BIOLOGY PLANT HISTOLOGY AND ANATOMYkea.kar.nic.in/vikasana/biology_2013/bio_c8.pdf · 2013. 4....
Transcript of BIOLOGY PLANT HISTOLOGY AND ANATOMYkea.kar.nic.in/vikasana/biology_2013/bio_c8.pdf · 2013. 4....
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BIOLOGY
PLANT HISTOLOGY AND ANATOMY
• Histology study of tissues.
• Types of tissues:
–Meristematic tissues: Types
based
• position-
• Origin-
• Function-
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Permanent tissues
• Simple permanent tissues:-
–Parenchyma:- Aerenchyma,
Chlorenchyma,prosenchyma
–Collenchyma:- Angular,
Lamellar & Lacunar
–Sclerenchyma:-
• Fibres
• sclerids--
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Complex permanent tissues
• Xylem:-
•Tracheids
•Tracheae
•Xylem
fibres
•Xylem
parenchyma
• Phloem:-
• Sieve
elements
• Companion
cell
• Phloem
parenchyma
• Phloem fibres
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Vascular bundles
• Radial
• Conjoint:-
•Collateral
•Bicollateral
•Concentric:- Hadrocentric
Leptocentric
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secondary growth in dicot stem
• Stelar secondary growth
• Cortical secondary growth
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Q. Identify the heterogenous
permanent tissue from the following
1. Xylem
2. Parenchyma
3. Collenchyma
4. Cambium
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Q. Length of bamboo stem
internodes increases due to the
activity of
1. Apical meristem
2. Intercalary meristem
3. Lateral meristem
4. Intra fascicular cambium
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Q. The following tissue component is
used in the manufacture of rope.
1. Sclereids
2. Fibres
3. Sieve tubes
4. Tracheae
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Q. The following are the sister
cells of phloem
1. Phloem parenchyma & sieve tube
2. Sieve tube & phloem fibre
3. Companion cell & Phloem fibre
4. Companion cell & Sieve tube
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Q. In vascular plants, tissue
differentiation occurs in the following
manner 1. Procambium – phloem – xylem
2. Xylem -- Procambium – phloem
3. Procambium – xylem – phloem
4. Phloem -- Procambium – xylem
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Q.The trees of sea shore do not
posses markable spring & autumn wood because there is
1. Enough moisture
2. Sandy soil
3. High humidity
4. Very little climatic variation
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Q. 100 years old tree with well
marked annual rings in its trunk shows
1. Same number of rings from base to its
apex
2. 50 rings at its base & 25 rings near
the tip
3. 100 rings at its base & 25 rings near
the tip
4. 100 rings at base & uniform
decreasing no. of rings towards its tip
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Secondary growth in dicot stem
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Q.Thick cuticle ,multilayered epidermis,
sunken stomata are features of
1. Xerophytes
2. Hydrophytes
3. Epiphytes
4. Halophytes
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Q. Maize leaves exhibit inrolling of
leaves during dry seasons due to
. 1. Presence of bulliform cells
2. Presence of stomata on upper
epidermis
3. Presence of cuticle
4. They are monocot plant
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Q. Tyloses are
1.Extensions of xylem parenchyma
into tracheae
2. Depositions of sieve plates
3. Extensions of companion cells
into sieve tubes
4. Extensions of companion cell
into tracheae
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Tyloses
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Q. The collenchyma cells with more thickened secondary walls at the corners
1.Lamellar collenchyma
2. Lacunar collenchyma
3. Angular collenchyma
4. Complex collenchyma
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Q. Differentiation of secondary meristem tissue is called
1. Differentiation
2. De differentiation
3. Re differentiation
4. Cell division
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Q. Commercially important cotton fibers are
1. Woody fibres
2. Bast fibres
3. Epidermal hair of seed
4. Sclerenchyma fibres
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Q. Central phloem is surrounded by
xylem concentrically in
1. Amphivasal vascular bundle
2. Amphicribal vascular bundle
3. Hadrocentric vascular bundle
4. Radial vascular bundle
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Q. Which of the following is the dead complex mechanical tissue element
1. Parenchyma
2. Sclerenchyma
3. Vessels
4. collenchyma
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Q. Who is the father of plant anatomy
1. N. Grew
2. Schleiden
3. Mettenius
4. Nageli
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Q. Two adjacent vessels exchange of sap through
1. Perforated end walls
2. Pits
3. Intercellular spaces
4. Xylem parenchyma
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Q. Lenticels are 1. Scars on old stem
2. Cuticular stomata
3. Aerating pores in old stem
4. Stomata on hydrophytic plant
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Q.Exarch xylem present in
1. Leaf
2. Petiole
3. Stem
4. Roots
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Q.Parenchyma cells with large air
chambers is called
1. Collenchyma
2. Aerenchyma
3. Chlorenchyma
3. Prosenchyma
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Q.Short, varied in shape, highly lignified
& reduced lumen belongs to
1. Fibres
2. Sclereids
3. Tracheids
4. Tracheae
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Q.Name the enucleated living plant
cell
1. Sieve tube
2. Companion cell
3. Phloem parenchyma
4. Phloem fibres
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Q.Generally hypodermis is made up of
1. Parenchyma & collenchyma
2. Collenchyma & sclerenchyma
3. Parenchyma & sclerenchyma
4. Sclerenchyma
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Q.The position of secondary wood in
old dicot stem is
1. Central sapwood
2. Outer heartwood
3. Central heart wood
4. Central bark
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Q.Cork cambium is an example for
1. Intercalary meristem
2. Lateral meristem
3. Apical meristem
4. Permanent tissue
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Q.Xylary elements having vessels with
wider cavities are formed from vascular
cambium called
1. Autumn wood
2. Spring wood
3. Sap wood
4. Bark
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Q.Which of the following is not a
epidermal system
1. Stomata
2. Trichome
3. Guard cells
4. Sclerenchyma
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Q.Parenchyma cells present
between xylem & phloem called
1. Pith
2. Conjuctive tissue
3. Medulary rays
4. Hypodermis
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Q.Which is immediate product of
cell division by a meristem 1. Parenchyma
2. Collenchyma
3. Sclerenchyma
4. Xylem
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Q.The cell wall of parenchyma &
collenchyma made up of
1. Suberin & lignin
2. Cellulose & pectin
3. Pectin & lignin
4. Cutin & liginin
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Q.A Turgid parenchyma can
function as one of the following
1. Photosynthetic
2. Supporting
3. Buoyancy
4. Secretory
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Q.Collenchyma cells differ from
parenchyma in respect of
1. Position in the plant body
2. Absence of nuclei
3. Shape
4. Thickening
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Tracheids are generally present in
1. Monocot
2. Dicot
3. Bryophytes
4. Gymnosperms
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Elongated ligified cells with out
tapering ends are 1. Vessels
2. Tracheids
3. Collenchyma
4. Sclereids
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Q.Casparian thickening occurs in
1. Epidermis
2. Endodermis
3. Ground tissue
4. Pericycle
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Q.Eustele is characteristic of
1. Monocot stem
2. Monocot leaf
3. Dicot root
4. Dicot stem
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Q.Sclerenchyma bundle sheath
extension occurs in 1. Monocot root
2. Monocot leaf
3. Dicot root
4. Dicot leaf
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Q.Phelloderm & Phellem formed
from 1. Vascular cambium
2. Phellogen
3. Intrafascicular cambium
4. Interfascicular cambium
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Q.In an unfavourable season like winter, the sieve pore often closed by the deposition of
1. Cellulose
2. Pectin
3. Callose
4. Lignin
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Q.Piliferous layer present in
1. Root
2. Stem
3. Leaf
4. Flower
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Q.The medullary ray cells
present between
1. Cortex and stele
2. Epidermis and Cortex
3. Two vascular bundles
4.Vascular bundle & pith
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Q.Lateral roots develop from
1. Endodermis
2. Epidermis
3. Cambium
4. Pericycle