teak
mango
pine
palm
C. pine
Sap wood
Heart wood
Spring wood
Autumn wood
collenchyma
sclerenchyma
xylem
meristem
vessels
xylem parenchyma
sieve tubes
tracheids
pores on lateral walls.
presence of p-protein.
enucleate condition.
thick secondary walls.
endarch
exarch
radial
closed
Lateral meristem
Intercalary meristem
Primary meristem
Apical meristem
Where companion cells helps in maintaining the pressure gradient in the sieve tubes.
Where plants absorb water through the roots and then give off water vapor through pores in their leaves.
Where activity of cork cambium builds pressure on the remaining layers peripheral to phellogen and ultimately these layers dies and slough off.
None of the above
soil is sandy.
there is climatic variation.
there is no marked climatic variation.
there is enough moisture in the atmosphere.
the parts of secondary xylem and phloem.
the parts of pericycle.
lateral meristems.
apical meristems.
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
simple pits on their radial walls.
bordered pits on their lateral walls.
simple and bordered pits on their end walls.
simple perforation on their end walls.
Angiosperms
Gymnosperms
Pteridophytes
Bryophytes
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
With the help of bulliform cells.
With the help of casparian strips.
With the help of vascular bundles.
With the help of stomatal apparatus.
live, without
dead, with
live, with
dead, without
cork cambium
vascular cambium
endodermis
both (a) & (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
lateral meristem
axillary bud
cork cambium
fascicular cambium
photosynthesis.
to protect the plant.
to anchor the plant.
water and sugar conduction.
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
centre; periphery
periphery; centre
periphery; periphery
centre; centre
cytoskeleton.
mitochondria.
endoplasmic reticulum.
chloroplasts.
A Tracheid, B Vessel, C Xylem
A Vessel, B Tracheild, C Phloem
A Fibre, B Tracheid, C Bark
A Fibre, B Sclereid, C Casparian strips
A Epidermis, B Hypodermis, C Vascular bundles, D Phloem, E Xylem, F Ground tissue
A Cuticle, B Epidermis, C Sclerenchymatous sheath, D Sclerenchymatous hypodermis, E Parenchymatous sheath, F Phloem
A Cuticle, B Epidermis, C Sclerenchymatous hypodermis, D Sclerenchymatous sheath, E Parenchymatous sheath, F Phloem
A Cuticle, B Epidermis, C Sclerenchymatous hypodermis, D Sclerenchymatous sheath, E Parenchymatous sheath, F Protoxylem
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
roots, stems, leaves
stems, roots, leaves
leaves, stems, roots
leaves, stems, leaves
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
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.
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
(i) and (iii)
(i) and (ii)
(iii) and (iv)
(i) and (iv)