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Tissue System

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Questions

Question 1 Multiple Choice (Single Answer)

Consider the following statements regarding functions of epidermis:
(a) It provides mechanical support and strength.
(b) It checks the entry of pathogen thus protects internal tissues.
(c) It enhances the rate of transpiration by developing cuticle.
(d) Exchange of gases occurs through stomata.
Which of the above statements is/are incorrect?

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

The tissue of water-absorbing dead cells present below the epidermis of aerial roots of some plants, e.g. orchidaceae is a _________.

  1. cambium
  2. velamen
  3. symplast
  4. stele
  5. none of these
Question 3 Multiple Choice (Single Answer)

Consider the following sentences regarding the internal structure of stem:
(a) Xylem is always endarch.
(b) Lateral roots have exogenous origin.
(c) Root hair are always multicellular.
(d) Vascular bundles are radially arranged.
Which of the above statements is correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. Only (d)
  5. None of these
Question 4 Multiple Choice (Single Answer)

A carbohydrate polymer found in sieve plates, pollen tubes and also on injured surfaces is _________.

  1. phellogen
  2. phellem
  3. callus
  4. callose
  5. none of these
Question 5 Multiple Choice (Single Answer)

Consider the following statements regarding Collenchyma:
(a) Vacuoles are large.
(b) Provide mechanical support to stem.
(c) Inter cellular spaces are generally present.
(d) Found above the skin.
Which of the above statements is correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. Only (d)
  5. None of these
Question 6 Multiple Choice (Single Answer)

Vascular bundles are conjoint and collateral and scattered in ground tissue of _______.

  1. monocot root
  2. dicot root
  3. dicot stem
  4. monocot stem
  5. none of these
Question 7 Multiple Choice (Single Answer)

The most simple and unspecialized tissue, which is concerned mainly with the vegetative activities of the plant is _______.

  1. collenchyma
  2. parenchyma
  3. sclerenchyma
  4. complex tissue
  5. none of these
Question 8 Multiple Choice (Single Answer)

The structure(s) present in the bark of trees that perform the function of respiration and transpiration is/are called _________.

  1. phloem
  2. lenticles
  3. tyloses
  4. companion cells
  5. none of these
Question 9 Multiple Choice (Single Answer)

Consider the following statements regarding shoot apex:
(a) It is sub-terminal in nature.
(b) It is protected by young leaves.
(c) Distinct nodes and inter-nodes are present.
(d) Cells are green and photosynthetic.
Which of the above statements are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. Only (d)
  5. None of these
Question 10 Multiple Choice (Single Answer)

Consider the following statements regarding Quiescent center:
(a) Quiescent center is a zone of inactive cells between the root cap and calyptrogen.
(b) It is located in the distal region of root apex between root cap and the active meristematic region.
(c) It is named as Quiescent center because its cells divide slowly.
Which of the above statements are correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 11 Multiple Choice (Single Answer)

Consider the following statements regarding meristematic cells.
(a) These do not have large central vacuoles.
(b) These are thin-walled and iodiametric.
(c) These divide and produce new cells.
Which of the above statements is/are correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. None of these
Question 12 Multiple Choice (Single Answer)

Consider the following statements:
(a) In exarch xylem, the protoxylem is situated towards the center of the axis and metaxylem lies towards the periphery.
(b) Sap wood (Albernum) is the inner colored part of the wood of tree, composed of dead cells filled with resin, gums, tannins, etc., and is not suited for conduction.
(c) Tracheid are single cell structures, elongated with tapering ends and shorter in size than vessels.
Which of the above statements is/are correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 13 Multiple Choice (Single Answer)

Consider the following statements:
(a) Calyptrogen results in the formation of root cap.
(b) Plerome forms the vascular bundle (stele).
(c) Cambium causes the secondary growth and increases the girth of stems and roots.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 14 Multiple Choice (Single Answer)

Consider the following statements:
(a) Vessels are composed of row of cells, cylindrical tubes with wide ends and long in size.
(b) Vascular bundle in which cambium is present is called open bundle.
(c) Annual rings do not occur in monocot trees growing on sea-shores.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. None of these
Question 15 Multiple Choice (Single Answer)

Consider the following statements regarding Dorsiventral leaf:
(a) Stomata are mostly present on the upper surface.
(b) The spongy parenchyma has large inter-cellular spaces and air cavities.
(c) The vascular bundles have sclerenchymatous patches only on the upper side.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 16 Multiple Choice (Single Answer)

Consider the following statements regarding structure of parenchyma:
(a) The cell walls are made up of cellulose, hemi-cellulose and pectin.
(b) The inner cellular spaces may or may not be present between the cells.
(c) The cell walls do not have primary walls.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All the above
  5. None of the above
Question 17 Multiple Choice (Single Answer)

Consider the following statements regarding characteristics of meristems:
(a) They are thick-walled, isodiametric cells with little protoplasm.
(b) Its cells are juvenile and capable of undergoing division.
(c) Its cells contain very small amount of mitochondria and endoplasmic reticulum.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 18 Multiple Choice (Single Answer)

Consider the following statements regarding Hydathodes:
(a) These are water secreting structures or water glands.
(b) They are found over the surface of leaves.
(c) Exudation of water through water stomata is known as guttation.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 19 Multiple Choice (Single Answer)

Consider the following statements regarding functions of Parenchyma:
(a) They provide rigidity.
(b) They may become meristematic and help in wound healing, regeneration and grafting.
(c) In the fleshy stems and leaves, parenchyma cells store water.
Which of the above statements is/are correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. None of these
Question 20 Multiple Choice (Single Answer)

Consider the following statements regarding digestive glands:
(a) They are present in insectivorous plants.
(b) They help in intracellular digestion.
(c) Secrete proteolytic enzymes.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. None of these
Question 21 Multiple Choice (Single Answer)

Consider the following statements regarding Bi-collateral bundle:
(a) Single patch of phloem are present.
(b) Xylem is surrounded by phloem both on the inner as well as on the outer sides.
(c) Single cambium strip present between the xylem and phloem.
Which of the above statements is/are correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. None of these
Question 22 Multiple Choice (Single Answer)

Consider the following statements:
(a) In an Amphivasal vascular bundle, the center is occupied by phloem and is surrounded by xylem.
(b) Primary phloem is derived from pro-cambium and differentiated into proto-phloem and meta-phloem.
(c) In conjoint vascular bundles, the xylem and phloem are found in separate groups and placed on different radii.
Which of the above statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 23 Multiple Choice (Single Answer)

Consider the following statements regarding meta-xylem:
(a) Later formed xylem
(b) Bears narrow vessels
(c) Retained for long periods
(d) Has fibers
Which of these statements is/are incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. Only (d)
  5. All of the above
Question 24 Multiple Choice (Single Answer)

Consider the following statements regarding interfascicular cambium:
(a) It is a primary meristem.
(b) It is present in the primary stem within the vascular bundles.
(c) It is derived from the pro-cambium of stem's apical meristem.
Which of the above statements is/are correct?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of the above
  5. None of the above
Question 25 Multiple Choice (Single Answer)

Consider the following statements regarding Root apex:
(a) It develops from permanent tissue which regains the power of division.
(b) Cells are isodiametric and without large vacuoles.
(c) It forms primary tissue except intra-fascicular cambium.
(d) It results in primary growth.
Which of the above statements is incorrect?

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. Only (d)
  5. None of these
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