PLANT ANATOMY #IMP_QUESTIONS 1. Vessels in plants is generally blocked by: [IOM 2004] (a) Tyloses (b) Phellem 2. The vascular bundle having phloem in the centre and surrounded by xylem is termed as: [IOM 2004] (a) amphicribal (b) amphivasal (c) radial (d) collateral 3. Which of the follower shows the secondary growth: [IOM 2003] (a) maize (b) sugarcane (c) Yacca (d) Wheat 4. Stele in monocot stem is: [IOM 1998] (a) Siphonostele (b) Eustele (c) Atactostele (d) Merostele 5. Intercalary bundles in monocots are arranged in: [IOM 1997] (a) Cambium (b) Apical meristem (c) Lateral meristem (d) Ground meristem 6. Which one of the following is living component of xylem system ? [IOM 1997] (a) Tracheids (b) Vessels (c) Wood parenchyma (d) Xylem fibres 7. Lateral roots originate from: [IOM 1996] (a) Endoderm and are endogenous (b) Endoderm and are exogenous (c) Pericycle and are endogenous (d) Pericycle and are exogenous 8. The xylem in root is: [IOM 1999] (a) Exaech (b) Endarch (c) Both (d) None 9. The leaves of grasses roll because: [BP 2001] (a) They are very thin (b) They have kranz anatomy (c) They have bulliform cells (d) They have no epidermis 10. Exarch xylem has: [BP 2001] (a) Protoxylem towards centre and metaxylem towards periphery (b) Metaxylem towards center and protoxylem towards periphery (c) Meta and protoxylem arranged radially (d) Meta and protoxylem on the same 11. All in the group are characteristics of monocot : [BP 2003] (a) Pericycle doesn’t form cambium, pith is absent and leaves are dorsiventral (b) Pericycle doesn’t form cambium, pith is absent in stem and leaves are isobilateral (c) Pericycle doesn’t form cambium, pith is well developed and leaves are dorsiventral (d) Pericycle form cambium, pith is well developed and leaves are isobilateral 12. Food is transported to different parts of plant through : [BP 2004] (a) Xylem (b) Phloem (c) Pith (d) Cortex 13. Secondary growth in thickness of plant is brought about initially by division of the: [BP 2005] (a) Medullary (b) Cambium (c) Xylem (d) Pericycle 14. Bidirectional translocation of mineral takes plant in: [BP 2006] (a) Xylem (b) Phloem (c) Cambium (d) Parenchyma Note: Bidirectional translocation in phloem is of photosynthets (sucrose) 15. Cambium helps in [MOE 2063] (a) Growth of plant (b) Secondary growth (c) Reproduction (d) Seed formation 16. Function of sclerenchyma tissue is to [MOE 2063] (a) Give mechanical support (b) Prepare food (c) Help in respiration (d) Help in transpiration 17. The hypodermis in monocotyledonous stem is: [MOE 2062] (a) Parenchymatous (b) Collenchymatous (c) Chlorenchymatous (d) Sclerenchymatous 18. Which of the following is an example of primary meristematic tissue? [MOE 2062] (a) Intrafasciular cambium (b) Interfasciular cambium (c) phellogen (d) Vascular cambium in dicot roots 19. Bicollateral vascular bundles are found in: [MOE 2060] (a) Mustard (b) Cucurbits (c) Pea (d) Rice 20. The vascular bundle is scattered in [MOE 2003] (a) Corn plant (b) Sunflower (c) Cucurbita (d) Mustard 21. Lateral roots arise from (a) Hypodermis (b) Cortex (c) Cucurbita (d) Endodermis 22. Vascular bundle of maize is [MOE 2058] (a) Collateral and open (b) Collateral and closed (c) Radial (d) Bicollateral and open 23. The youngest layer secondary xylem in a woody stem is located just [MOE 2000,2055] (a) Outside the cambium (b) Outside the pith (c) Inside the cambium (d) Inside the epidermis 24. Cambium of dicot root is formed by [MOE 2000] (a) Hypodermis (b) Cortex (c) Pericycle (d) Epidermis 25. If metaxylem faces toward, pith the xylem is [MOE 2059] (a) Endarch (b) Exarch (c) Mesarch (d) Diarch 26. Vascular bundle of dicot stem is [MOE 2055] (a) Radial (b) Exarch (c) Endarch (d) Measarch 27. Periderm consists of [MOE 2054] (a) Bark, secondary cortex (b) Secondary cortex and cork (c) Secondary cortex, cork and corkcambium (d) Secondary cortex, cork, corkeambium and bark 28. Net–like thickening of xylem vessel is called [MOE 2054] (a) Sclariform (b) Pitted (c) Annular (d) Reticulate 29. Pith is well developed in [BP 2054] (a) Dicot stem (b) Monocot root (c) Both a and b (d) None 30. In grafting stock and scion following ought to be joined [BP 1994] (a) Pith to pith (b) Xylem to xylem (c) Cambium to cambium (d) Any way it dose not matter 31. Chlorenchyma and acrechyma are modified forms of [BP 1995] (a) Parenechyma (b) Collenchyma (c) Cambium to cambium (d) Protoxylem 32. With Increasing secondary growth in trees which will increase in diameter? [BP 1995] (a) Sapwood (b) Heartwood (c) both (d) Pith 33. Amylopast is [BP 1990] (a) Starch (b) Protein (c) Lipid (d) None Note: Amylopast is starch storing leucoplast 34. Pith is developed by the activity of [BP 1997] (a) Procambium (b) Ground meristem (c) Endoderm (d) Cortex 35. Mesophyll tissue found in leaves are actually the [BP 1997] (a) Parenchymatous cell (b) Chlorenchymatous cell (c) Collenchymatous cell (d) Sclerenchymatous cell 36. Atactostele is present in [BP 1998] (a) Mazie (b) Castor (c) Grams (d) a and c both 37. Jute is [BP 1998] (a) Surface fiber (b) Bast fiber (c) Leaf fiber (d) Xylem fiber 38. Suberin in a dead cork cell [BP 2064] (a) Cheak transpiration (b) Prevents from infection (c) Makes cell wall strong and impermeable (d) All of the above 39. Name the condition in which xylem is surrounded in both outers and inner side by phloem: [IOM 2007] (a) Bicollateral (b) Collateral (c) Exarch (d) Endarch 40. Hypodermis in monocotyledonous stem is [IE 2004] (a) Parenchymatous (b) Chlorenchmatous (c) Collenchymatous (d) Sclerenchymatous 41. Casparian stripe is found in [IE 2004] (a) periderm (b) Epidermis (c) Endodermis (d) Hypodermis 42. Cork & secondary cortex is formed due to [IE 2005] (a) Cambial activity (b) Xylem (c) Pericyle (d) Vessels 43. Most common ground tissue [IE 2005] (a) Collenchymatous (b) Perenchymatous (c) Sclerenchymatous (d) Aerenchymatous 44. Both the palisade & spongy mesophylls of function to: [IE 2007] (a) Synthesize sugar (b) Transport water (c) Transport sugar (d) Protect against water loss 45. Cork tissue is known as: [IE 2008] (a) Phelloderm (b) Phellogen (c) Phellem (d) Periderm 46. The pericycle which give rise to lateral roots consists of [IE 2009] (a) Epithelial cells (b) Meristmatic cells 47. A phellogen originates from [IE 2009] (a) Intrafascicular combium (b) Interfascicular cambium (c) Vasular cambium (d) Tissue outside the vascular cambium 48. The protoxylem is largely composed of [IE 2009] (a) Annular vessels (b) Spiral vessels (c) Parenchyma (d) Both a and b 49. Primary growth involves activity of the [IE 2009] (a) Vascular cambium (b) Apical meristem (c) Cork meristem (d) Cork cambium 50. Tunica corpus theory was proposed by: (a) Schnidt (b) Nageli (c) Hanstein (d) Hofmeister 51. Cork cambium represents: (a) Secondary meristem (b) Primary meristem (c) Intercalary meristem (d) Apical meristem 52. Grass stem elongates after initial growth due to: (a) Lateral meristem (b) Secondary meristem (c) Intercalary meristem (d) Apical meristem 53. According to histogen theory, epidermis is formed by: (a) Dermatogens (b) Protoderm (c) Periblem (d) Plerome 54. Tunica-corpus theory is connected with: (a) Root apex (b) Root cap (c) Shoot apex (d) Secondary growth 55. Which meristem helps in increasing girth? (a) Lateral meristem (b) Intercalary meristem (c) Primary meristem (d) Apical meristem 56. Root cap regenerates by the activity of: (a) Plerome (b) Dermatogens (c) Calyptrogens (d) Periblem 57. Quiescent centre was discovered by: (a) Eames (b) Schmidt (c) Clowes (d) Hanstein 58. Eustele is characteristic of: (a) Monocot (b) Dicot (c) Pteridophytes (d) Bryophytes 59. Which group posses’ vessels in its xylem? (a) Pteridophytes (b) Angiosperm (c) Gymnosperm (d) Both b and c 60. Which helps in thickening of collenchymas? (a) Suberin (b) Cutin (c) Pectin (d) Lignin 61. Aerenchyma occurs in: (a) Mesophytes (b) Xerophytes (c) Hydrophytes (d) Sciophytes 62. In sclerenchyma, wall is: (a) Lignified (b) Suberised (c) Pectinised (d) Cutinised 63. Cotton fibers are: (a) Bark fibers (b) Phloem fibers (c) Pericycle fibers (d) Epidermal fibers 64. Bicollateral bundles occur in the stem of: (a) Liliaceae (b) Cruciferae (c) Cucurbitaceae (d) Malvaceae 65. Collenchyma produces: (a) Epidermis (b) Hypodermis (c) Inner cortex (d) Phloem 66. A bundle having phloem on either side of xylem is: (a) Bicol lateral (b) Collateral (c) Radial (d) Concentric 67. Mesarch xylem is found in: (a) Monocots (b) Dicots (c) Ferns (d) Bryophytes 68. Transport of water and dissolved minerals occur through: (a) Phloem (b) Xylem (c) Sieve tubes (d) Sclerenchyma 69. Periderm includes: (a) Cork cambium (phellogen) (b) Cork (phellem) (c) Secondary cortex (phelloderm) (d) All 70. xylem in dorsiventral leaves is directed towards: (a) Upper epidermis (b) Lower epidermis (c) Surrounds phloem (d) Surrounded by phloem 71. Where do the casparian bands occur? (a) Epidermis (b) Endodermis (c) Pericycle (d) Phloem 72. The cambium which produces cork is called: (a) Phelloderm (b) Pellogen (c) Periblem (d) Periderm 73. Phloem parenchyma is absent in: (a) Dicot root (b) Dicot leaf (c) Monocot stem (d) Dicot stem 74. In roots, lateral branches originates from: (a) Epidermis (b) Pericycle (c) Cortex (d) Endodermis 75. Polyarch and exarch condition is found in: (a) Monocot stems (b) Xerophytes (c) Dicot stem (d) Dicot root 76. Sunken stomata are found in: (a) Mesophytes (b) Xerophytes (c) Hygrophytes (d) Hydrophytes 77. Lenticels do not occur in: (a) Fruit (b) Root (c) Stem (d) Leaf 78. Cork cells are impervious due to deposit of: (a) Cutin (b) Lignin (c) Suberin (d) Chitin 79. In cucubita, hypodermis is formed by: (a) Sclerenchyma (b) Collenchyma (c) Parenchyma (d) Aerenchyma
Posted on: Thu, 20 Nov 2014 10:21:02 +0000
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