cytoskeleton.
mitochondria.
endoplasmic reticulum.
chloroplasts.
D. chloroplasts.
transpiration
guttation
gaseous exchange
both (a) & (c)
cork and cork cambium,
cork cambium and cork,
secondary cortex and cork,
cork and secondary cortex,
photosynthesis.
to protect the plant.
to anchor the plant.
water and sugar conduction.
cambium
phloem fibres
thick-walled tracheids
xylem fibres
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. 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
soil is sandy.
there is climatic variation.
there is no marked climatic variation.
there is enough moisture in the atmosphere.
origin
function
position
development
(iii) and (iv)
(i) and (ii)
(ii) and (iii)
(ii) and (iv)
Lateral meristem
Apical meristem
Intercalary meristem
Both
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.
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
whether the cells being able to divide or not.
position of the cells.
whether they are living or dead.
none of the above
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)
Parenchyma
Collenchyma
Sclerenchyma
Xylem parenchyma
(i) and (iv) only
(ii) and (v) only
(iii) and (iv) only
(ii), (iii) and (v) only
cork cambium
vascular cambium
endodermis
both (a) & (c)
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.
Lateral meristem
Intercalary meristem
Primary meristem
Apical meristem
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
Parenchyma
Sclerenchyma
Collenchyma
Chlorenchyma
A Root hair, B Epiblema, C Cortex, D Endodermis, E Passage cell, F Pericycle, G Pith, H Phloem, I Metaxylem.
A Root hair, B Epiblema, C Cortex, D Endodermis, E Passage cell, F Pith, G Pericycle, H Metaxylem, I Phloem.
A Root hair, B Epiblema, C Cortex, D Endodermis, E Pericycle, F Phloem, G Protoxylem, I Metaxylem
A Root hair, B Cortex, C Epiblema, D Pericycle, E Endodermis, F Pith, G Phloem, H Protoxylem, I Metaxylem
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
phloem
parenchyma
xylem
cambium
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
secondary xylem and phloem.
primary xylem and phloem.
secondary xylem only.
primary phloem and secondary xylem.
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
are surrounded by pericycle but not endodermis.
are capable of producing secondary xylem and phloem.
possess conjunctive tissue between xylem and phloem.
are not surrounded by pericycle.
Radial; Conjoint closed; Conjoint open
Conjoint closed; Conjoint open; Radial
Conjoint open; Conjoint closed; Radial
Bicollateral; Concentric; Radial