41. Tracheids are elongated cells with thick and _______ walls and _______ ends.
Answer : Lignified, B-Tapering
42. On the basis of variation in form, structure and development sclerenchyma cells are of how many types ?
Answer : Two
43. The meristem that occurs in the mature region of roots and shoots of many plants particularly those that produce woody axis and appear later than primary meristem is called.
Answer : Secondary meristem
44. The structure(s) which is derived from shoot apical meristem and present in axil (s) of leaf (leaves) and are capable of forming a branch or a flower, called _______ .
Answer : Axillary bud
45. Which type of vascular bundles are found in roots?
Answer : Radial
46. At some places, the cambium forms a narrow bands of _______ which passes through the secondary xylem and the secondary phloem in the radial directions. These are the _______
Answer : Parenchyma, Secondary Medullary rays
47. Which type of sclerenchyma cells are found in the fruit wall of nuts, pulp of fruits like guava, pear and sapota, seed coats of legumes and leaves of tea.
Answer : Sclereids
48. Which simple permanent tissue forms the major component with in plant organs ?
Answer : Parenchyma
49. Phloem fibre are made up of _______ cells. These are generally absent in the _______
Answer : Sclerenchymatous, Primary Phloem
50. Which simple tissue performs various functions like photosynthesis secretion and storage ?
Answer : Parenchyma
51. _______ is impervious to water due to _______ deposition in cell wall.
Answer : Phellem/cork , suberin
52. The enteronephric nephridia of earthworm are mainly concerned with ______________
Answer : Excretion of nitrogenus wastes
53. A mature sieve element possesses a peripheral cytoplasm and a large _______ but lacks a _______
Answer : Vacuole, , Nucleus
54. List of some of the structural part is given below :Pericycle, Pith vascular bundles and medullary rays Which is not a part of stele in the primary internal structure of dicotyledonae and monocotyledonae roots.
Answer : Medullary rays
55. Which xylem element store food material in the form of starch or fats and other substances like tannin?
Answer : Xylem Parenchyma
56. Phellem, phellogen and _______ are collectivety termed as _______
Answer : Phelloderrn or secondary cortex Periderm
57. Phloem elements which are long, tube-like structures, arranged longitudinally and are associated with the companion cells.
Answer : Sieve tube elements.
58. In dicot stem the cells of carnbium present between primary xylem and primary phloem is the _______ cambium.
Answer : Intra fascicular,
59. The term meristem is derived from _______ word meristos, which means _______
Answer : Greek , Divided
60. The _______ venation in _______ leaves is reflected in the near similar sizes of vascular bundles (except in main veins) as seen in vertical section of the leaves.
Answer : Parallel,Monocot
61. In dicotyledonae stem, which layer is also termed as starch sheath?
Answer : Endodermis
62. Permanent tissues which are made up of more than one type of cells and these cells work together as a unit
Answer : Complex tissues
Answer : Lignified, B-Tapering
42. On the basis of variation in form, structure and development sclerenchyma cells are of how many types ?
Answer : Two
43. The meristem that occurs in the mature region of roots and shoots of many plants particularly those that produce woody axis and appear later than primary meristem is called.
Answer : Secondary meristem
44. The structure(s) which is derived from shoot apical meristem and present in axil (s) of leaf (leaves) and are capable of forming a branch or a flower, called _______ .
Answer : Axillary bud
45. Which type of vascular bundles are found in roots?
Answer : Radial
46. At some places, the cambium forms a narrow bands of _______ which passes through the secondary xylem and the secondary phloem in the radial directions. These are the _______
Answer : Parenchyma, Secondary Medullary rays
47. Which type of sclerenchyma cells are found in the fruit wall of nuts, pulp of fruits like guava, pear and sapota, seed coats of legumes and leaves of tea.
Answer : Sclereids
48. Which simple permanent tissue forms the major component with in plant organs ?
Answer : Parenchyma
49. Phloem fibre are made up of _______ cells. These are generally absent in the _______
Answer : Sclerenchymatous, Primary Phloem
50. Which simple tissue performs various functions like photosynthesis secretion and storage ?
Answer : Parenchyma
51. _______ is impervious to water due to _______ deposition in cell wall.
Answer : Phellem/cork , suberin
52. The enteronephric nephridia of earthworm are mainly concerned with ______________
Answer : Excretion of nitrogenus wastes
53. A mature sieve element possesses a peripheral cytoplasm and a large _______ but lacks a _______
Answer : Vacuole, , Nucleus
54. List of some of the structural part is given below :Pericycle, Pith vascular bundles and medullary rays Which is not a part of stele in the primary internal structure of dicotyledonae and monocotyledonae roots.
Answer : Medullary rays
55. Which xylem element store food material in the form of starch or fats and other substances like tannin?
Answer : Xylem Parenchyma
56. Phellem, phellogen and _______ are collectivety termed as _______
Answer : Phelloderrn or secondary cortex Periderm
57. Phloem elements which are long, tube-like structures, arranged longitudinally and are associated with the companion cells.
Answer : Sieve tube elements.
58. In dicot stem the cells of carnbium present between primary xylem and primary phloem is the _______ cambium.
Answer : Intra fascicular,
59. The term meristem is derived from _______ word meristos, which means _______
Answer : Greek , Divided
60. The _______ venation in _______ leaves is reflected in the near similar sizes of vascular bundles (except in main veins) as seen in vertical section of the leaves.
Answer : Parallel,Monocot
61. In dicotyledonae stem, which layer is also termed as starch sheath?
Answer : Endodermis
62. Permanent tissues which are made up of more than one type of cells and these cells work together as a unit
Answer : Complex tissues