C.
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
Radial; Conjoint closed; Conjoint open
Conjoint closed; Conjoint open; Radial
Conjoint open; Conjoint closed; Radial
Bicollateral; Concentric; Radial
teak
mango
pine
palm
conjoint, collateral, open polyarch vascular bundle.
exodermis, endarch, tetrarch closed vascular bundles.
suberized exodermis, casparian strip, passage cells, cambium.
suberized exodermis, polyarch xylem, pith.
Parenchyma
Sclerenchyma
Collenchyma
Chlorenchyma
Column-I | Column-II |
---|---|
A. Lateral meristem | (i) Fascicular vascular cambium, interfascicular cambium and cork cambium. |
B. Apical meristem | (ii) Produces dermal tissue, ground tissues and vascular tissue. |
C. Bast fibres | (iii) Generally absent in primary phloem but found in secondary phloem. |
D. Sap wood | (iv) Involved in the conduction of water and minerals from the root to leaf. |
A - (i), B - (ii), C - (iii), D - (iv)
A - (iii), B - (i), C - (ii), D - (iv)
A - (i), B - (iv), C - (iii), D - (ii)
A - (ii), B - (iv), C - (iii), D - (i)
Column-I | Column-II |
---|---|
A. Cuticle | I. Guard cells |
B. Bulliform cells | II. Outer layer |
C. Stomata | III. Waxy layer |
D. Epidermis | IV. Empty colourless cell |
A III, B IV, C I, D II
A I, B II, C III, D IV
A III, B II, C IV, D I
A III, B II, C I, D IV
Column-I | Column-II |
---|---|
A. Xylem vessels | I. Store food materials |
B. Xylem tracheids | II. Obliterated lumen |
C. Xylem fibres | III. Perforated plates |
D. Xylem parenchyma | IV. Chisel-like ends |
A IV; B III; C II; D I
A III; B II; C I; D IV
A II; B I; C IV; D III
A III; B IV; C II; D I
A Epidermis, B Spongy mesophyll, C Palisade mesophyll, D Stomata, E Guard cells, F Phloem, G Metaxylem, H Protoxylem
A Epidermis, B Palisade mesophyll, C Spongy mesophyll, D Sub-stomatal cavity, E Stoma, F Phloem, G Xylem, H Bundle sheath
A Epidermis, B Palisade mesophyll, C Spongy mesophyll, D Stomata, E Guard cells, F Epidermis, G Xylem, H Phloem
A Epidermis, C Palisade mesophyll, C Spongy mesophyll, D Stomata, E Guard cells, F Phloem, G Metaxylem, H Protoxylem
periderm
epidermis
cuticle
leaves
secondary xylem and phloem.
primary xylem and phloem.
secondary xylem only.
primary phloem and secondary xylem.
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
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.
With the help of bulliform cells.
With the help of casparian strips.
With the help of vascular bundles.
With the help of stomatal apparatus.
(iii) and (iv)
(i) and (ii)
(ii) and (iii)
(ii) and (iv)
centre; periphery
periphery; centre
periphery; periphery
centre; centre
origin
function
position
development
pores on lateral walls.
presence of p-protein.
enucleate condition.
thick secondary walls.
whether the cells being able to divide or not.
position of the cells.
whether they are living or dead.
none of the above
vessels
xylem parenchyma
sieve tubes
tracheids
similar in origin, but dissimilar in form and function.
dissimilar in origin, form and function.
dissimilar in origin, but similar in form and function.
similar in origin, form and function.
A Epiblema, B Root hair, C Cortex, D Endodermis, E Pith, F Pericycle
A Cortex, B Pith, C Epiblema, D Endodermis, E Root hair, F Pericycle
A Epiblema, B Endodermis, C Cortex, D Root hair, E Pith, F Pericycle
A Cortex, B Epiblema, C Pith, D Endodermis, E Root hair, F Pericycle
(i) and (iv) only
(ii) and (v) only
(iii) and (iv) only
(ii), (iii) and (v) only
sapwood increases.
heartwood increase.
both sapwood and heartwood increases.
both sapwood and heartwood remains the same.
transpiration
guttation
gaseous exchange
both (a) & (c)
A Adaxial epidermis, B Xylem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Stoma, G Phloem
A Adaxial epidermis, B Abaxial epidermis, C Xylem, D Sub-stomatal cavity, E Stoma, F Mesophyll, G Phloem
A Adaxial epidermis, B Phloem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Xylem, G Stoma
A Adaxial epidermis, B Xylem, C Stoma, D Substomatal cavity, E Abaxial epidermis, F Phloem, G Mesophyll
A Epidermis, B Secondary cortex, C Cork cambium, D Cork
A Pore, B Cork cambium, C Secondary cortex, D Cork
A Pore, B Cork, C Complimentary cells, D Cork cambium
A Epidermis, B Complimentary cells, C Cork cambium, D Secondary cortex
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.