Unit One Chapter One 3rd SEC. Quiz 1

1. Dried peas are usually wrinkled and smaller in size than water-soaked peas because ---------------

Of lignin deposition on their cells

Of the cellulose present in their cell wall structure

Of the loss of cell turgidity

Their guard cells are always open

2. Secondary cell wall of sclerenchyma is saturated with --------.

Lignin and pectin

Cellulose and suberin

Lignin and cellulose

Pectin and cellulose

3. The swelling of plant cells indicates that the plant -------

Acquires a structural support

Loses a structural support

Loses a physiological support

Acquires a physiological support

4. The graph below illustrates the amount of substances found in cell walls of some plants. Which of the following represents stone cells?

(A)

(B)

(C)

(D)

5. A student introduced a sample of plant root tissue to a high-salinity solution. What did she observe?

No effect on the cell structure in the tissue sample

Shrinkage of the vacuoles of cells

Swelling of the vacuoles of cells

Swelling of the root hair cells

6. Among the followings which is the longest supportive cell?

Tracheids

Stone cells.

Sieve tubes.

Collenchyma cells.

7. In physiological support, ……

There is a deposition of some substances on the cell wall.

The support concerns the cell as a whole.

There is a deposition of some substances in the cell wall.

The plant may surround itself by a cork layer.

8. Both _ and_ can be deposited on the external layers of the stem to provide structural support.

Suberin, cutin

Cutin, lignin

Cellulose, suberin

Cellulose, cutin

9. The following table includes data about four plants (X), (Y), (Z) and (L) that have similar size and have been irrigated with equal amounts of water then placed in the same place. Which of these plants is more resistant against drought?

(X)

(Y)

(Z)

(L)

10. The substance that plays a common role in both structural and physiological support is ……

Cellulose

Lignin

Pectin

Cutin

11. A cell sample was taken from a plant and found to have lignin, suberin, and cutin. Where was this sample collected from? What do these substances provide?

A stem, structural support

A fruit, structural support

The roots, physiological support

A woody stem, physiological support

12. Two plant cells are examined under the microscope, one taken from a plant before irrigation (cell X) and the other after irrigation (cell Y). Which of the following could be an obvious observation when examining the two cells?

Multiplication of cell vacuoles in cell X

Absence of cell vacuole in cell X

A shrunken cell vacuole in cell Y

An enlarged cell vacuole in cell Y

13. During an experiment to clarify the relationship between the amounts of water absorbed by a plant from the soil and that lost during transpiration in different times during the day, the results were as shown in the table below. Explain the reason of the changes that happened during the experiment.

The plant regained its physiological support after 12 hours from the beginning of the experiment

The plant was exposed to a permanent wilting after 9 hours from the beginning of the experiment

The physiological support wasn’t affected during the experiment

A change occurred in the structural support

14. How do pea plants climb supporting fences?

By Leaves

By Tendrils

By Stem

By Roots

15. The diagram below shows a potted plant and the same plant 24 hours later. What causes the change in the appearance of the plant?

Water uptake is greater than water loss.

Water moves from the leaves to the stem.

Water uptake is equal to water loss.

Water loss is greater than water uptake.

16. Study the following plant tissues then answer, which of the following tissues is(are) not characterized by the occurrence of a wall pressure?

(1)

(1) and (2)

(3)

(2) and (3)

17. Physiological support in plants is represented by …….

Thickness of plant cell to prevent water loss.

Turgidity of the plant cell

Turgidity of vessels filled with nutrients

Deposition of cellulose on cell walls

18. 1- The generation of turgor pressure is done by the high osmotic pressure of …..

Cell membrane

Cell organelles

Cell vacuole

Cell wall

19. An experiment was carried out on potato slices with equal sizes, they were put inside six test tubes containing sucrose solutions with different concentrations, and left for two hours. The results were represented as shown in the graph below. The highest concentration of solution is in the tube ---------.

(X)

(Z)

(W)

(Y)

20. Which of the following substances its presence in the cell walls increases their flexibility and rigidity but doesn't prevent the passage of water?

Cutin

Suberin

Lignin

Cellulose

21. The figure below represents the lower surface of a herbaceous leaf under microscope. Cells (X) have a characterized shape due to the ……….

Presence of a cellulosic wall

Absence of plastids

Deposition of lignin in their walls

Deposition of suberin in their walls

22. Which statement describes how young plants are supported?

The pressure of water inside the cells pressing inwards on the cell vacuole

The pressure of water passing from the roots through the phloem

The pressure of water inside the cells pressing outwards on the cell walls

The pressure of water passing from the roots through the xylem

23. Collenchyma cells support the plant ……….

By deposition of lignin on their cell walls.

By their location and distribution.

By the turgidity of the internal tissue cells.

By absorbing O2 from the surrounding.

24. The following figure illustrates four different types of plant tissues. Which type of these tissues is found in the hard shells of nuts?

(1)

(2)

(3)

(4)

25. The following graph illustrates the relation between the three different types of simple plant tissues and the thickness of their cell wall. Which of them is found mainly in the internal tissue of fleshy fruits?

(1)

(2)

(1) and (3)

(3)

26. Most mature living plant cells contain large-sized sap vacuoles. 2-These vacuoles help the cells to absorb water by diffusion.

The two statements are correct and related

The two statements are correct but unrelated

The first statement is correct while the second one is wrong

The first statement is wrong while the second one is correct

27. The swelling (the size increasing) of dried fruits, on soaking them in the water for a period of time, is due to …….

Deposition of hard substances on the cell walls.

Its absorption of the water by osmosis.

The absence of its cells turgidity.

Prevention of water loss from the inner cells.

28. The following graph illustrates the relation between the three different types of simple plant tissues and the thickness of their cell wall. Which of these tissues is (extremely plastic) where the cells can extend and thus adjust to increase the growth of the organ?

(1)

(2)

(1) and (2)

(3)

29. The following graph illustrates the relation between the three different types of simple plant tissues and the thickness of their cell wall. Which of these tissues is/are found in the pear fruit?

(1) and (2)

(2) only

(1) only

(1) and (3)

30. From the structural support in plant …….

Collenchyma cells

Sieve tubes

Palissade tissue

Parenchyma cells

31. Which of the following best compares the roles of cellulose and cutin in a plant cell?

No correct answer.

32. Which of the following cells contain physiological and structural support together?

(1) only

(2) only

(1) and (2) together

(1) and (3) together

33. Having support structures within a plant allows it to maintain a strong stem. Which of the following is not a direct advantage of a plant having a strong stem?

The plant can grow and support branches, leaves, and flowers.

The plant can absorb more mineral ions from the surrounding atmosphere.

The plant can grow taller and therefore take in more light for photosynthesis.

The plant can withstand strong winds and other environmental pressures

34. What can be assumed about the cells of a wilted houseplant?

Many cells within the plant have died and are no longer multiplying.

Many cells within the plant have lost water and are no longer turgid.

The plant has taken in too much water and its cells have plasmolyzed.

The stems of the plant have broken and can no longer support the weight of the leaves.

35. What will visibly happen to a plant if cell turgidity is not maintained?

The flowers will drop off.

The leaves will turn yellow.

The surface area of the leaves will expand.

The stem will grow at a faster rate.

The leaves and the plant will wilt.

36. When watering plant cells they swell due to ……..

Entering of water into the cells by osmosis

Exit of sugar out of the cells by diffusion

Entering of water into the cells by diffusion

Exit of sugar out of the cells by osmotic pressure

37. An experiment was carried out on potato slices with equal sizes, they were put inside six test tubes containing sucrose solutions with different concentrations, and left for two hours. The results were represented as shown in the graph below. Which of the following represents the ascending arrangement for the concentration of solutions in the test tubes? (From the least to the highest concentrations)

(X) → (Y) → (L) → (Z) → (W) → (E)

(Z) → (L) → (Y) → (W) → (E) → (X)

(Z) → (W) → (L) → (Y) → (E) → (X)

(X) → (E) → (Y) → (L) → (W) → (Z)

38. From the pre-existing structural support in plants …….

Formation of a Cork layer

Deposition of Gums

Presence of Cell Walls

Formation of Tyloses

39. Which of the following tissues is the most retentive (able to hold water) of physiological support?

(1)

(2)

(3)

(4)

40. Plant cells can take in large amounts of water and swell up. What component of the plant cell wall allows this change in shape to occur without letting the cell burst?

Chitin

Collagen

Cellulose

Fibrin

41. What is the primary role of cutin and suberin in plants?

To maintain the shape of cell walls

To provide structure and support to the vascular tissues

To act as impermeable and waterproof barriers

To determine what enters and leaves the plant cells

To maintain the shape of the reproductive organs

42. Which of the following cells contain a physiological support only?

(1) only

(3) only

(1) and (2) together

(2) and (3) together

43. Physiological support in plants is temporarily because ….

It performs a skeletal function just as our bony skeletons do.

It depends on the presence of the water in the plant cells.

Collenchyma is a temporary support, it becomes crushed as woody tissue develops.

The external plant cells can’t prevent loss of water from inner cells.

44. Sclerenchyma tissues have a role only in physiological support. Is this statement correct? Why?

The statement is correct because sclerenchyma tissues have only a main role in the development and growth of plants.

The statement is incorrect because sclerenchyma tissues are mainly involved in structural support.

The statement is correct because sclerenchyma tissues are mainly involved in reproduction in plants.

The statement is incorrect because sclerenchyma tissues do not have any role in plant support.

45. Which of the following structures acquire a physiological support on watering plants?

Sieve tubes

Xylem vessels

Stone cells

Parenchyma cells

46. A cross section of a herbaceous plant stem is taken. Which of the following substances is not present in the inner layers?

Suberin

Starch granules

Cellulose

Lignin

47. The apple fruit does not shrink for a long period of time, due to the deposition of ………… substance.

Suberin

Lignin

Cellulose

Cutin

48. Which of the following does not agree with the rest choices according to the kind of support in plants?

Cellulose

Chitin

Lignin

Suberin

49. Support sclerenchyma is comprised of ------- and fibers.

Pectin

Cellulose

Sieve tubes

Stone cells

50. Which of the following is NOT an adaptation found in desert plants to maintain cell turgidity?

Leaves that are modified into spines to reduce the surface area for transpiration

Thick cuticles to prevent water loss

Smaller leaves with fewer stomata

Smaller cell vacuoles to provide more space inside the plant cells

51. Which of the following figures illustrates the structural support in collenchyma and sclerenchyma cells for 24 hours in a herbaceous plant during a hot summer?

A

B

C

D

52. The figure below represents the lower surface of a herbaceous leaf under microscope. The shape of cells (Y) changes throughout the day due to the …….....

Deposition of lignin

Deposition of cutin

Deposition of cellulose

Water movement

53. The following graph illustrates the change in the size of sap vacuole in the epidermal cells of a flowering plant leaf that is put in solutions with different concentrations through a certain period of time. Which of these solutions has the least concentration?

(X)

(Y)

(Z)

(L)

54. Which is true about the secondary cell wall found in many plant cells?

Located between the outer and inner layers of the plasma membrane.

In tracheary elements it consists of cellulose and pectin.

Found around plant cells and at their corners.

Located between the primary cell wall and the plasma membrane.

55. Which of the following graphs represents the relationship between osmosis and physiological support in an epidermal root cell found in a damp soil?

A

B

C

D

56. The following graph illustrates the change in the size of sap vacuole in the epidermal cells of a flowering plant leaf that is put in solutions with different concentrations through a certain period of time. Which of these solutions has the highest concentration?

(X)

(Y)

(Z)

(L)

57. The plant cell swells, when water enters the cell under the effect of ….

Imbibition

Root pressure

Osmosis

Transpiration pull

58. In which of the following cases, both the physiological and structural supports are found together?

The stone cells of pea fruit

The swelling of the dried bean seeds on putting them in water

The straightness of mint plant after irrigation

The deposition of cutin on cell walls of cactus plant

59. Do green plastids play a role in supplying the alga with a physiological support?

Yes because they produce monosaccharaides

Yes because they absorb the required water needed for photosynthesis

No because they do not change the osmosis of the cell

No because they do not affect the size of the cell vacuoles

60. Plant cells lose its physiological support quickly in case of -------.

The increase in number of root hairs

The decrease in soil salts

The increase in cutin thickness on epidermal cell walls

The increase in number of stomata in the two sides of the leaf

61. A type of algae has been transferred from fresh water to marine water. What is the change that occurs in the algae cells?

No effect

Plasma membrane expands

Plasma membrane moves inwards

Swelling of the algae cells

62. Which of the following plays the major role in providing support to young herbaceous parts of the plant?

Living cells of epidermis with higher turgor pressure.

Living cells of cortex and pith with higher turgor pressure.

Collenchyma cells.

All of them.

63. The following figure illustrates the results of experiments on three equal pieces of Potatoes. Which of the following choices explains what happens to each of them?

(A)

(B)

(C)

(D)

64. An experiment was carried out on potato slices with equal sizes, they were put inside six test tubes containing sucrose solutions with different concentrations, and left for two hours. The results were represented as shown in the graph below. The solution concentration that corresponds to the concentration of the potato slice is ---------.

(X)

(Z)

(W)

(Y)

65. What is the primary function of structural support materials in plants?

To increase the rate at which materials pass through the plant

To allow flexibility and movement for the plant

To maintain the shape of the plant and the plant cells

To control which substances enter and leave plant cells

66. -------- deposits on the plant epidermal cell walls to prevent the loss of water through them.

Cutin

Lignin

Cellulose

Suberin

67. An experiment was carried out on potato slices with equal sizes, they were put inside six test tubes containing sucrose solutions with different concentrations, and left for two hours. The results were represented as shown in the graph below. The least concentration is in the tube ---------.

(X)

(Z)

(W)

(Y)

68. Which of the following statements is correct?

69. How does turgor pressure affect the opening and closing of stomata?

When water moves inside guard cells, they swell and open the stomata pores.

When water moves inside guard cells, they swell and close the stomata pores.

When water moves out of guard cells, they shrink and close the stomata pores.

When water moves out of guard cells they shrink and open the stomata pores.

70. Higher turgor pressure in a plant cell is maintained by…….

A-Large number of vacuoles in a plant cell.

B-Higher ionic concentration inside vacuoles

C-Higher osmotic pressure of the cell vacuole.

D-Both b and c.

71. ------- is from the structural support in plants.

Phloem tissue

Parenchyma tissue

Collenchyma tissue

Medullary ray

72. Study the following plant tissues then answer, which of the following tissues is(are) present in leaves of lettuce plant and supply them with a physiological support?

(1) and (2)

(2)

(1) and (3)

(3)

73. Which choice in the following table expresses the support that is obviously in the tissues shown below?

Permanent Support Temporary Support

(A) (1) and (2) (3) and (4)

(B) (1) and (3) (2) and (4)

(C) (1), (2) and (3) (4)

(D) (1), (2) and (4) (3)

(A)

(B)

(C)

(D)

	Permanent Support	Temporary Support
(A)	(1) and (2)	(3) and (4)
(B)	(1) and (3)	(2) and (4)
(C)	(1), (2) and (3)	(4)
(D)	(1), (2) and (4)	(3)

Unit One Chapter One 3rd SEC. Quiz 1

1. Dried peas are usually wrinkled and smaller in size than water-soaked peas because ---------------

2.

What first name or nickname would you like us to use?

2. Secondary cell wall of sclerenchyma is saturated with --------.

3. The swelling of plant cells indicates that the plant -------

4. The graph below illustrates the amount of substances found in cell walls of some plants. Which of the following represents stone cells?

5. A student introduced a sample of plant root tissue to a high-salinity solution. What did she observe?

6. Among the followings which is the longest supportive cell?

7. In physiological support, ……

8. Both _____ and_____ can be deposited on the external layers of the stem to provide structural support.

9. The following table includes data about four plants (X), (Y), (Z) and (L) that have similar size and have been irrigated with equal amounts of water then placed in the same place. Which of these plants is more resistant against drought?

10. The substance that plays a common role in both structural and physiological support is ……

11. A cell sample was taken from a plant and found to have lignin, suberin, and cutin. Where was this sample collected from? What do these substances provide?

12. Two plant cells are examined under the microscope, one taken from a plant before irrigation (cell X) and the other after irrigation (cell Y). Which of the following could be an obvious observation when examining the two cells?

14. How do pea plants climb supporting fences?

15. The diagram below shows a potted plant and the same plant 24 hours later. What causes the change in the appearance of the plant?

16. Study the following plant tissues then answer, which of the following tissues is(are) not characterized by the occurrence of a wall pressure?

17. Physiological support in plants is represented by …….

18. 1- The generation of turgor pressure is done by the high osmotic pressure of …..

20. Which of the following substances its presence in the cell walls increases their flexibility and rigidity but doesn't prevent the passage of water?

21. The figure below represents the lower surface of a herbaceous leaf under microscope. Cells (X) have a characterized shape due to the ……….

22. Which statement describes how young plants are supported?

23. Collenchyma cells support the plant ……….

24. The following figure illustrates four different types of plant tissues. Which type of these tissues is found in the hard shells of nuts?

25. The following graph illustrates the relation between the three different types of simple plant tissues and the thickness of their cell wall. Which of them is found mainly in the internal tissue of fleshy fruits?

26. Most mature living plant cells contain large-sized sap vacuoles. 2-These vacuoles help the cells to absorb water by diffusion.

27. The swelling (the size increasing) of dried fruits, on soaking them in the water for a period of time, is due to …….

28. The following graph illustrates the relation between the three different types of simple plant tissues and the thickness of their cell wall. Which of these tissues is (extremely plastic) where the cells can extend and thus adjust to increase the growth of the organ?

29. The following graph illustrates the relation between the three different types of simple plant tissues and the thickness of their cell wall. Which of these tissues is/are found in the pear fruit?

30. From the structural support in plant …….

31. Which of the following best compares the roles of cellulose and cutin in a plant cell?

32. Which of the following cells contain physiological and structural support together?

33. Having support structures within a plant allows it to maintain a strong stem. Which of the following is not a direct advantage of a plant having a strong stem?

34. What can be assumed about the cells of a wilted houseplant?

35. What will visibly happen to a plant if cell turgidity is not maintained?

36. When watering plant cells they swell due to ……..

38. From the pre-existing structural support in plants …….

39. Which of the following tissues is the most retentive (able to hold water) of physiological support?

40. Plant cells can take in large amounts of water and swell up. What component of the plant cell wall allows this change in shape to occur without letting the cell burst?

41. What is the primary role of cutin and suberin in plants?

42. Which of the following cells contain a physiological support only?

43. Physiological support in plants is temporarily because ….

44. Sclerenchyma tissues have a role only in physiological support. Is this statement correct? Why?

45. Which of the following structures acquire a physiological support on watering plants?

46. A cross section of a herbaceous plant stem is taken. Which of the following substances is not present in the inner layers?

47. The apple fruit does not shrink for a long period of time, due to the deposition of ………… substance.

48. Which of the following does not agree with the rest choices according to the kind of support in plants?

49. Support sclerenchyma is comprised of ------- and fibers.

50. Which of the following is NOT an adaptation found in desert plants to maintain cell turgidity?

51. Which of the following figures illustrates the structural support in collenchyma and sclerenchyma cells for 24 hours in a herbaceous plant during a hot summer?

52. The figure below represents the lower surface of a herbaceous leaf under microscope. The shape of cells (Y) changes throughout the day due to the …….....

53. The following graph illustrates the change in the size of sap vacuole in the epidermal cells of a flowering plant leaf that is put in solutions with different concentrations through a certain period of time. Which of these solutions has the least concentration?

54. Which is true about the secondary cell wall found in many plant cells?

55. Which of the following graphs represents the relationship between osmosis and physiological support in an epidermal root cell found in a damp soil?

56. The following graph illustrates the change in the size of sap vacuole in the epidermal cells of a flowering plant leaf that is put in solutions with different concentrations through a certain period of time. Which of these solutions has the highest concentration?

57. The plant cell swells, when water enters the cell under the effect of ….

58. In which of the following cases, both the physiological and structural supports are found together?

59. Do green plastids play a role in supplying the alga with a physiological support?

60. Plant cells lose its physiological support quickly in case of -------.

61. A type of algae has been transferred from fresh water to marine water. What is the change that occurs in the algae cells?

62. Which of the following plays the major role in providing support to young herbaceous parts of the plant?

63. The following figure illustrates the results of experiments on three equal pieces of Potatoes. Which of the following choices explains what happens to each of them?

65. What is the primary function of structural support materials in plants?

66. -------- deposits on the plant epidermal cell walls to prevent the loss of water through them.

67. An experiment was carried out on potato slices with equal sizes, they were put inside six test tubes containing sucrose solutions with different concentrations, and left for two hours. The results were represented as shown in the graph below. The least concentration is in the tube ---------.

68. Which of the following statements is correct?

69. How does turgor pressure affect the opening and closing of stomata?

70. Higher turgor pressure in a plant cell is maintained by…….

71. ------- is from the structural support in plants.

72. Study the following plant tissues then answer, which of the following tissues is(are) present in leaves of lettuce plant and supply them with a physiological support?

73. Which choice in the following table expresses the support that is obviously in the tissues shown below? Permanent Support Temporary Support (A) (1) and (2) (3) and (4) (B) (1) and (3) (2) and (4) (C) (1), (2) and (3) (4) (D) (1), (2) and (4) (3)

8. Both _ and_ can be deposited on the external layers of the stem to provide structural support.

73. Which choice in the following table expresses the support that is obviously in the tissues shown below?

Permanent Support Temporary Support

(A) (1) and (2) (3) and (4)

(B) (1) and (3) (2) and (4)

(C) (1), (2) and (3) (4)

(D) (1), (2) and (4) (3)