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Anatomy of Flowering Plants (Class XI)

Anatomy of Flowering Plants

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. A cell is a group of tissues having a common origin and generally performing a common function.
b. Within angiosperms, the monocots and dicots are seen to be anatomically different.
c. During the formation of the primary plant body, specific regions of the apical meristem produce dermal tissues, ground tissues and vascular tissues.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 2 Multiple Choice (Single Answer)

Which of the following meristems appear(s) early in life of a plant and contribute(s) to the formation of the primary plant body?

a. Apical meristem
b. Intercalary meristem
c. Lateral meristem

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 3 Multiple Choice (Single Answer)

Which of the following is not a property of monocotyledonous stem?

  1. The water-containing cavities are present within the vascular bundles.
  2. Phloem parenchyma is present.
  3. Vascular bundles are conjoint and closed.
  4. It has a large number of scattered vascular bundles.
  5. The centrally located vascular bundles are bigger than the peripheral ones.
Question 4 Multiple Choice (Single Answer)

The increase in girth of a plant is called its secondary growth. Which of the following tissues is/are not involved in secondary growth?

a. Pericycle
b. Vascular cambium
c. Cork cambium

  1. Only a
  2. Only b and c
  3. Only b
  4. Only a and b
  5. Only c
Question 5 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The peripheral region of the secondary xylem is lighter in colour and is known as the heartwood.
b. The spring wood is lighter in colour and has a lower density whereas the autumn wood is darker and has a higher density.
c. Sapwood is involved in the conduction of water and minerals from root to leaf.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 6 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The growth of the roots and stems in length with the help of apical meristem is called the primary growth.
b. In the young stem, the meristematic layer is present in patches as a single layer outside the xylem.
c. In dicot stems, the cells of cambium present between primary xylem and primary phloem is the intrafascicular cambium.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 7 Multiple Choice (Single Answer)

Which of the following properties is/are associated with a dicotyledonous root?

a. Many of the epidermal cells protrude in the form of unicellular root hairs.
b. The cortex consists of several layers of thin-walled parenchyma cells with intercellular spaces.
c. There are usually more than six xylem bundles in a dicotyledonous root.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 8 Multiple Choice (Single Answer)

Complex tissues work together as a unit and are made of more than one type of cells. Which of the following constitute the complex tissues in plants?

a. Xylem
b. Sclerenchyma
c. Phloem
d. Collenchyma

  1. Only b and d
  2. Only b and c
  3. Only a and d
  4. Only a and b
  5. Only a and c
Question 9 Multiple Choice (Single Answer)

The parenchymatous cells which lie between the xylem and the phloem are called

  1. epidermis
  2. pericycle
  3. casparian strips
  4. conjuctive tissue
  5. endodermis
Question 10 Multiple Choice (Single Answer)

Stomata is composed of two bean-shaped cells known as guard cells. Which of the following is not a property of the guard cells?

  1. The guard cells in dicot plants are kidney-shaped and dumbbell-shaped in monocots.
  2. They store food material and other substances like resins, latex and mucilage.
  3. The outer walls of guard cells are thin and the inner walls are highly thickened.
  4. The guard cells keep stomata open during the day and keep them closed during the night.
  5. They possess chloroplasts and regulate the opening and closing of stomata.
Question 11 Multiple Choice (Single Answer)

Which of the following cells are living, thin-walled and have their cell walls made up of cellulose?

  1. Xylem fibres
  2. Tracheids
  3. Xylem parenchyma cells
  4. Vessels
  5. None of these
Question 12 Multiple Choice (Single Answer)

Match the following:

 
a. Lateral meristem 1. It is the meristem which occurs between mature tissues.
b. Apical meristem 2. It is the meristem which occurs at the tips of roots and shoots, and produces primary tissues.
c. Intercalary meristem 3. It is the meristem in which secondary growth occurs, resulting in increase in stem girth.
  1. a - 3, b - 2, c - 1
  2. a - 3, b - 1, c - 2
  3. a - 1, b - 3, c - 2
  4. a - 2, b - 3, c - 1
  5. a - 1, b - 2, c - 3
Question 13 Multiple Choice (Single Answer)

The function of which of the following entities is to store food material and other substances like resins, latex and mucilage?

  1. Companion cells
  2. Xylem parenchyma
  3. Sieve tube elements
  4. Phloem parenchyma
  5. Phloem fibres
Question 14 Multiple Choice (Single Answer)

Of the three tissue systems, the vascular tissue system consists of which of the following entities?

a. Stomata
b. Epidermal appendages
c. Xylem
d. Phloem

  1. Only a and b
  2. Only c and d
  3. Only a and c
  4. Only a and d
  5. Only b and c
Question 15 Multiple Choice (Single Answer)

Match the following:

 
a. Closed vascular bundle 1. In this, the xylem and phloem are situated at the same radius of vascular bundles.
b. Radial vascular bundle 2. In this, the vascular bundles have no cambium present in them and they do not form secondary tissues.
c. Cojoint vascular bundle 3. In this, the xylem and phloem within a vascular bundle are arranged in an alternate manner on different radii.
  1. a - 1, b - 2, c - 3
  2. a - 2, b - 1, c - 3
  3. a - 2, b - 3, c - 1
  4. a - 3, b - 2, c - 1
  5. a - 1, b - 3, c - 2
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