Q.1
Fascicular, interfascicular and extrafascicular cambium together constitute ... .. [ Kerala 2005]
  • a) Ground meristem
  • b) Lateral meristem
  • c) Intercalary meristem
  • d) Primary meristem
Q.2
Root hairs develop from ... ..
  • a) Exodermis
  • b) Exodermal cells
  • c) Epidermis
  • d) Epidermal cells
Q.3
Complementary cells occur in ... ... [ Har PMT 2007]
  • a) Lenticels
  • b) Phloem
  • c) Endodermis of monocot stems
  • d) Exodermis
Q.4
Enzymes controlling metabolism in mature sieve tubes are formed on instructions from DNA of ...
  • a) Albuminous cells
  • b) Companion cells
  • c) Subsidiary cells
  • d) Phloem parenchyma
Q.5
Conjoint and closed vascular bundles with no phloem parenchyma are observed in ... ... [ AMU 2009]
  • a) Monocot stem
  • b) Dicot stem
  • c) Monocot root
  • d) Dicot root
Q.6
Lignin occurs in the cell walls of ... .. [ AMU 1998]
  • a) Phloem
  • b) Cork
  • c) Woody tissue/Xylem cells
  • d) Parenchyma/Epidermal cells
Q.7
Bordered pits are elongated transversely and arranged in vertical series. The patters is known as ... [ CET Chd 2006]
  • a) Scalariform pitting
  • b) Intervascular pitting
  • c) Reticulate thickening
  • d) Oblique pitting
Q.8
Aerenchyma is derived from ... ... [ MPPMT 1997]
  • a) Phloem
  • b) Xylem
  • c) Parenchyma
  • d) Sclerenchyma
Q.9
Monocot leaves possess ... .. [ CBSE 1990]
  • a) Intercalary meristem
  • b) Lateral meristem
  • c) Apical meristem
  • d) Mass meristem
Q.10
Vascular bundles having phloem on the periphery of both outer and inner cambium are ... ... [ DPMT 2005]
  • a) Bicollateral closed
  • b) Bicollateral open
  • c) Radial
  • d) Biradial
Q.11
Atactostele consists of vascular bundles ... ... [ Manipal 2003]
  • a) Arranged in a ring
  • b) Three in number
  • c) Scattered in ground tissue
  • d) Broken vascular bundles
Q.12
Enucleate thin walled cells with perforated septa are ... ... [ CBSE 1997]
  • a) Prosenchyma
  • b) Sieve cells
  • c) Sieve tube elements
  • d) Companion cells
Q.13
Hard lignified thick walled long and pointed cells constitute .. ... [ MPPMT 1999]
  • a) Parenchyma
  • b) Collenchyma
  • c) Sclereids
  • d) Sclerenchyma
Q.14
Which one of the following is not a lateral meristem ... ... [ CBSE 2010]
  • a) Interfascicular cambium
  • b) Phellogen
  • c) Intercalary meristem
  • d) Intrafascicular cambium
Q.15
An injured plant part is repaired with the help of ... .
  • a) Lateral meristem
  • b) Primary meristem
  • c) intercalary meristem
  • d) Apical meristem
Q.16
Collenchyma occurs in the stem and petioles of ... .. [ CBSE 1990]
  • a) Xerophytes
  • b) Monocots
  • c) Dicot herbs
  • d) Hydrophytes
Q.17
Simple sieve plate occurs in ... .. [ JKCMEE 2007]
  • a) Cucurbita
  • b) Vitis
  • c) Pyrus
  • d) Prunus
Q.18
Phloem and cambium occur on either side of xylem. This forms a vascular bundle called ... ..[ CPMT 1996]
  • a) Collateral
  • b) Radial
  • c) Bicollateral
  • d) Concentric
Q.19
Which one is not correct about heartwood ... .. [ CPMT 1994]
  • a) It is formed of living cells
  • b) It contains resin, tannins and other organic contents
  • c) It is of dark colour
  • d) It lies in the centre of trunk
Q.20
A meristem responsible for extra-stellar secondary growth in dicot stem is ... .. [ CBSE 1998]
  • a) Interfascicular cambium
  • b) Phellogen
  • c) Intrafascicular cambium
  • d) Intercalary meristem
Q.21
In dicotyledonous stem, sequence of tissues from outside to inside is ... [ AIIMS 2003]
  • a) Phellem - Pericycle - Endodermis - Phloem
  • b) Phellem - Phloem - Endodermis - Pericycle
  • c) Phellem - Endodermis - Pericycle - Phloem
  • d) Pericycle - Phellem - Endodermis - Phloem
Q.22
Root apex is subterminal because it is ... .. [ JKCMEE 1996]
  • a) Covered by root hair
  • b) Covered by root cap
  • c) Covered by epidermis
  • d) Under the soil
Q.23
Histogen theory was proposed by ... .. [ RPMT 1996]
  • a) Nageli
  • b) Schmidt
  • c) Hanstein
  • d) Wolf
Q.24
Function of vessel is ... ... [ BHU 2000]
  • a) Conduction of water and minerals
  • b) Conduction of food
  • c) Mechanical strength
  • d) All the above
Q.25
Heart wood differs from sapwood in .. ..[ CBSE 2010]
  • a) Absence of vessels and parenchyma
  • b) Having dead and non-conducting elements
  • c) Being susceptible to pest and pathogens
  • d) Presence of rays and fibres
Q.26
Vascularisation in plants occurs through ... ... [ CBSE 2000]
  • a) Differentiation of procambium followed by primary phloem and then primary xylem
  • b) Differentiation of procambium followed by development of xylem and phloem
  • c) Simultaneous differentiation of procambium, xylem and phloem
  • d) Differentiation of procambium is immediately followed by development of secondary xylem and secondary phloem
Q.27
Cell taking part in conduction of sap are ... .. [ kerala 2000 ]
  • a) Sieve tubes
  • b) Tracheae
  • c) Sieve cells
  • d) Stone cells
Q.28
Cambium ring consists of ... .
  • a) Interfascicular cambium
  • b) Intrafascicular cambium
  • c) Both a and b
  • d) Phelloderm
Q.29
Cuticle is absent in ... ... [ DPMT 2009]
  • a) Mesophytes
  • b) Young roots
  • c) Leaves
  • d) Mature stem
Q.30
Identify the plant tissue in which lignin is absent .. ...[ KCET 2005]
  • a) Collenchyma
  • b) Sclerenchyma fibres
  • c) Sclereids
  • d) Xylem tracheae
Q.31
Gymnosperm wood is soft as it .. ... [ AMU 2003]
  • a) Lacks cambium
  • b) Lacks vessels
  • c) Does not yield timber
  • d) None of the above
Q.32
In submerged hydrophytes/Vallisneria the functional stomata are found ... .. [ RPMT 1996]
  • a) On the upper leaf surface
  • b) On the lower leaf surface
  • c) Both leaf surfaces
  • d) No where on the plant
Q.33
Centripetal xylem is found in ... .. [ Manipal 2003]
  • a) Leaf
  • b) Root
  • c) Dicot stem
  • d) Monocot stem
Q.34
Cells of Grass leaves which help in minimising cuticalr transpiration are ... ..[ Odisha 2007]
  • a) Bulliform cells
  • b) Guard cells
  • c) Subsidiary cells
  • d) Endodermal cells
Q.35
Mesophyll is differentiated into palisade and spongy tissue in ... .. [ BHU 1999]
  • a) Some monocot leaves
  • b) All dorsiventral leaves
  • c) All monocot leaves
  • d) All isobilateral leaves
Q.36
The arrangement of xylem in stem is ... ... [ oDisha 2010]
  • a) Endarch
  • b) Mesarch
  • c) Exarch
  • d) Both a and b
Q.37
Which of the following meristem classification is based on position in the plant body ...[ CET Chd 2011]
  • a) Primary meristem
  • b) Intercalary meristem
  • c) Secondary meristem
  • d) Procambium meristem
Q.38
Which of the following is not correct ... .. [ AMU 2010]
  • a) Early wood is characterised by a large number of xylary elements
  • b) Late wood is characterised by a large number of xylary elements
  • c) Early wood is characterised by vessels with narrow cavities
  • d) Late wood is characterised by vessels with narrow cavity
Q.39
In a plant organ covered by periderm, the stomata are absent. Gaseous exchange occurs through ... ... [ AIIMS 2004]
  • a) Aerenchyma
  • b) Lenticels
  • c) Trichomes
  • d) Pneumatophores
Q.40
The function of vessels/xylem is to .. ... [ BHU 1995]
  • a) Translocate water and minerals
  • b) Translocate organic food
  • c) Translocate water alone
  • d) Translocate water, minerals and provide mechanical strength
Q.41
Tunica corpus theory is connected with ... .. [ CPMT 1994]
  • a) Root apex
  • b) Root cap
  • c) Shoot apex
  • d) Secondary growth
Q.42
An open collateral bundle is one in which ... .. [ BHU 1996]
  • a) Xylem and phloem are separated by cambium
  • b) Xylem and phloem lie side by side
  • c) Cambium occurs on the outside of bundle
  • d) Cambium does not occur in the bundle
Q.43
Vascular cambium forms one of the following on its inner side ... ... [ AMU 1990]
  • a) bast fibres
  • b) Sieve tubes
  • c) Wood fibres
  • d) Companion cells
Q.44
Vascular bundles are absent in ... .. [ BHU 1996]
  • a) Gymnosperms
  • b) Angiosperms
  • c) Pteridophytes
  • d) All the above
Q.45
Lysigenous cavity occurs in .. ..[ Manipal 2003]
  • a) Stem of Helianthus
  • b) Root of Helianthus
  • c) Root of Zea mays
  • d) Stem of Zea mays
Q.46
Root hairs are ... .... [ RPMT 2002 ]
  • a) Always unicellular
  • b) Sometimes unicellular
  • c) Sometimes multicellular
  • d) Always multicellular
Q.47
K. Esau who dominated the field of plant biology upto age of 99 years, contributed mainly in the field of ... .. [ AMU 2012]
  • a) Morphology of flowering plants
  • b) Anatomy of seed plants
  • c) Classification of flowering plants
  • d) Physiology of seed plants
Q.48
From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. the angiosperms have ... ..
  • a) Tracheae and sieve tubes
  • b) Tracheids, tracheae and sieve cells
  • c) Tracheae, sieve cells and sieve tubes
  • d) Tracheids, tracheae and sieve tubes
Q.49
Plant growth in length is due to activity of ... .. [ MPPMT 1998]
  • a) Apical meristem
  • b) Dermatogen
  • c) Periblem
  • d) Lateral meristem
Q.50
The bark of tree commonly comprises ... ... [ CET Chd 2006]
  • a) All the tissues outside the vascular cambium
  • b) All the tissues outside the cork cambium
  • c) Only the cork
  • d) The cork and secondary cortex
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