Unit One Chapter One 3rd SEC. Quiz 1
Support in Plants
- 1.
Secondary cell wall of sclerenchyma is saturated with --------.
- A.
Lignin and pectin
- B.
Cellulose and suberin
- C.
Lignin and cellulose
- D.
Pectin and cellulose
Correct Answer
C. Lignin and cellulose -
- 2.
The swelling of plant cells indicates that the plant -------
- A.
Acquires a structural support
- B.
Loses a structural support
- C.
Loses a physiological support
- D.
Acquires a physiological support
Correct Answer
D. Acquires a physiological support -
- 3.
The graph below illustrates the amount of substances found in cell walls of some plants. Which of the following represents stone cells?
- A.
(A)
- B.
(B)
- C.
(C)
- D.
(D)
Correct Answer
C. (C) -
- 4.
Among the followings which is the longest supportive cell?
- A.
Tracheids
- B.
Stone cells.
- C.
Sieve tubes.
- D.
Collenchyma cells.
Correct Answer
A. Tracheids -
- 5.
In physiological support, ……
- A.
There is a deposition of some substances on the cell wall.
- B.
The support concerns the cell as a whole.
- C.
There is a deposition of some substances in the cell wall.
- D.
The plant may surround itself by a cork layer.
Correct Answer
B. The support concerns the cell as a whole. -
- 6.
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?
- A.
(X)
- B.
(Y)
- C.
(Z)
- D.
(L)
Correct Answer
B. (Y) -
- 7.
The substance that plays a common role in both structural and physiological support is ……
- A.
Cellulose
- B.
Lignin
- C.
Pectin
- D.
Cutin
Correct Answer
A. Cellulose -
- 8.
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.
- A.
The plant regained its physiological support after 12 hours from the beginning of the experiment
- B.
The plant was exposed to a permanent wilting after 9 hours from the beginning of the experiment
- C.
The physiological support wasn’t affected during the experiment
- D.
A change occurred in the structural support
Correct Answer
A. The plant regained its physiological support after 12 hours from the beginning of the experiment -
- 9.
How do pea plants climb supporting fences?
- A.
By Leaves
- B.
By Tendrils
- C.
By Stem
- D.
By Roots
Correct Answer
B. By Tendrils -
- 10.
The diagram below shows a potted plant and the same plant 24 hours later. What causes the change in the appearance of the plant?
- A.
Water uptake is greater than water loss.
- B.
Water moves from the leaves to the stem.
- C.
Water uptake is equal to water loss.
- D.
Water loss is greater than water uptake.
Correct Answer
D. Water loss is greater than water uptake. -
- 11.
Study the following plant tissues then answer, which of the following tissues is(are) not characterized by the occurrence of a wall pressure?
- A.
(1)
- B.
(1) and (2)
- C.
(3)
- D.
(2) and (3)
Correct Answer
C. (3) -
- 12.
Physiological support in plants is represented by …….
- A.
Thickness of plant cell to prevent water loss.
- B.
Turgidity of the plant cell
- C.
Turgidity of vessels filled with nutrients
- D.
Deposition of cellulose on cell walls
Correct Answer
B. Turgidity of the plant cell -
- 13.
1- The generation of turgor pressure is done by the high osmotic pressure of …..
- A.
Cell membrane
- B.
Cell organelles
- C.
Cell vacuole
- D.
Cell wall
Correct Answer
C. Cell vacuole -
- 14.
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 ---------.
- A.
(X)
- B.
(Z)
- C.
(W)
- D.
(Y)
Correct Answer
A. (X) -
- 15.
Which of the following substances its presence in the cell walls increases their flexibility and rigidity but doesn’t prevent the passage of water?
- A.
Cutin
- B.
Suberin
- C.
Lignin
- D.
Cellulose
Correct Answer
D. Cellulose -
- 16.
The figure below represents the lower surface of a herbaceous leaf under microscope. Cells (X) have a characterized shape due to the ……….
- A.
Presence of a cellulosic wall
- B.
Absence of plastids
- C.
Deposition of lignin in their walls
- D.
Deposition of suberin in their walls
Correct Answer
A. Presence of a cellulosic wall -
- 17.
Which statement describes how young plants are supported?
- A.
The pressure of water inside the cells pressing inwards on the cell vacuole
- B.
The pressure of water passing from the roots through the phloem
- C.
The pressure of water inside the cells pressing outwards on the cell walls
- D.
The pressure of water passing from the roots through the xylem
Correct Answer
C. The pressure of water inside the cells pressing outwards on the cell walls -
- 18.
Collenchyma cells support the plant ……….
- A.
By deposition of lignin on their cell walls.
- B.
By their location and distribution.
- C.
By the turgidity of the internal tissue cells.
- D.
By absorbing O2 from the surrounding.
Correct Answer
B. By their location and distribution. -
- 19.
The following figure illustrates four different types of plant tissues. Which type of these tissues is found in the hard shells of nuts?
- A.
(1)
- B.
(2)
- C.
(3)
- D.
(4)
Correct Answer
D. (4) -
- 20.
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?
- A.
(1)
- B.
(2)
- C.
(1) and (3)
- D.
(3)
Correct Answer
A. (1) -
- 21.
Most mature living plant cells contain large-sized sap vacuoles. 2-These vacuoles help the cells to absorb water by diffusion.
- A.
The two statements are correct and related
- B.
The two statements are correct but unrelated
- C.
The first statement is correct while the second one is wrong
- D.
The first statement is wrong while the second one is correct
Correct Answer
C. The first statement is correct while the second one is wrong -
- 22.
The swelling (the size increasing) of dried fruits, on soaking them in the water for a period of time, is due to …….
- A.
Deposition of hard substances on the cell walls.
- B.
Its absorption of the water by osmosis.
- C.
The absence of its cells turgidity.
- D.
Prevention of water loss from the inner cells.
Correct Answer
B. Its absorption of the water by osmosis. -
- 23.
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?
- A.
(1)
- B.
(2)
- C.
(1) and (2)
- D.
(3)
Correct Answer
B. (2) -
- 24.
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?
- A.
(1) and (2)
- B.
(2) only
- C.
(1) only
- D.
(1) and (3)
Correct Answer
D. (1) and (3) -
- 25.
From the structural support in plant …….
- A.
Collenchyma cells
- B.
Sieve tubes
- C.
Palissade tissue
- D.
Parenchyma cells
Correct Answer
A. Collenchyma cells -
- 26.
Which of the following cells contain physiological and structural support together?
- A.
(1) only
- B.
(2) only
- C.
(1) and (2) together
- D.
(1) and (3) together
Correct Answer
B. (2) only -
- 27.
When watering plant cells they swell due to ……..
- A.
Entering of water into the cells by osmosis
- B.
Exit of sugar out of the cells by diffusion
- C.
Entering of water into the cells by diffusion
- D.
Exit of sugar out of the cells by osmotic pressure
Correct Answer
A. Entering of water into the cells by osmosis -
- 28.
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)
- A.
(X) → (Y) → (L) → (Z) → (W) → (E)
- B.
(Z) → (L) → (Y) → (W) → (E) → (X)
- C.
(Z) → (W) → (L) → (Y) → (E) → (X)
- D.
(X) → (E) → (Y) → (L) → (W) → (Z)
Correct Answer
C. (Z) → (W) → (L) → (Y) → (E) → (X) -
- 29.
From the pre-existing structural support in plants …….
- A.
Formation of a Cork layer
- B.
Deposition of Gums
- C.
Presence of Cell Walls
- D.
Formation of Tyloses
Correct Answer
C. Presence of Cell Walls -
- 30.
Which of the following tissues is the most retentive (able to hold water) of physiological support?
- A.
(1)
- B.
(2)
- C.
(3)
- D.
(4)
Correct Answer
A. (1) -
- 31.
Which of the following cells contain a physiological support only?
- A.
(1) only
- B.
(3) only
- C.
(1) and (2) together
- D.
(2) and (3) together
Correct Answer
B. (3) only -
- 32.
Physiological support in plants is temporarily because ….
- A.
It performs a skeletal function just as our bony skeletons do.
- B.
It depends on the presence of the water in the plant cells.
- C.
Collenchyma is a temporary support, it becomes crushed as woody tissue develops.
- D.
The external plant cells can’t prevent loss of water from inner cells.
Correct Answer
B. It depends on the presence of the water in the plant cells. -
- 33.
Which of the following structures acquire a physiological support on watering plants?
- A.
Sieve tubes
- B.
Xylem vessels
- C.
Stone cells
- D.
Parenchyma cells
Correct Answer
D. Parenchyma cells -
- 34.
The apple fruit does not shrink for a long period of time, due to the deposition of ………… substance.
- A.
Suberin
- B.
Lignin
- C.
Cellulose
- D.
Cutin
Correct Answer
D. Cutin -
- 35.
Which of the following does not agree with the rest choices according to the kind of support in plants?
- A.
Cellulose
- B.
Chitin
- C.
Lignin
- D.
Suberin
Correct Answer
B. Chitin -
- 36.
Support sclerenchyma is comprised of ------- and fibers.
- A.
Pectin
- B.
Cellulose
- C.
Sieve tubes
- D.
Stone cells
Correct Answer
D. Stone cells -
- 37.
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 …….....
- A.
Deposition of lignin
- B.
Deposition of cutin
- C.
Deposition of cellulose
- D.
Water movement
Correct Answer
D. Water movement -
- 38.
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?
- A.
(X)
- B.
(Y)
- C.
(Z)
- D.
(L)
Correct Answer
D. (L) -
- 39.
Which is true about the secondary cell wall found in many plant cells?
- A.
Located between the outer and inner layers of the plasma membrane.
- B.
In tracheary elements it consists of cellulose and pectin.
- C.
Found around plant cells and at their corners.
- D.
Located between the primary cell wall and the plasma membrane.
Correct Answer
D. Located between the primary cell wall and the plasma membrane. -
- 40.
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?
- A.
(X)
- B.
(Y)
- C.
(Z)
- D.
(L)
Correct Answer
B. (Y) -
- 41.
The plant cell swells, when water enters the cell under the effect of ….
- A.
Imbibition
- B.
Root pressure
- C.
Osmosis
- D.
Transpiration pull
Correct Answer
C. Osmosis -
- 42.
In which of the following cases, both the physiological and structural supports are found together?
- A.
The stone cells of pea fruit
- B.
The swelling of the dried bean seeds on putting them in water
- C.
The straightness of mint plant after irrigation
- D.
The deposition of cutin on cell walls of cactus plant
Correct Answer
D. The deposition of cutin on cell walls of cactus plant -
- 43.
Do green plastids play a role in supplying the alga with a physiological support?
- A.
Yes because they produce monosaccharaides
- B.
Yes because they absorb the required water needed for photosynthesis
- C.
No because they do not change the osmosis of the cell
- D.
No because they do not affect the size of the cell vacuoles
Correct Answer
A. Yes because they produce monosaccharaides -
- 44.
Plant cells lose its physiological support quickly in case of -------.
- A.
The increase in number of root hairs
- B.
The decrease in soil salts
- C.
The increase in cutin thickness on epidermal cell walls
- D.
The increase in number of stomata in the two sides of the leaf
Correct Answer
D. The increase in number of stomata in the two sides of the leaf -
- 45.
A type of algae has been transferred from fresh water to marine water. What is the change that occurs in the algae cells?
- A.
No effect
- B.
Plasma membrane expands
- C.
Plasma membrane moves inwards
- D.
Swelling of the algae cells
Correct Answer
C. Plasma membrane moves inwards -
- 46.
Which of the following plays the major role in providing support to young herbaceous parts of the plant?
- A.
Living cells of epidermis with higher turgor pressure.
- B.
Living cells of cortex and pith with higher turgor pressure.
- C.
Collenchyma cells.
- D.
All of them.
Correct Answer
D. All of them. -
- 47.
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.
(A)
- B.
(B)
- C.
(C)
- D.
(D)
Correct Answer
B. (B) -
- 48.
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 ---------.
- A.
(X)
- B.
(Z)
- C.
(W)
- D.
(Y)
Correct Answer
D. (Y) -
- 49.
What is the primary function of structural support materials in plants?
- A.
To increase the rate at which materials pass through the plant
- B.
To allow flexibility and movement for the plant
- C.
To maintain the shape of the plant and the plant cells
- D.
To control which substances enter and leave plant cells
Correct Answer
C. To maintain the shape of the plant and the plant cells -
- 50.
-------- deposits on the plant epidermal cell walls to prevent the loss of water through them.
- A.
Cutin
- B.
Lignin
- C.
Cellulose
- D.
Suberin
Correct Answer
A. Cutin -
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