A Vascular structure, B Protoderm, C Root cap
A Cortex, B Endodermis, C Root cap
A Cortex, B Protoderm, C Root cap
A Tunica, B Protoderm, C Root cap
C. A Cortex, B Protoderm, C Root cap
transpiration
guttation
gaseous exchange
both (a) & (c)
it gives rise to lateral branches.
it causes increase in girth.
it increases height and diameter of a plant.
it adds bulk to a plant.
Lenticels occur in most woody trees.
Sclerenchymatous cells are usually present in cortex.
The vascular tissue system is divided into three main zones- cortex, pericycle and pith.
The conjoint vascular bundles usually have the xylem located only on the outer side of the phloem.
bordered pits.
no ends walls.
broader lumen and perforated cross walls.
no protoplasm.
whether the cells being able to divide or not.
position of the cells.
whether they are living or dead.
none of the above
cork and cork cambium,
cork cambium and cork,
secondary cortex and cork,
cork and secondary cortex,
collenchyma
sclerenchyma
xylem
meristem
lateral meristem
axillary bud
cork cambium
fascicular cambium
Column-I | Column-II |
---|---|
(Term) | (Functions) |
A. Meristem | I. Photosynthesis, storage |
B. Parenchyma | II. Mechanical support |
C. Collenchyma | III. Actively dividing cells |
D. Sclerenchyma | IV. Stomata |
E. Epidermal tissue | V. Sclereids |
A I, B III, C V, D II, E IV
A III, B I, C II, D V, E IV
A II, B IV, C V, D I, E III
A V, B IV, C III, D II, E I
A Primary phloem, B Vascular cambium, C Secondary phloem, D Primary xylem
A Secondary phloem, B Vascular cambium, C Primary phloem, D Primary xylem
A Primary phloem, B Primary xylem, C Secondary phloem, D Vascular cambium
A Secondary phloem, B Primary xylem, C Primary phloem, D Vascular cambium
show alternate rings of xylem and sclerenchyma.
have only conjunctive tissue and phloem is formed by the activity of cambium.
show distinct annual rings.
not show distinct annual rings.
secondary xylem and phloem.
primary xylem and phloem.
secondary xylem only.
primary phloem and secondary xylem.
conjoint, collateral, open polyarch vascular bundle.
exodermis, endarch, tetrarch closed vascular bundles.
suberized exodermis, casparian strip, passage cells, cambium.
suberized exodermis, polyarch xylem, pith.
size of leaf lamina at the node below each internode
intercalary meristem
shoot apical meristem
position of axillary buds
A
B
C
None of the above
soil is sandy.
there is climatic variation.
there is no marked climatic variation.
there is enough moisture in the atmosphere.
Only (i)
Only (iv)
Only (iii)
Only (v)
A Epidermal cells; B Subsidiary cells; C chloroplast
A Guard cells; B Subsidiary cells; C Stomatal pore
A Guard cells; B Epidermal cells; C Guard cells
A Epidermal cells; B Subsidiary cells; C Guard cells
Lateral meristem
Intercalary meristem
Primary meristem
Apical meristem
sclerenchyma
parenchyma
collenchyma
aerenchyma
Column-I | Column-II |
---|---|
(Terms) | (Features) |
A. Fibres | (i) Cells are living and thin walled with cellulosic cell wall, store food materials in the form of starch or fat |
B. Sclereids | (ii) Main water conductive cells of the pteridophytes and the gymnosperms |
C. Tracheids | (iii) Thick walled, elongated and pointed cells, generally occurring in groups |
D. Vessels | (iv) Long cylindrical tube like structure and cells are devoid of protoplasm. Characteristic feature of angiosperms |
E. Xylem parenchyma | (v) Reduced form of sclerenchyma cells with highly thickened lignified cellular walls that form small bundles of durable layers of tissue in most plants. |
A - (i), B - (ii), C - (iii), D - (iv), E - (v)
A - (iii), B - (v), C - (ii), D - (iv), E - (i)
A - (iii), B - (i), C - (v), D - (ii), E - (iv)
A - (v), B - (iv), C - (iii), D - (i), E - (ii)
endarch
exarch
radial
closed
A Leaf primordium, B Shoot apical meristem, C Axillary bud
A Leaf primordium, B Shoot apical meristem, C Apical bud
A Root hair primordium, B Root apical meristem, C Axillary bud
A Root hair primordium, B Root apical meristem, C Terminal bud
sclerenchymatous
chlorenchymatous
parenchymatous
aerenchymatous
In dicots vascular bundles are arranged in a ring.
Dicots have cambium for secondary growth.
In dicots vessels with elements are arranged end to end.
Cork cambium is present in dicots
A Vascular structure, B Protoderm, C Root cap
A Cortex, B Endodermis, C Root cap
A Cortex, B Protoderm, C Root cap
A Tunica, B Protoderm, C Root cap
A Parenchyma, Photosynthesis, Storage and Secretion.
B Sclerenchyma Scleriods; Transport food material
C Collenchyma; Provides mechanical support to organs.
D Sclerenchyma Fibres; Provide Mechanical support to the growing parts of the plant such as young stem and petiole of a leaf.
parenchyma
sclerenchyma
collenchyma
aerenchyma
the parts of secondary xylem and phloem.
the parts of pericycle.
lateral meristems.
apical meristems.
cork cambium
vascular cambium
endodermis
both (a) & (c)