Q.1
In dorsiventral leaf, stomata ... .. [ kerala 2002]
  • a) Occur on both the layers of epidermis
  • b) Occur on lower epidermis
  • c) Occur in pit on the upper epidermis
  • d) Do not occur on the epidermis
Q.2
P-protein occurs in ... .. [ CPMT 2005]
  • a) Sieve tube elements
  • b) tracheids
  • c) Vessels
  • d) Phloem parenchyma
Q.3
many grass leaves are capable of folding and unfolding due to ... ...[ DPMT 2011]
  • a) Parallel veins
  • b) Isobilateral nature
  • c) Thin lamina
  • d) Bulliform cells
Q.4
Periclinal division occur in ... ..[AMU 1992]
  • a) Tangential plane
  • b) Parallel to outer wall
  • c) transverse plane
  • d) Vertical plane
Q.5
Multiple epidermis occurs in ... ... [ BHU 1996]
  • a) Cotton
  • b) Cucurbita
  • c) Palm
  • d) Nerium
Q.6
Bhojpatra is got from bark of ... ... [ BHU 1997]
  • a) Dalbergia
  • b) Cinchona
  • c) Piper
  • d) Betula
Q.7
Which is not true of sclereids? ... .. [ CBSE 1996]
  • a) Found in shells of nut, pulp of Guava and Pea
  • b) Stone cells
  • c) Constituent of sclerenchyma
  • d) Group of living cells
Q.8
Vascular cambium produces ... [ CBSE 1992]
  • a) Primary xylem and primary phloem
  • b) Secondary xylem and secondary phloem
  • c) Primary xylem and secondary phloem
  • d) Secondary xylem and primary phloem
Q.9
Quiescent centre shows ... ... [ kerala 2000 ]
  • a) Rapid divisions
  • b) High metabolic activity
  • c) Little meristematic activity
  • d) Development of lateral appendages
Q.10
Vessels of heart wood are blocked by ... ... [ AIIMS 1996]
  • a) Hydathodes
  • b) Tyloses
  • c) Stomata
  • d) Latex
Q.11
Parenchyma with large air spaces is ... .... [ kerala 2001]
  • d) Prosenchyma
  • a) Stellate parenchyma
  • b) Aerenchyma
  • c) Angular parenchyma
Q.12
A tree grows at a rate of 0.5m/yr. What will be the height of a board fixed at 1.5 m above the base, five years ago ... .. [ JKCMEE 2004]
  • a) 4 m
  • b) 3.5 m
  • c) 1.5 m
  • d) 4.5 m
Q.13
Interfascicular cambium is ... ..
  • a) Intercalary meristem
  • b) Secondary meristem
  • c) Apical meristem
  • d) Non-calary meristem
Q.14
Epidermal cells are ... .. [ RPMT 1996]
  • a) Guard cells
  • b) Root hairs
  • c) Trichome
  • d) All the above
Q.15
Bamboo and Grass stems elongate by the activity of ... ... [ KCET 2004]
  • a) Intercalary meristem
  • b) Apical meristem
  • c) Lateral meristem
  • d) Secondary meristem
Q.16
Duramen is ... .. [ K.C.E.T 2001]
  • a) Sapwood
  • b) Heartwood
  • c) Bark
  • d) Periderm
Q.17
A closed collateral bundle is one where ... .. [ AFMC 2010]
  • a) Xylem and phloem occur on different radii
  • b) Collateral bundle without cambium
  • c) Xylem and phloem are separated by cambium
  • d) Collateral bundle with cambium
Q.18
Adventitious roots develop from ... .. [ RPMT 1998]
  • a) Epidermis
  • b) Pericycle or interfascicular parenchyma
  • c) Cortex
  • d) Endodermis
Q.19
If all the lenticels of stem are blocked, the first do die will be ... ..[ AIIMS 1996]
  • a) Leaves
  • b) Shoot tips
  • c) Roots
  • d) None of the above
Q.20
Quiescent centre in the middle of root apical meristem was discovered by ... .. [ AFMC 1997]
  • a) Eames
  • b) Schmidt
  • c) Clowes
  • d) Hanstein
Q.21
Sea shore trees do not show annual rings because ... ... [ BHU 1992]
  • a) There is little climatic variations
  • b) they belong to monocots
  • c) There is enough moisture
  • d) Soil is sandy
Q.22
Senescence and death are essential in the functioning of ... .. [ Pb PMT 2000 ]
  • a) Sieve tubes
  • b) Companion cells
  • c) Both a and b
  • d) Xylem and Sclerenchyma cells
Q.23
What is true of heartwood ... .. [ RPMT 2002]
  • a) It does not help in water transport
  • b) It is resistant to bacterial infections
  • c) It is made up of degenerated cells
  • d) All the above
Q.24
The tissue which has dead cells in the functional state is ... ..[ CET Chd.2009]
  • a) Collenchyma
  • b) Sclerenchyma
  • c) Parenchyma
  • d) Phloem
Q.25
Cuticle is secreted by ... ... [ CMC 2002]
  • a) Hypodermis
  • b) Endodermis
  • c) Epidermis
  • d) Both b and c
Q.26
Main function of lenticel is ... .. [ CBSE 2002]
  • a) transpiration
  • b) Guttation
  • c) Bleeding
  • d) Gaseous exchange
Q.27
Active divisions occur in the cells of ... ..[ MPPMT 1998]
  • a) Xylem
  • b) Phloem
  • c) Cambium
  • d) Collenchyma
Q.28
Quiescent centre occurs in ... .. [ CPMT 2005]
  • a) Shoot apex
  • b) Root apex
  • c) Both a and b
  • d) Meristematic tissue
Q.29
Which of the following is a complex tissue .. .. [ CPMT 2010]
  • a) Parenchyma
  • b) Collenchyma
  • c) Xylem
  • d) Sclerenchyma
Q.30
Which do not have stomata ... .. [ CPMT 1996]
  • a) Submerged hydrophytes
  • b) Hygrophytes
  • c) Mesophytes
  • d) Xerophytes
Q.31
Which is not characteristic of xerophytic leaf .. .. [ CPMT 1990]
  • a) Thick cuticle
  • b) Well developed mechanical tissue
  • c) Well developed conducting tissue
  • d) Spongy parenchyma
Q.32
The term meristem was coined by ... .. [ JIPMER 1997]
  • a) Hanstein
  • b) Nageli
  • c) Schmidt
  • d) Esau
Q.33
Sieve tube possess ... ... [[ BHU 1991]
  • a) Simple oblique end walls
  • b) Perforated oblique septa
  • c) Perforated longitudinal walls
  • d) Apical oblique plates
Q.34
Apical meristem of root is present ... .. [ CBSE 2003]
  • a) Only in radicles
  • b) Only in tap roots
  • c) Only in adventitious roots
  • d) In all the roots
Q.35
Cotton fibres are .. ... [ CNS 2003 ]
  • a) Bark fibres
  • b) Phloem fibres
  • c) Pericycle fibres
  • d) Epidermal fibres
Q.36
Monocot root has ... .. [ KCET 2001]
  • a) Conjoint, collateral, open, polyarch vascular bundles
  • b) Suberised exodermis, casparian strip, passage cells, cambium
  • c) Suberised exodermis, polyarch xylem, pith
  • d) Exodermis, endarch, tetrarch closed vascular bundles
Q.37
What is correct about monocot stem ... ... [ Odisha 2002]
  • a) Hypodermis is sclerenchymatous, vascular bundles are closed, phloem parenchyma is absent
  • b) Hypodermis is sclerenchymatous, vascular bundles are open, phloem parenchyma is absent
  • c) Hypodermis is collenchymatous, vascular bundles are closed, phloem parenchyma is present
  • d) hypodermis is sclerenchymatous, vascular bundles are closed, phloem parenchyma is present
Q.38
Sieve tube is component of ... .. [ BHU 2000]
  • a) Xylem
  • b) Cortex
  • c) Phloem
  • d) Both xylem and phloem
Q.39
Procambium forms ... .. [ DPMT 2001]
  • a) Vascular cambium
  • b) vascular tissues
  • c) Cork cambium
  • d) Intercalary meristem
Q.40
Collateral open vascular bundles and eustele occur in ... ... [ WB 2012]
  • a) Monocot stem
  • b) Dicot stem
  • c) Monocot root
  • d) Dicot root
Q.41
Porous wood contains ... ... [ AIIMS 2001]
  • a) Fibres
  • b) Sieve tubes
  • c) tracheids
  • d) Vessels
Q.42
Early formed xylem is ... ... [ Pb PMT 1997]
  • a) Uniseriate
  • b) Multiseriate
  • c) Protoxylem
  • d) Metaxylem
Q.43
Meristem that is parallel to the longitudinal axis of the plant is ... .. [ JKCMEE 2010]
  • a) Procambium
  • b) Intercalary meristem
  • c) Phellogen
  • d) Apical meristem
Q.44
Which one does not occur in xylem ... ... [ CMC 2002]
  • a) Medullary rays
  • b) Vascular rays
  • c) Vessels
  • d) Tracheids
Q.45
Cambium produces ... ..[ JIPMER 2003]
  • a) Secondary permanent tissue
  • b) Secondary meristematic tissues
  • c) Secondary apical meristem
  • d) All the above
Q.46
Bicollateral vascular bundles have tissue arrangement ... ... [ KCET 2004]
  • a) Outer phloem - Outer cambium - Middle xylem - Inner cambium - Inner phloem
  • b) outer xylem - Outer cambium - Middle phloem - Inner cambium - inner xylem
  • c) Outer phloem - Outer xylem - Middle cambium
  • d) outer cambium - Outer phloem - Middle xylem - Inner phloem - Inner cambium
Q.47
Assertion (A) : All the endodermal cells of the root do not contain casparian thickenings on their radial walls and transverse walls Reason (R): Passage cells are found in endodermis
  • a) Both (A) and (R) are true. (R) is correct explanation of (A)
  • b) Both (A) and (B) are true. (R) is not correct explanation of (A)
  • c) (A) is true but (R) is false
  • d) (A) is false but (R) is true
Q.48
Velamen found in epiphytic roots is meant for ... ... [ CPMT 1991]
  • a) Absorption of water from host
  • b) Absorption of water from air
  • c) Perennation
  • d) Protection
Q.49
Tissue cells commonly found in fruit walls of nuts and pulp of some fruits like guava are called ... .. [ AMU 2009]
  • a) Fibres
  • b) Sclereids
  • c) Tracheids
  • d) Vessels
Q.50
Periderm is produced by ... .. [ JKCMEE 2007]
  • a) Vascular cambium
  • b) Fascicular cambium
  • c) Phellogen
  • d) Intrafascicular cambium
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