test code: 016032 - wikispacespro+-+cellsb1... · test code: 016032 directions: each of ......

Biology Multiple Choice 016032

BIOLOGY LTF® DIAGNOSTIC TEST

CELLS

1

TEST CODE: 016032

Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.

Questions 1 and 2 refer to the following diagram:

1. The diagram represents a paramecium viewed with a compound light microscope on low power. The diameter of the field of view is 1.5 mm. The length of the organism is approximately

A) 0.15mm B) 0.5mm C) 0.95mmD) 0.15cmE) 0.25cm

2. This organism could be moved to the center of the field of view by moving the slide in the direction of

A) AB) BC) CD) DE) A and C

Biology Multiple Choice

2

Questions 3-4 refer to the following diagram of the microscope.

3. Marci was viewing a slide that contained streptococcus bacteria. She wanted to magnify the image as much as possible. She located and focused the image on low power. She then switched to the high power objective. Referring to the diagram above, which part of the microscope will she now use to bring the image into clear view?

A) 1B) 2C) 3D) 4E) 5

4. Magnification of the image is a function of A) 1 onlyB) 2 onlyC) 1 and 2D) 1 and 3E) 3 and 5

5. Each of the following statements are true about bulk transport in cells EXCEPT

A) Endocytosis brings material into a cell by forming inward folds of the cell membrane.B) Exocytosis is accomplished by placing material in a membrane-bound vesicle which

fuses with the plasma membrane and expels its contents.C) Phagocytosis can bring large amounts of substances in through a channel protein or

enclosed in a membrane-bound vesicle.D) Pinocytosis and endocytosis involve bringing substances into the cell.E) Exocytosis and endocytosis are processes that involve vesicles.


3

Questions 6-8 refer to the following diagram:

6. The membrane component that contains a hydrophilic phosphate head and hydrophobic tail is

A) 1 onlyB) 2 onlyC) 3 onlyD) 4 onlyE) 5 only

7. Membrane structures composed of protein are labeled

A) 1 and 2B) 2 and 3C) 1 and 3D) 3 and 4E) 4 and 5

8. The structures involved in cell recognition are

A) 1 and 2 onlyB) 2 and 3 onlyC) 3 onlyD) 4 and 5 onlyE) 3,4 and 5 only


4

9. All of the following statements would be supported by the cell theory EXCEPT A) All living things are made of cells.B) All cells come from other cells.C) The cell is the basic functional unit of an organism.D) Cells reproduce to form additional cells.E) Cells may grow to an unlimited size.

10. A high surface area to volume ratio in a cell favors

A) immediate cell divisionB) adequate exchange of materials between the cell and its environmentC) a build up of water and waste productsD) a struggle to obtain needed nutrientsE) destruction of organelles and lysis

Question 11 refers to the diagrams below:

I II III 11. Which cell is most likely found in a mouse?

A) I onlyB) II onlyC) III only D) I and II onlyE) I, II, and III

12. The fusion of cell membranes to bring in large solid substances into a cell is known as

A) exocytosisB) phagocytosisC) facilitated transportD) pinocytosisE) polymerization


5

13. Which of the following hierarchies is correct?

A) molecule→cell→tissue→organ→organism

B) cell→nucleus→tissue→organ→organ system

C) nucleus→atom→cell→tissue→organ

D) mitochondria→nucleus→cell→organism→tissue

E) tissue→nucleus→cell→organ→molecule

Question 14 refers to the following diagram:

14. Each of the following statements about the diagram are correct EXCEPT:

A) Side I is hypotonic to side II.B) Side II contains more solute, so it is described as hypertonic to side I.C) The volume of side I will increase as water moves by osmosis.D) The net movement of water will be from side I to side II.E) The volume levels of both sides will change.

15. Which of the following structures would be used to identify a prokaryotic cell?

A) cell membrane, nucleus, and DNAB) cell wall, flagella, and chloroplastsC) cytoplasm, smooth and rough endoplasmic reticulumD) mitochondria, Golgi body, and lysosomesE) cell membrane, ribosomes, and a chromosome


6

16. Which plant cell structure contains water, wastes, and toxic substances?

A) MitochondriaB) ChloroplastC) CentriolesD) NucleolusE) Vacuole

17. The smallest, simplest collection of matter that exhibits traits of life is A) an atom B) a nucleusC) a chloroplastD) a cellE) a tissue

18. All of the following structures are found in both plant and animal cells EXCEPT

A) Golgi apparatus B) rough endoplasmic reticulumC) ribosomesD) large central vacuoleE) cell membrane

19. Correct microscope use procedures include each of the following statements EXCEPT

A) carrying the microscope by grasping its arm with one hand and supporting the base with the other hand

B) focusing a specimen using the low power objective before switching to the high power objective

C) using the coarse adjustment knob to focus a specimen with the low power objectiveD) using only the fine adjustment knob to make critical focus adjustments when viewing the

specimen under high powerE) adjusting the amount of light passing through a specimen using the fine adjustment and

course adjustment knobs


7

Question 20 refers to the following transport mechanisms.

I. Active transport II. Simple diffusionIII. Facilitated diffusionIV. Osmosis

20. Which of the above type of transport moves molecules against a concentration gradient?

A) I onlyB) II onlyC) II and IV onlyD) II, III, and IV onlyE) I, II, III, and IV

Directions: Each group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group.

Questions 21-24 refer to the following cell structures:

A) Nucleus B) Lysosomes C) Cell wall D) Chloroplast E) Mitochondria

21. Which digests materials that have been engulfed by cells?

22. Which contains DNA and is responsible for producing ATP when oxygen is present in eukaryotic cells?

23. Which is surrounded by a double membrane and is the site for photosynthesis in plants.

24. Which is surrounded by a double membrane, contains several chromosomes, RNA, and ribosomal RNA?


8


25. The tube shown in the diagram above contains a sample of cell components that have been centrifuged. Which letter indicates the level at which ribosomes would most likely be found?

Biology Free Response 016032

- 1 -

BIOLOGY

LTF® DIAGNOSTIC TEST CELLS

Directions: The suggested time is about 15 minutes for answering a free response biology question, which is worth 10 points. The parts within a question may not have equal weight. Answers must be in essay form. Outline form is NOT acceptable. Labeled diagrams may be used to supplement discussion, but in no case will a diagram alone suffice. It is important that you read each question completely before you begin to write. Question 1 (10 pts)

A. Describe the structure of the cell membrane surrounding an animal cell.

B. Discuss how carbon dioxide (CO2), water (H2O), and sodium ions (Na+) are transported

across the cell membrane by both passive and active transport.

Biology Multiple Choice 016033

BIOLOGY LTF® DIAGNOSTIC TEST

CELLS

1

TEST CODE: 016033

Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.

Questions 1 and 2 refer to the following diagram:

1. This organism could be moved to the center of the field of view by moving the slide in the direction of

A) AB) BC) CD) DE) A and C

2. The diagram represents a paramecium viewed with a compound light microscope on low power. The diameter of the field of view is 1.5 mm. The length of the organism is approximately

A) 0.15mm B) 0.5mm C) 0.95mmD) 0.15cmE) 0.25cm


2

3. Which plant cell structure contains water, wastes, and toxic substances?

A) MitochondriaB) ChloroplastC) CentriolesD) NucleolusE) Vacuole

4. Which of the following structures would be used to identify a prokaryotic cell?

A) cell membrane, nucleus, and DNAB) cell wall, flagella, and chloroplastsC) cytoplasm, smooth and rough endoplasmic reticulumD) mitochondria, Golgi body, and lysosomesE) cell membrane, ribosomes, and a chromosome

Question 5 refers to the diagrams below:

I II III 5. Which cell is most likely found in a mouse?

A) I onlyB) II onlyC) III only D) I and II onlyE) I, II, and III

6. The smallest, simplest collection of matter that exhibits traits of life is A) an atom B) a nucleusC) a chloroplastD) a cellE) a tissue


3

7. All of the following structures are found in both plant and animal cells EXCEPT

A) Golgi apparatus B) rough endoplasmic reticulumC) ribosomesD) large central vacuoleE) cell membrane

Questions 8-9 refer to the following diagram of the microscope.

8. Marci was viewing a slide that contained streptococcus bacteria. She wanted to magnify the image as much as possible. She located and focused the image on low power. She then switched to the high power objective. Referring to the diagram above, which part of the microscope will she now use to bring the image into clear view?

A) 1B) 2C) 3D) 4E) 5

9. Magnification of the image is a function of A) 1 onlyB) 2 onlyC) 1 and 2D) 1 and 3E) 3 and 5


4

10. Which of the following hierarchies is correct?

A) molecule→cell→tissue→organ→organism

B) cell→nucleus→tissue→organ→organ system

C) nucleus→atom→cell→tissue→organ

D) mitochondria→nucleus→cell→organism→tissue

E) tissue→nucleus→cell→organ→molecule

Questions 11-13 refer to the following diagram:

11. The membrane component that contains a hydrophilic phosphate head and hydrophobic tail is

A) 1 onlyB) 2 onlyC) 3 onlyD) 4 onlyE) 5 only

12. Membrane structures composed of protein are labeled

A) 1 and 2B) 2 and 3C) 1 and 3D) 3 and 4E) 4 and 5


5

13. The structures involved in cell recognition are

A) 1 and 2 onlyB) 2 and 3 onlyC) 3 onlyD) 4 and 5 onlyE) 3,4 and 5 only


14. Each of the following statements about the diagram are correct EXCEPT:

A) Side I is hypotonic to side II.B) Side II contains more solute, so it is described as hypertonic to side I.C) The volume of side I will increase as water moves by osmosis.D) The net movement of water will be from side I to side II.E) The volume levels of both sides will change.

15. A high surface area to volume ratio in a cell favors

A) immediate cell divisionB) adequate exchange of materials between the cell and its environmentC) a build up of water and waste productsD) a struggle to obtain needed nutrientsE) destruction of organelles and lysis

16. All of the following statements would be supported by the cell theory EXCEPT A) All living things are made of cells.B) All cells come from other cells.C) The cell is the basic functional unit of an organism.D) Cells reproduce to form additional cells.E) Cells may grow to an unlimited size.


6

17. The fusion of cell membranes to bring in large solid substances into a cell is known as

A) exocytosisB) phagocytosisC) facilitated transportD) pinocytosisE) polymerization

18. Correct microscope use procedures include each of the following statements EXCEPT

A) carrying the microscope by grasping its arm with one hand and supporting the base with the other hand

B) focusing a specimen using the low power objective before switching to the high power objective

C) using the coarse adjustment knob to focus a specimen with the low power objectiveD) using only the fine adjustment knob to make critical focus adjustments when viewing the

specimen under high powerE) adjusting the amount of light passing through a specimen using the fine adjustment and

course adjustment knobs

Question 19 refers to the following transport mechanisms.

I. Active transport II. Simple diffusionIII. Facilitated diffusionIV. Osmosis

19. Which of the above type of transport moves molecules against a concentration gradient?

A) I onlyB) II onlyC) II and IV onlyD) II, III, and IV onlyE) I, II, III, and IV

20. Each of the following statements are true about bulk transport in cells EXCEPT

A) Endocytosis brings material into a cell by forming inward folds of the cell membrane.B) Exocytosis is accomplished by placing material in a membrane-bound vesicle which

fuses with the plasma membrane and expels its contents.C) Phagocytosis can bring large amounts of substances in through a channel protein or

enclosed in a membrane-bound vesicle.D) Pinocytosis and endocytosis involve bringing substances into the cell.E) Exocytosis and endocytosis are processes that involve vesicles.


7

Directions: Each group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group.

Questions 21-24 refer to the following cell structures:

A) Nucleus B) Lysosomes C) Cell wall D) Chloroplast E) Mitochondria

21. Which contains DNA and is responsible for producing ATP when oxygen is present in eukaryotic cells?

22. Which is surrounded by a double membrane, contains several chromosomes, RNA, and ribosomal RNA?

23. Which is surrounded by a double membrane and is the site for photosynthesis in plants.

24. Which digests materials that have been engulfed by cells?


25. The tube shown in the diagram above contains a sample of cell components that have been centrifuged. Which letter indicates the level at which ribosomes would most likely be found?

Biology Free Response 016033

- 1 -

BIOLOGY

LTF® DIAGNOSTIC TEST CELLS

Directions: The suggested time is about 15 minutes for answering a free response biology question, which is worth 10 points. The parts within a question may not have equal weight. Answers must be in essay form. Outline form is NOT acceptable. Labeled diagrams may be used to supplement discussion, but in no case will a diagram alone suffice. It is important that you read each question completely before you begin to write. Question 1 (10 pts)

A. Describe the structure of the cell membrane surrounding an animal cell.

B. Discuss how carbon dioxide (CO2), water (H2O), and sodium ions (Na+) are transported

across the cell membrane by both passive and active transport.

test code: 016032 - wikispacespro+-+cellsb1... · test code: 016032 directions: each of ......

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