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present between xylem and phloem within a vascular, Intrafascicular cambium is a primary meristem and is, art-I), antomy of Flowering Plants, 435, mis,, 4. Match column I with column II and select the correct, answer., bundle., ve Open vascular bundle has cambium and closed, ortex, Column I, and, vascular bundle lacks cambium., Column II, A Tracheids, 1 Phloem, curs, ATCH THE COLUMN TYPE QUESTIONS, B Companion cells, s of, ular, The, 2 Xylem, C Intrafascicular cambium 3 Secondary meristem, Metch column I with column II and select the correct, D Cork cambium, 4 Primary meristem, answer., Answer codes :, (a) A = 1, B = 3, C= 2, D 4, (b) A = 3, B = 2, C = 4, D 1, (c) A = 2, B = 1, C = 4, D= 3, (d) A = 4, B = 3, C= 2, D= 1, 5. Match column I with column II and select the correct, es?, Column I, Column II, A Phellem, 1 Starch sheath, sues, B Phellogen, C Secondary cortex, 2 Cork, ells, ents, lem, 3 Cork-cambium, D Endodermis, 4 Phelloderm, answer., are, Answer codes:, (a) A = 2, B = 3, C = 4, D = 1, (b) A = 4, B = 3, C = 2, D = 1, (c)'A 1, B = 2, C = 3, D = 4, (d) A = 2, B = 1, C =4, D= 3, 2. Match column I with column II and select the correct, ma, Column I, Column II, A Commercial bark, 1 Cinchona, B Quinine, 2 Quercus, C Bhojpatra, 3 Cork, d?, answer., D Suberin, 4 Betula, Column II, itin, lae, Column I, Answer codes :, (Vascular bundles), (Examples), (a) A = 1, B = 2, C 3, D 4, (b) A = 2, B = 1, C= 4, D 3, (c) A = 4, B = 3, C= 2, D 1, (d) A = 3, B = 4, C= 1, D 2, A Dictyostele, 1 Root, ind, rell, B Exarch, 2 Fern, C Bicollateral, 3 Cucurbita stem, ANSWERS, D Open, 4 Dicot stem, ure, in, 1. (a), 2. (d), 3. (b), 4. (c), 5. (b), Answer codes :, (a) A = 1, B = 2, C = 3, D = 4, (b) A = 4, B = 3, C= 2, D 1, (c) A = 3, B = 2, C = 1, D = 4, (d) A = 2, B = 1, C = 3, D = 4, * Match column I with column II and select the correct, answer., hat, MISCELLANEOUS QUESTIONS, O Fill in the blanks, ch, 1. The zone of slowly dividing cells in the middle of highly, meristematic cells in the root apex is called., 2. The conducting cells of-, elements., are called tracheary, Column I, Column I, A Histogen theory, m., 1 Nageli, 3. When xylem is surrounded by phloem the vascular bundle, 2 Schmidt, B Tunica corpus theory, C Apical cell theory, D Tissue, is called, he, 3 Hanstein, 4. Parenchyma cells are very few or absent in the phloem of, lar, 4 Grew, re, 5. Endodermal cells can be identified by presence of, Answer codes:, (a) A = 2, B = 3, C= 4, D = 1, (b) A 3, B = 2, C= 1, D= 4, (c) A= 4, B = 3, C = 2, D=1, (d) A = 1, B = 2, c= 3, D= 4, nd, 6. Sieve tubes become functionless when, is, deposited on sieve plates.
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Reason (R) : Meristem cells are highly specialized with, Reason (R) : Histogen theory has been proposed by, Reason (R) : Lateral organs in shoot are formed at some, 1. Assertion (A) : Meristem is located at all the growing, 2. Assertion (A) : Scheupp's dermatogen is not equivalent, 4. Assertion (A) : Inspite of the absence of nuclei, the sieve, 430, 7. Meristems are mainly concerned with., points in a plant., 8. When phloem is surrounded by xylem the vascular bundle, is called, lignified cell walls to provide support., 9. Stele in dicot stem is called, 10. Tunica corpus theory was proposed by, to Haberlandt's protoderm., ANSWERS, Schmidt., 1. Quiescent centre, 2. Xylem, 3. Amphicribral,, 4. Monocots, 5. Casparian, 6. Callose, 7. Cell division,, 8. Amphivasal, 9. Eustele, 10. Schmidt., 3. Assertion (A): Shoot apex is not involved i, formation of lateral appendages., distance behind the apical meristem., O True or False Statements, tubes continue to live., State whether the following statements are True (T) or, False (F)., 1. Bulliform cells occur in stem and leaf both., Reason (R) : A companion cell is associated with eneh, sieve tube., 5. Assertion (A) : Cork is used to stopper bottles o, 2. The living tissues are always thin walled., 3. The cork cambium is a lateral meristem., medicines., Reason (R) : Cork is light and highly compressible., 4. The histogen that gives rise to epidermis is called as, dermatogen., 5. As many as three histogenic layers are seen in shoot apex., 6. The periderm layers include cork, cork cambium and, secondary cortex., 7. The vascular cambium is also called interfascicular, ANSWERS, 1. (c), 2. (d), 3. (d), 4. (a), 5. (b), MULTIPLE CHOICE QUESTIONS, cambium., 8. The inner bark is largely composed of living cells., 9. The cambium ring in roots is partly primary and partly, secondary., 10. Very distinct annual rings are organized in the roots., 1. Angular collenchyma cells are found in :, (b) Cucurbita sp., (d) Salvia sp., (a) Althaea sp., (c) Lactuca sp., 2. The only plant cells without nucleus among the, following is :, (a) cambium cells, ANSWERS, 1. F, 2. F, 3. T, 4. T, 5. T, (b) root hair, (c) companion cells, (d) xylem vessels, 3. A mature sieve tube differs from a vessel in:, 6. T, 7. F, 8. T, 9. F, 10. F, (a) the absence of prominent lignified wall thickenings, (b) being nearly dead, (c) lacking cytoplasm, (d) lacking nucleus, 4. Tunica-Corpus theory is related with:, (a) lateral meristems, (c) shoot apex, ASSERTION AND REASON, TYPE QUESTIONS, The following questions consist of two statements, one, labelled as Assertion (A) and the other labelled the, Reason (R). Examine these two statements carefully and, select the most appropriate answer codes., (b) root cap, (d) root apex, 5. Dermatogen, periblem and plerome are :, (a) secondary tissues, (c) permanent tissues, 6. Stelar region, pericycle and pith formed from:, (a) periblem, (c) dermatogen, 7. The meristem in the roots is :, Answer codes:, (a) Both (A) and (R) are true and (R) is the correct expla-, nation of (A), (b) Both (A) and (R) are true and (R) is not the correct, (b) meristematic tissues, (d) intercalary tissues, explanation of (A), (c) (A) is true and (R) is false, (d) Both (A) and (R) are false, (b) plerome, (d) none of these, (a) terminal, (c) absent, (b) intercalary, (d) sub-terminal
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(a) vascular bundles are arranged in ring and have, When protoxylem develops towards the periphery, it is, 18. Vascular cambium and cork cambium are examples of:, 17. Which one of the following tissues is formed in stem, 437, called:, (a) centripetal xylem, (6) endarch, In dicot root:, (b) elements of xylem and phloem, (c) intercalary meristem, (d) apical meristem, 19. Vascular cambium consists of:, (b) centrifugal xylem, (d) mesarch, ht, cambium, b) xylem and phloem radially arranged, (e) xylem is always endarch, di vascular bundles are scattered, a Centripetal xylem is present in:, (a) collenchyma, (b) sclerenchyma, (c) phloem, (d) fusiform initials and ray initials, 20. Fusiform initials form:, (a) tracheary elements, (c) phloem parenchyma, 21. In case of dicot root the cork cambium is derived from:, (a) epidermis, (b) monocot stem, (d) dicot stem, (b) ray parenchyma, (d) vascular rays, (a) dicot root, (c) branches of stem, . Which of the following is not a characteristics feature of, the anatomy of dicotyledonous roots?, (a) secondary growth, (e) vascular bundles 15-20 (d) radial vascular bundles, (b) pericycle, (d) hypodermis, (c) cortex, (b) pith little or absent, 22. The bark of a tree comprises :, (a) all the tissues outside the vascular cambium, 12 Well-developed pith is found in:, (a) monocot stem and dicot stem, (b) monocot root and dicot stem, (c) dicot root and dicot stem, (d) monocot root and monocot stem, 13. The vascular bundles in the stem of monocots are, (b) all the tissues outside the cork cambium, (c) the cork secondary cortex, (d) only the cork, 23. Trees at sea shore do not have annual rings because :, (a) there is climatic variation, (b) there is no marked climatic variation, typically:, (a) collateral, (b) bicollateral, (d) concentric, (c) there is enough moisture in the atmosphere, (d) soil is sandy, 24. Which will decay faster if exposed freely to the air ?, (c) radial, 14. Which of the following is not the characteristic feature of, the anatomy of xerophytes?, (a) spongy parenchyma, (b) well developed conducting tissue, (c) thick cuticle, (a) heartwood, (b) sapwood, (c) wood with lots of fibres, (d) softwood, 25. Which of the following is not true about sclereids?, (d) well developed mechanical tissue, 16. The correct situation of mesophyll in isobilateral grass, leaf is shown by :, (a) these are commonly found in shells of nuts, pulp of, guava, pear, etc., (b) sclereids are also called stone cells, (c) these form sclerenchyma with fibers, (d) these are groups of living cells, 26. Bamboo, grass and mint stem elongate by the activity of:, (a) palisade towards adaxial surface, (b) palisade towards abaxial surface, (c) undifferentiated mesophyll, (d) palisade along both the surfaces, * In the primary tissue of the stem, the cambium separating, the xylem and the phloem is called:, (a) fascicular cambium, (b) cork cambium, (a) primary meristem, (c) intercalary meristems, (b) secondary meristem, (d) apical meristems, 27. Meristematic activity is at its maximum in :, (b) bud, (d) root hair, (a) stem apex, (c) leaf, 28. The histogens are differentiated in:, (a) apical meristems, (c) lateral meristems, 29. A cup like region of inactive cells between meristem and, root cap is :, (a) somatic zones, (c) interfascicular cambium, (d) procambium, (b) intercalary meristems, (d) secondary meristems, Mom cells cut off by the cambium on its inner side?, (a) wood fibres, (b) sieve tubes, (d) bast fibres, (b) vegetative zone, (d) corpus centre, (c) companion cells, (a) lateral meristem, (c) quiescent centre
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becomes impermeable to water due to accumulation of:, 52. Cork cambium results in the formation of cork which, 44. The formation of distinct annual rings in stem mainly, GRB New Era Biology: Class-XI (Part-), 438, 30. The organization of shoot apex into tunica and corpus is, determined largely on the basis of:, (a) regions of meristematic activity, (b) planes of cell division, (c) rate of shoot tip growth, (d) rate of cell division, 31. Bast fibres in woody stem belong to :, (b) loss of half of its branches, (c) loss of all of its leaves, (d) loss of all of its bark, 43. In summer season, the cambium:, (a) dies, (c) become less active, (b) become more active, (d) become active, depends on:, (a) formation of cork cambia, (b) contrasting seasonal variations, (c) uniform climatic conditions, (d) formation of unequal phloem and xylem, 45. Identify the tissue system from among the following:, (a) cork, (b) phloem, (d) xylem, (c) cortex, 32. Resin canals are:, (a) schizogenous, (c) schizolysigenous, 33. Epidermal outgrowth are known as :, (b) lysigenous, (d) none of these, (b) leaves, (d) buds, 34. In a graft between stock and scion, the structure first, (a) trichomes, (c) stomata, (a) parenchyma, (c) epidermis, 46. Interfascicular cambium and cork cambium are formed, (NCERT Exemplar), (b) xylem, (d) phloem, developed is :, (NCERT Exemplar), (b) cell differentiation, (d) redifferentiation, due to :, (a) vascular tissues, (a) cell division, (c) cell dedifferentiation, 47. How many shoot apical meristems are likely to be, present in a twig of a plant possessing 04 branches and, 26 leaves?, (b) wall, (d) plasmodesmata, (c) callus, 35. Polyarch, exarch vascular bundles are the characteristics, of:, (a) dicot stem, (NCERT Exemplar), (b) dicot root, (d) monocot root, (c) monocot stem, 36. Bordered pits occur in :, (a) sieve tube members, (c) vessel members, (a) 26, (c) 05, 48. A piece of wood having no vessels must belong to:, (b) 01, (d) 30, (b) sieve cells, (d) companion cells, (NCERT, kemplar), 37. Largest amount of chloroplast in the leaf is in :, (a) spongy tissue, (c) guard cells, 38. Vascular cambium gives rise to :, (a) xylem and phloem, (b) xylem, phloem and vascular rays, (c) xylem and medullary rays, (d) phloem and bark, 39. The youngest layer of secondary xylem in a 5 year old, (a) teak, (c) pine, 49. What is the fate of primary xylem in a dicot root showing, extensive secondary growth?, (a) it is retained in the centre of axis, (b) it gets crushed, (c) may or may not get crushed, (d) it gets surrounded by primary phloem, 50. The cells of the quiescent centre are characterized by-, (b) mango, (d) palm, (b) palisade tissue, (d) bundle sheath cells, (NCERT Exemplar), dicot stem lies :, (AIPMT 2003), (a) just outside cambium, (c) adjacent to pith, 40. When secondary growth begins in dicot root what, happens first ?, (a) cambial initials between xylem and phloem divide, (b) cells of the pericycle divide, (c) anticlinal divisions occur in cambium, (d) cells of conjunctive parenchyma become meristematic, 41. The cork of dicots is derivative of :, (a) phellogen, (c) phloem, 42. Which could do maxinmum harm to a tree ?, (a) loss of half of its leaves, (a) having light cytoplasm and small nuclei, (b) dividing regularly to add to the corpus, (c) dividing regularly to add to tunica, (d) having dense cytoplasm and prominent nuclel, 51. Differentiation of shoot is controlled by:(AIPMI A0, (a) high cytokinin, (b) high gibberellin, (c) high gibberellin, (d) high auxin, (b) just inside cambium, (d) adjacent to cortex, auxin ratio, auxin ratio, cytokinin ratio, cytokinin ratio, (b) vascular cambium, (d) xylem, (AIIMS 2004), (a) resins, (c) lignin, (b) suberin, (d) tannins
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439, (Karnataka CET 2004), (c) temperate hot regions, (d) tropical deciduous, 64. Jute fibres are obtained from the:, t Motor cells are found in:, (a) brain, (b) spinal cord, (c) monocot stem, id) upper epidermis of monocot leaf, (DPMT 2009), (a) secondary phloem, (c) xylem, 65. Palisade parenchyma is absent in leaves of:, (b) pith, (d) endodermis, (AIIMS 2004), (AIPMT 2009), (a) vessels, (c) sieve elements, & Fascicular cambium separates xylem and phloem in :, (b) sperms, (d) guard cells, (a) soyabean, (c) sorghum, (b) gram, (d) mustard, 66. Cuticle is absent in :, (DPMT 2009), (AMU 2004), esophytes, (c) mature stems, 67. Anatomically a fairly old dicotyledonous root is, distinguished from the dicotyledonous stem by :, (a), (b) young roots, (d) leaves, (b) monocots, (a) dicots, (c) both of these, 6. Removal of ring bark would finally lead to death of plant, (d) none of these, (DYPATIL Pune 2004), due to:, (a) absence of transport of minerals, (b) absence of transport of organic solute to roots, (c) death of stem, (d) absence of water translocation, 57. Which of the following is not formed from procambium?, (AIPMT 2009), (a) presence of cortex, (b) position of protoxylem, (c) absence of secondary xylem, (d) absence of secondary phloem, 68. What is/are true about heart wood?, (MGIMS Wardha 2005), (Karnataka CET 2009), (а) хylem, (b) phloem, (c) intrafascicular cambium, (d) interfascicular cambium, (A) it does not help in water conduction, (B) it is also called alburnum, (C) it is dark in colour but very soft, (D) it has tracheary elements which are filled with, tannin, resin, etc., (a) B, C and D, (c) B and D, 69. Heartwood differs from sapwood in:, (a) having dead and non-conducting elements, (b) being susceptible to pests and pathogens, (c) presence of rays and fibres, (d) absence of vessels and parenchyma, 70. Which one of the following is not a lateral meristem?, 58. Epiblema is epidermal layer of:, (DPMT 2005), (a) monocot leaf, (c) monocot stem, (b) dicot root, (d) dicot stem, (b) A and D, (d) A, B and C, (AIPMT 2010), 59. Growth rings are indicated by:, (a) cork cambium, (c) cortex, (JIPMER 2005), (b) vascular tissues, (d) secondary xylem, 00. Identify the correct statement with reference to, pericycle. It is :, (a) distinguished in monocot stems, (b) innermost layer of cortex, (JKCET 2006), (AIPMT 2010), (a) phellogen, (b) intercalary meristem, (c) intrafascicular cambium, (d) interfascicular cambium, 71. Ground tissue includes:, (a) all tissues except epidermis and vascular bundles, (b) epidermis and cortex, (c) all tissues internal to endodermis, (d) all tissues external to endodermis, 72. As compared to a dicot root, a monocot root has:, (c) partly sclerenchymatous in roots, (d) the seat of origin of lateral roots, 61. Cambium ring consists of:, (Karnataka CET 2007), (a) interfascicular cambium, (b) intrafascicular cambium, (c) both (a) and (b), (d) phelloderm, e. Which one of the following is resistant to enzyme, action?, (AIPMT 2011), (AIPMT 2008), (b) wood fibres, (d) leaf cuticle, (a) cork, (AIPMT 2012), (c) pollen exine, 3. Growth rings are either absent or are not sharply, demarcated in :, (a) more abundant secondary xylem, (b) many xylem bundles, (c) inconspicuous annual rings, (d) relatively thicker periderm, (Uttarakhand PMT 2008), (a) temperate deciduous trees, (b) tropical evergreen
