Answer/Explanation
Ans
D
Question
Protoplasts are plant cells that have had their cell walls removed.
What happens if plant protoplasts are placed in distilled water?
A They get larger and become turgid.
B They get larger and burst.
C They get smaller and become plasmolyzed.
D They get smaller and shrivel up.
Answer/Explanation
Ans
B
Question
Which row describes osmosis?
Answer/Explanation
Ans: B
Question
The diagram shows a plant cell after it has been submerged in a solution, P, for 20 minutes.
Answer/Explanation
Ans
C
Question
Which part of a plant root hair is partially permeable?
A the cell sap
B the cell surface membrane
C the cell vacuole
D the cell wall
Answer/Explanation
Ans: B