A Phellem, B Phellogen, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
A Phellem, B Phellogen, C Medullary rays, D Secondary phloem, E Secondary xylem, F Cambium ring
A Phellogen, B Phellem, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
A Phellem, B Phellogen, C Cambium ring, D Secondary xylem, E Secondary phloem, F Medullary rays
A. A Phellem, B Phellogen, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
centre; periphery
periphery; centre
periphery; periphery
centre; centre
(iii) and (iv)
(i) and (ii)
(ii) and (iii)
(ii) and (iv)
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
teak
mango
pine
palm
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
parenchyma
sclerenchyma
collenchyma
aerenchyma
roots, stems, leaves
stems, roots, leaves
leaves, stems, roots
leaves, stems, leaves
Column-I | Column-II |
---|---|
(Structure) | (Function) |
A. Stomata | I. Protection of stem |
B. Bark | II. Plant movement |
C. Cambium | III. Secondary growth |
D. Cuticle | IV. Transpiration |
V. Prevent the loss of water | ... |
A V, B III, C I, D IV
A I, B IV, C V, D III
A II, B IV, C I, D III
A IV, B I, C III, D V
A Epidermis, B Epidermal hair, C Parenchyma, D Starch sheath, E Hypodermis (collenchyma), F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
A Epidermal hair, B Epidermis, C Hypodermis (collenchyma), D Parenchyma, E Endoderm is (Starch Sheath), F Pericycle, G Vascular bundle, H Medullary rays, I Medulla or pith
A Epidermal hair, B Epidermis, C Hypodermis (collenchyma), D Starch sheath, E Parenchyma, F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
A Epidermal hair, B Epidermis, C Parenchyma, D Hypodermis (collenchyma), E Starch sheath, F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
A. Spring wood or | I. Lighter in colour early wood |
---|---|
B. Autumn wood or | II. High density late wood |
.. | III. Low density |
.. | IV. Darker in colour |
.. | V. Larger number of xylem elements |
.. | VI. Vessels with wider cavity |
.. | VII. Lesser number of xylem elements |
.. | VIII. Vessels with small cavity |
A II, IV, VII, VIII; B I, III, V, VI
A I, II, VII, VIII; B III, IV, V, VI
A I, III, V, VI; B II, IV, VII, VIII
A I, III, VII, VIII; B II, IV, V, VI
phellogen
vascular cambium
phloem
xylem
photosynthesis.
to protect the plant.
to anchor the plant.
water and sugar conduction.
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)
cork and cork cambium,
cork cambium and cork,
secondary cortex and cork,
cork and secondary cortex,
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
phloem
parenchyma
xylem
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.
vessels
xylem parenchyma
sieve tubes
tracheids
With the help of bulliform cells.
With the help of casparian strips.
With the help of vascular bundles.
With the help of stomatal apparatus.
Lateral meristem
Apical meristem
Intercalary meristem
Both
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.
(i) and (iii)
(i) and (ii)
(iii) and (iv)
(i) and (iv)
functionally.
only structurally.
both structurally and functionally.
for mitosis.
Column-I | Column-II |
---|---|
A. Stele | I. Innermost layer of cortex |
B. Endodermis | II. Suberin |
C. Casparian strips | III. All the tissues exterior to vascular cambium |
D. Bark | IV. All the tissues inner to endodermis |
A IV, B I, C II, D III
A III, B II, C I, D IV
A I, B II, C III, D IV
A IV, B II, C I, D III
cytoskeleton.
mitochondria.
endoplasmic reticulum.
chloroplasts.
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
origin
function
position
development
collenchyma
sclerenchyma
xylem
meristem
Angiosperms
Gymnosperms
Pteridophytes
Bryophytes
in all the roots.
only in radicals.
only in tap roots.
only in adventitious roots.