Q.1
Vascular bundles surrounded by sclerenchymatous sheath occur in ... ..[ RPMT 1991]
  • a) Monocot stem
  • b) Dicot stem and leaf
  • c) Monocot root
  • d) Dicot root
Q.2
In dicot root, the outermost layer of tubular living cells is ... ... [ Tamil nadu 2001]
  • a) Rhizodermis
  • b) Epidermis
  • c) hypodermis
  • d) Exodermis
Q.3
Companion cells are associated with ... .. [ MPPMT 2000]
  • a) Xylem
  • b) Cambium
  • c) Sieve tubes
  • d) Collenchyma
Q.4
What differentiates a dicot leaf from monocot leaf ... ..[ BHU 2008]
  • a) Stomata only on upper side
  • b) Differentiation of palisade and spongy parenchyma
  • c) Parallel venation
  • d) Stomata on upper and lower sides
Q.5
Shoot apical meristem occurs over the tip of ... ...[ Odisha 2008]
  • a) Root
  • b) Radicle
  • c) Plumule
  • d) Mesocotyl
Q.6
One growth ring consists of ... ... [ KCET 2002]
  • a) Springwood and early wood
  • b) Only spring wood
  • c) Only autumn wood
  • d) Spring wood and autumn wood
Q.7
Bordered pits are more common in ... .... [ CPMT 1993]
  • a) Monocots
  • b) Dicots
  • c) Gymnosperms
  • d) All the above
Q.8
Innermost layer of cortex is .. ... [ Wardha 2001]
  • a) Endodermis
  • b) Epidermis
  • c) Exodermis
  • d) Hypodermis
Q.9
Function of companion cells is ... ... [ CBSE 2011]
  • a) Providing energy to sieve elements for active transport
  • b) Loading sucrose into sieve elements by passive transport
  • c) Providing water to phloem
  • d) Loading sucrose into sieve elements
Q.10
Quiescent centre occurs in .. .. [ RPMT 1988]
  • a) Root cap
  • b) Vegetative shoot apex
  • c) Reproductive shoot apex
  • d) Root apex
Q.11
Cork cells are impervious due to deposit of ... .. [ AFMC 1985]
  • a) Cutin
  • b) Lignin
  • c) Suberin
  • d) Chitin
Q.12
The waxy substance associated with the walls of cork or the walls of cork cells are mostly impregnated with ... ..[ MPPMT 2000]
  • a) Cutin
  • b) Suberin
  • c) Lignin
  • d) Hemicellulose
Q.13
Vascular cambium produces ... .. [ RPMT 2006]
  • a) Secondary xylem and secondary phloem
  • b) Secondary xylem only
  • c) Secondary phloem only
  • d) Primary
Q.14
Closed vascular bundles lack ... .. [ CBSE 2012]
  • a) Ground tissue
  • b) Conjunctive tissue
  • c) Cambium
  • d) Pith
Q.15
Secondary xylem is ... ... [ JKCMEE 2002]
  • a) Bast
  • b) Bark
  • c) Cork
  • d) Wood
Q.16
Vessels occur in .. .. [ CBSE 2002]
  • a) All angiosperms all gymnosperms and some pteridophytes
  • b)All angiosperms and some gymnosperms
  • c) Most angiosperms, a few gymnosperms and pteridophytes
  • d) All pteridophytes
Q.17
Monocot root differs from dicot root in having ... .. [ RPMT 2005]
  • a) Open vascular bundles
  • b) Scattered vascular bundles
  • c) Well developed pith
  • d) Radially arranged vascular bundles
Q.18
Sunken stomata occur in ... .. [ CBSE 2001]
  • a) Mango
  • b) guava
  • c) hydrilla
  • d) Nerium
Q.19
Cambial cells are formed from ... [ Har PMT 2001]
  • a) Promeristem
  • b) Premeristem
  • c) Parenchyma
  • d) All the above
Q.20
Annular and spirally thickened conducting elements generally develop in protoxylem when root or stem is ... .. [ CBSE 2009]
  • a) Widening
  • b) Differentiating
  • c) Maturing
  • d) Elongating
Q.21
Fascicular cambium of dicot stems is ... .. [ CPMT 1990]
  • a) Apical meristem
  • b) Primary meristem
  • c) Secondary meristem
  • d) Intercalary meristem
Q.22
(a) In a vessel septa between adjacent cells get dissolved (b) Companion cells are components of phloem What is correct about these statements ... .. [ JKCMEE 2003]
  • a) Both are wrong
  • b) a is wrong but b is correct
  • c) a is wrong but b is correct
  • d) Both are correct
Q.23
Vascular bundles of Cucurbita stem are ... .. [ CPMT 1996]
  • a) Collateral
  • b) Bicollateral
  • c) Radial
  • d) Concentric
Q.24
In autumn and winter, cambium produces ... .. [ Odisha 2007]
  • a) Sap wood
  • b) Heart wood
  • c) Early wood
  • d) Late wood
Q.25
Bundle sheath is absent around vascular bundles of ... .. [ JIPMER 1999]
  • a) Dicot stem
  • b) Monocot stem
  • c) Dicot leaf
  • d) Monocot leaf
Q.26
Collenchyma produces ... .. [ BHU 1996]
  • a) Epidermis
  • b) Hypodermis
  • c) Inner cortex
  • d) Phloem
Q.27
Phellogen is also known as ... ... [ BHU 2007]
  • a) Vascular cambium
  • b) Periderm
  • c) Cork cambium
  • d) Apical meristem
Q.28
In roots, lateral branches grow from ... .. [ AIIMS 1999]
  • a) Epiblema
  • b) Pericycle
  • c) Cortex
  • d) Endodermis
Q.29
Lenticels do not occur on ... ... [ RPMT 1992]
  • a) Fruit
  • b) Root
  • c) Stem
  • d) Leaf
Q.30
Which one contains chloroplasts ... .... [ CMC 2002]
  • a) Collenchyma and sclerenchyma
  • b) Sclerenchyma and parenchyma
  • c) Chlorenchyma and sclerenchyma
  • d) Chlorenchyma and parenchyma
Q.31
Cambium produces growth in ... .. [ RPMT 2005]
  • a) Branches
  • b) Girth
  • c) Pith
  • d) Cortex
Q.32
Which one is responsible for radial conduction of water and food in woody stem? ... .. [ AMU 1997]
  • a) Vessels
  • b) Vascular rays
  • c) Endodermis
  • d) Xylem fibres
Q.33
Tunica corpus theory was proposed by ... .. [ JIPMER 1999]
  • a) Schmidth
  • b) Nageli
  • c) Hanstein
  • d) Hofmeister
Q.34
Phloem tissue of angiosperms differs from that of gymnosperms in having ... .. [ Pb PMT 1997]
  • a) Companion cells
  • b) Sieve cells
  • c) Sieve plates
  • d) None of the above
Q.35
Periderm includes ... ... [ MPPMT 2010]
  • a) Cork cambium (phellogen), cork (phellem) and secondary cortex (phelloderm)
  • b) Cork cambium and cork
  • c) Cork
  • d) Cork and secondary phloem
Q.36
Complementary cells occur in ... .. [ WB 2012]
  • a) Pericycle
  • b) Pith
  • c) Lenticels
  • d) Endodermis
Q.37
Vascular bundle having cambium is ... ..[ RPMT 1990]
  • a) Open
  • b) Closed
  • c) Collateral
  • d) Conjoint
Q.38
Three radial vascular bundles are present in ... .. [ RPMT 1998]
  • a) Monocot stem
  • b) Monocot root
  • c) Dicot stem
  • d) Dicot root
Q.39
Find the incorrect statement .. .. [ AMU 2010]
  • a) Root hairs are unicellular elongations
  • b) Trichome are unicellular elongations
  • c) Trichome are multicellular elongations
  • d) Root hairs absorb water and minerals
Q.40
A.T.S. of stem is stained first with safranin and then fast green. What would be the colour of phloem? [ AIIMS 2000 ]
  • a) Red
  • b) Green
  • c) Orange
  • d) Purple
Q.41
Tyloses occur in ... ... [ har PMT 2001]
  • a) Autumn wood
  • b) Spring wood
  • c) Heart wood
  • d) Sap wood
Q.42
Lateral meristems are ... .. [ KCET 2010]
  • a) Phellogen and procambium
  • b) Procambium and dermatogen
  • c) Fascicular cambium and procambium
  • d) Fascicular cambium and cork cambium
Q.43
Vascular bundles occur in a leaf ... .. [ CMC 2003]
  • a) Entire lamina
  • b) Palisade parenchyma
  • c) Spongy parenchyma
  • d) Veins and veinlets
Q.44
A component of xylem is ... .. [ MPPMT 1999]
  • a) Sieve tube
  • b) Medullary ray
  • c) Sclereids
  • d) Tracheid
Q.45
Procambium forms ... .. [ CBSE 1994]
  • a) Only primary vascular bundles
  • b) Only vascular cambium
  • c) Only cork cambium
  • d) Primary vascular bundles and vascular cambium
Q.46
Major difference between phloem of angiosperms and gymnosperms is .. .. [ RPMT 2002]
  • a) Sieve tube
  • b) Medullary rays
  • c) Bast fibre
  • d) Companion cells
Q.47
A narrow layer of thin-walled cells found between phloem/bark and wood of a dicot is ... ... [ JIPMER 1996]
  • a) Cork cambium
  • b) Vascular cambium
  • c) Endodermis
  • d) Pericycle
Q.48
Youngest layer of secondary xylem in wood of dicot stem is located just ... .. [ BHU 2000 ]
  • a) Outside the cambium
  • b) Inside the cambium
  • c) Outside the pith
  • d) inside the cortex
Q.49
A leptocentric or amphivasal vascular bundle has ... .. [ RPT 1998]
  • a) Phloem flanked by xylem on interior and exterior sides only
  • b) Xylem flanked by phloem on interior and exterior sides only
  • c) Xylem surrounded by phloem
  • d) Phloem surrounded completely by xylem
Q.50
In which of the following sclerenchyma cells, the secondary cell walls are present ... ..
  • a) The cells containing cytoplasm only
  • b) The cells with protoplast
  • c) Cell which are living at maturity
  • d) Cell which are non-living at maturity
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