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Biology Multiple Choice 016034

BIOLOGY LTF® DIAGNOSTIC TEST

CELLS

1

TEST CODE: 016034

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.

1. 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.

2. 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.

3. 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

Biology Multiple Choice

2

Questions 4 and 5 refer to the following diagram:

4. 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 only

5. 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

6. A wet mount slide from a sample of Elodea leaf cells and a slide from a sample of red blood cells were initially examined using a light microscope. The remaining portions of the two cell samples were then placed into a 20% sucrose solution. After 30 minutes, the cells were again examined using a light microscope. Which statement best describes their appearance?

A) The leaf cells had undergone plasmolysis and the red blood cells had swollen and burst.B) The leaf cells had undergone plasmolysis while the red blood cells had shriveled.C) The leaf cells were swollen and turgid while the red blood cells remain unchanged.D) Both the leaf cells and the red blood cells had swollen and burst.E) Neither of the cells had changed since they were placed in an isotonic solution.


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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

Question 8 refers to the types of cells illustrated below.

I II III 8. 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

9. Which of the following best describes an organism’s attempt to maintain cellular homeostasis?

A) A flowering plant bends toward a light source.B) A paramecium’s contractile vacuole expels excess water from the cell.C) A wren lays three eggs in its nest.D) A pup growls when a litter mate attempts to take its bone.E) An earthworm’s DNA is replicated.

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

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


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11. A concentration gradient is best described as

A) a permanent conditionB) two solutions of equal concentration separated by a selectively permeable membraneC) the result of simple diffusion through a transport proteinD) the condition when two solutions have become isotonic E) an area of high concentration adjacent to an area of low concentration

12. 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

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

14. In a study of cheek cell reproduction, it is noticed that genetic material is not being divided equally. A cell structure that could account for this mistake could be the

A) endoplasmic reticulumB) vacuolesC) centriolesD) nucleolusE) mitochondria

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

A) MitochondriaB) ChloroplastC) CentriolesD) NucleolusE) Vacuole


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16. 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

17. 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

18. A biologist is examining an organelle with an electron microscope. She observes a continuous network of membranes. The tubed membranes are in contact with the nucleus and have small, round structures on the outside of the membranes. Which cell organelle is being observed?

A) Rough endoplasmic reticulumB) MicrotubulesC) Large central vacuoleD) ChloroplastE) Cell membrane


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19. A U-shaped tube, as shown above, is separated by a membrane. The membrane is separating Solution I from Solution II. The membrane will allow solute A particles to pass from one side of the tube to the other. Solute B particles cannot pass through the membrane. Water present in both solutions can move freely through the membrane. Which of the following statements best describes the membrane?

A) The membrane is selectively permeable. B) The membrane is impermeable to solute A particles.C) The membrane is a is impermeable to solute A and B particles.D) The membrane is impermeable to water. E) The membrane is selectively impermeable.

20. 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.


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Questions 21-22 refer to the transport mechanisms.

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

21. 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

22. Which of the above types of transport moves molecules by diffusion?

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


8

Questions 23-26 refer to the following diagram:

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

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

24. 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

25. Small, uncharged particles are most likely to move from the extracellular fluid to the cell’s cytoplasm

A) between structures labeled 2B) between structures labeled 3C) through structures labeled 1D) through structures labeled 4E) through structures labeled 5


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26. Membrane structures composed of protein are labeled

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

Questions 27-28 refer to the following diagram of the microscope.

27. 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

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


10

Questions 29 and 30 refer to the following laboratory scenario:

Jeff and Chaundra placed 4 raw eggs in vinegar for several days to dissolve the outer shell. After weighing and recording the mass of each egg, Jeff placed one egg into distilled water and one into a 20% corn syrup solution. Chaundra placed one egg into a 40% corn syrup solution and the other one into a 60% corn syrup solution. After two days, all of the eggs were patted dry, massed, and the final mass was recorded.

Percent Syrup Solution Change in Mass (g) 0% +2.4 g20% –2.4 g40% –5.7 g60% –7.3 g

29. Which of the following statements accounts for the change in mass of the eggs?

I. The corn syrup solution was hypertonic to the inside of the egg, therefore water left the egg by osmosis resulting in a lower final mass.

II. Water moved down its concentration gradient across the membrane of the egg, resulting in a lower final mass.

III. Water moved across the membrane into the hypotonic egg, resulting in a higher final mass.

A) I onlyB) II onlyC) III onlyD) I and II onlyE) I and III only

30. Which of the following predictions will most likely be supported by the data from this experiment?

A) If the 20% solution is more hypertonic than the inside of the egg, then water will move out of the egg by osmosis.

B) If the egg in the 40% solution gains mass, then the egg in the 20% solution will lose mass.

C) If the 20% solution is hypotonic to the inside of the egg, then the egg will lose mass.D) Both A and B.E) Both B and C.


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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 31-34 refer to the following cell structures:

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

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

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

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

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

Question 35

The test tube shown in the diagram below contains a sample of cell components that have been centrifuged.

35. Which letter indicates the level at which ribosomes would most likely be found?

Biology Multiple Choice 016035

BIOLOGY LTF® DIAGNOSTIC TEST

CELLS

1

TEST CODE: 016035

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.

1. 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

2. In a study of cheek cell reproduction, it is noticed that genetic material is not being divided equally. A cell structure that could account for this mistake could be the

A) endoplasmic reticulumB) vacuolesC) centriolesD) nucleolusE) mitochondria

Questions 21-22 refer to the transport mechanisms.

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

3. Which of the above types of transport moves molecules by diffusion?

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


2

4. 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

Questions 5 and 6 refer to the following laboratory scenario:

Jeff and Chaundra placed 4 raw eggs in vinegar for several days to dissolve the outer shell. After weighing and recording the mass of each egg, Jeff placed one egg into distilled water and one into a 20% corn syrup solution. Chaundra placed one egg into a 40% corn syrup solution and the other one into a 60% corn syrup solution. After two days, all of the eggs were patted dry, massed, and the final mass was recorded.

Percent Syrup Solution Change in Mass (g) 0% +2.4 g20% –2.4 g40% –5.7 g60% –7.3 g

5. Which of the following predictions will most likely be supported by the data from this experiment?

A) If the 20% solution is more hypertonic than the inside of the egg, then water will move out of the egg by osmosis.

B) If the egg in the 40% solution gains mass, then the egg in the 20% solution will lose mass.

C) If the 20% solution is hypotonic to the inside of the egg, then the egg will lose mass.D) Both A and B.E) Both B and C.

6. Which of the following statements accounts for the change in mass of the eggs?

I. The corn syrup solution was hypertonic to the inside of the egg, therefore water left the egg by osmosis resulting in a lower final mass.

II. Water moved down its concentration gradient across the membrane of the egg, resulting in a lower final mass.

III. Water moved across the membrane into the hypotonic egg, resulting in a higher final mass.

A) I onlyB) II onlyC) III onlyD) I and II onlyE) I and III only


3

Question 7 refers to the types of cells illustrated below.

I II III 7. 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

8. Which of the following best describes an organism’s attempt to maintain cellular homeostasis?

A) A flowering plant bends toward a light source.B) A paramecium’s contractile vacuole expels excess water from the cell.C) A wren lays three eggs in its nest.D) A pup growls when a litter mate attempts to take its bone.E) An earthworm’s DNA is replicated.

9. A biologist is examining an organelle with an electron microscope. She observes a continuous network of membranes. The tubed membranes are in contact with the nucleus and have small, round structures on the outside of the membranes. Which cell organelle is being observed?

A) Rough endoplasmic reticulumB) MicrotubulesC) Large central vacuoleD) ChloroplastE) Cell membrane


4

Questions 10-13 refer to the following diagram:

10. Membrane structures composed of protein are labeled

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

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. Small, uncharged particles are most likely to move from the extracellular fluid to the cell’s cytoplasm

A) between structures labeled 2B) between structures labeled 3C) through structures labeled 1D) through structures labeled 4E) through structures labeled 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. The fusion of cell membranes to bring in large solid substances into a cell is known as

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

Questions 15 & 16 refer to the following diagram:

15. 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 only


6

16. 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

17. A concentration gradient is best described as

A) a permanent conditionB) two solutions of equal concentration separated by a selectively permeable membraneC) the result of simple diffusion through a transport proteinD) the condition when two solutions have become isotonic E) an area of high concentration adjacent to an area of low concentration

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

19. 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

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

21. 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


22. 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.

23. A U-shaped tube, as shown above, is separated by a membrane. The membrane is separating Solution I from Solution II. The membrane will allow solute A particles to pass from one side of the tube to the other. Solute B particles cannot pass through the membrane. Water present in both solutions can move freely through the membrane. Which of the following statements best describes the membrane?

A) The membrane is selectively permeable. B) The membrane is impermeable to solute A particles.C) The membrane is a is impermeable to solute A and B particles.D) The membrane is impermeable to water. E) The membrane is selectively impermeable.


8

Questions 24-25 refer to the following diagram of the microscope.

24. 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

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

26. 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.


9

27. A wet mount slide from a sample of Elodea leaf cells and a slide from a sample of red blood cells were initially examined using a light microscope. The remaining portions of the two cell samples were then placed into a 20% sucrose solution. After 30 minutes, the cells were again examined using a light microscope. Which statement best describes their appearance?

A) The leaf cells had undergone plasmolysis and the red blood cells had swollen and burst.B) The leaf cells had undergone plasmolysis while the red blood cells had shriveled.C) The leaf cells were swollen and turgid while the red blood cells remain unchanged.D) Both the leaf cells and the red blood cells had swollen and burst.E) Neither of the cells had changed since they were placed in an isotonic solution.

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

A) MitochondriaB) ChloroplastC) CentriolesD) NucleolusE) Vacuole

29. 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

30. 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


10

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.

Question 31

The test tube shown in the diagram below contains a sample of cell components that have been centrifuged.

31. Which letter indicates the level at which ribosomes would most likely be found?

Questions 32-35 refer to the following cell structures:

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

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

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

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

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

Documents

TEST CODE: 016034 - Weeblyrhsscience.weebly.com/uploads/1/2/4/9/12490351/016034_test_cells... · A cell structure that ... Biology Multiple Choice 6 Questions 19 and ... For each