371.
Which of the following tissues originate from ray initial of cambium
A
Tracheids & vassals
B
Sieve tubes & companion cells
C
Xylem m & phloem fibres
D
Radial rows of parenchyma
Answer :
Radial rows of parenchyma
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372.
Long pointed sclerenchyma cells are
A
Fibres
B
Tracheae
C
Wood parenchyma
D
Sclereids
Answer :
Fibres
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373.
Ectophloic siphonstele is found in
A
Osmunda and Equisetum
B
Adiantum and Cucurbitaceae
C
Marsilea and Botrychium
D
Dicksonia and Maiden hair fern
Answer :
Osmunda and Equisetum
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374.
There is no result of 'Girdling Experiment' in monocot plants, due to
A
Presence of wax layer on the surface of its stem
B
Stem is comparatively thin
C
Hloem in inside xylem
D
Vascular bundles are not in specific position
Answer :
Vascular bundles are not in specific position
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375.
A layer of suberised cells below the epidermis of root of certain plants is
A
Second epidermis
B
Hypodermis
C
Exodermis
D
Endodermis
Answer :
Exodermis
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376.
Three or less than six radial vascular bundles are present in
A
Monocot stem
B
Dicot stem
C
Monocot root
D
Dicot Root
Answer :
Dicot Root
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377.
Bordered pits are found in
A
Sieve cells
B
Vessel wall
C
Companion cells
D
Sieve tube wall
Answer :
Vessel wall
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378.
Collenchyma is found in
A
Herbaceous climbers
B
Hydrophytes
C
Woody climbers
D
Xerophytes
Answer :
Herbaceous climbers
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379.
Waxy coating on epidermis of young stem is
A
Suberin
B
Peridem
C
Phellem
D
Cuticle
Answer :
Cuticle
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380.
The resin duct of Gymnosperm is an example of
A
Intracellular space
B
Schizogenous cavity
C
Lysigenous cavity
D
Vacuole containing stored material
Answer :
Schizogenous cavity
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