quiz 2: cell boundaries - lowell middlesex academy...

Biology III Ms. Chen

Name: Date:

Quiz 2: Cell Boundaries

Multiple Choice (2 pts each)

Directions: Read each question carefully and circle the best answer. 1. If an animal cell is placed in distilled water, it will swell and burst. The bursting of the cell is a result of which biological process? A. active transport

B. enzyme activity C. Osmosis

D. Respiration

2. Which of the following functions does active transport perform in a cell?

A. packaging proteins for export from the cell B. distributing enzymes throughout the cytoplasm

C. moving substances against a concentration gradient D. equalizing the concentration of water inside and outside the cell

3. Which of the following is a main function of the cell wall?

A. to store carbohydrates for later use B. to give the cell a rigid structure C. to package proteins for export

D. to carry out photosynthesis


4. Which process always involves the movement of materials from inside the cell to outside the cell? A. Endocytosis

B. Diffusion

C. Exocytosis

D. Osmosis

5. Which of the following is NOT an example of active transport?

I. Facilitated diffusion II. Osmosis III. Diffusion A. I only

B. III only

C. I and II only

D. II and III only

E. I, II, and III

6. Many animals have either internal or external skeletons that provide support and structure. Which of the following parts of plant cells play a similar role? A. cell membranes B. cell walls C. chloroplasts D. cytoplasm


7.

8. In a cell, which of the following organelles most likely contains digestive enzymes? A. centriole B. chloroplast C. lysosome D. ribosome


9. Which of the diagrams below best represents the net movement of molecules in osmosis?

A.

B.

C.

D.


10. Scientists believe that the first organisms that appeared on Earth were prokaryotic. Which of the following best represents what the cell structure of these organisms may have looked like?

A.

B.

C.

D.

11.


12.

13. When Streptococcus pneumoniae are exposed to an antibiotic, the bacteria try to pump the antibiotic out of their cells. Which of the following mechanisms is most likely used by the Streptococcus pneumoniae to pump the antibiotic out of their cells? A. active transport B. diffusion

C. facilitated diffusion D. osmosis


14.

15.

16.


17.

18.


19.

20.

21. Which of the following materials are direct products of photosynthesis? A. fats and starches

B. oxygen and sugar C. proteins and amino acids

D. carbon dioxide and water


22. A student views cells from several different prokaryotic and eukaryotic organisms under a high-powered microscope. Which of the following statements describes how the prokaryotic cells appear different from the eukaryotic cells? A. The prokaryotic cells are much larger.

B. The prokaryotic cells do not have nuclei. C. The prokaryotic cells have mitochondria.

D. The prokaryotic cells have a less distinct shape. 23.


24.

25. Which of the following statements describes the role of ATP in animal cells? A. ATP stores and releases energy.

B. ATP forms the channels in the plasma membrane. C. ATP serves as the hereditary material in the nucleus.

D. ATP attaches to and digests unneeded organic molecules. Which of the following diagrams shows a prokaryotic cell?

A.

B.

C.

D.

26. Prokaryotes are structurally simple organisms that have existed for over two billion years. Which of the following are prokaryotes? A. bacteria B. fungi

C. plants D. protists


27. A student is looking at a picture of a cell taken through a microscope. The presence of which of the following would indicate that the cell is eukaryotic? A. cytoplasm

B. DNA C. nucleus

D. plasma membrane 28. In periods of hot, dry weather, the pores on the leaf surfaces of most plants close in order to reduce water loss during the day. When these pores are closed, plants cannot take in carbon dioxide.As a direct result, the rate of which of the following processes decreases? A. cellular respiration B. mitosis

C. nitrogen fixation D. photosynthesis 29. A lab technician needs to determine whether cells in a test tube are prokaryotic or eukaryotic. The technician has several dyes she could use to stain the cells. Four of the dyes are described in the table below.

Dye Test acridine orange stains DNA and RNA osmium tetroxide stains lipids eosin stains cell cytoplasm Nile blue stains cell nuclei

Which dye could the technician use to determine whether the cells are prokaryotic or eukaryotic? A. acridine orange

B. osmium tetroxide C. eosin

D. Nile blue 30. Which of the following matches a cell organelle with its function? A. chloroplast—movement

B. nucleus—cell regulation C. vacuole—energy production

D. mitochondrion—photosynthesis


31. The diagram below shows changes in the concentrations of sodium and potassium ions inside and outside a nerve cell. These changes prepare the nerve cell to conduct an electrical impulse.

Which of the following processes is directly responsible for these changes in the concentrations of sodium and potassium ions inside and outside the nerve cell?

A. active transport

B. enzyme activity C. osmosis

D. transcription 32. A cell is shown in the diagram below.

Which of the following cell characteristics provides evidence that this cell comes from a plant and not from an animal? A. a large vacuole

B. a single nucleus C. a functional mitochondrion

D. a semipermeable cell membrane


33. A diagram of a cell is shown below.

Which of the following is a function performed by the cell part labeled X?

A. generating ATP

B. synthesizing polypeptides C. storing genetic information

D. breaking down unneeded materials


Open Response (20 pts)

Directions: Read the questions carefully and be sure to answer each part of the question.

The diagram below shows a cross section of part of a cell membrane.

a. Describe the basic structure of the cell membrane.

b. Describe two primary functions of the cell membrane.

c. Explain how the structure of the cell membrane allows it to perform the functions described in part (b).

quiz 2: cell boundaries - lowell middlesex academy...

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