Q.1.
Quiescent centre in root meristem serves as ... .. [ AIIMS 2003]
-
31%
a) Site for storage of food which is utilized during maturation
-
15%
b) Reservoir of growth hormones
-
46%
c) Reserve for replenishment of damaged cells of the meristem
-
8%
d) Region of absorption of water
Q.2.
In cucurbits, hypodermis is formed of ... .. [ Har PMT 2001]
-
33%
a) Sclerenchyma
-
22%
b) Collenchyma
-
22%
c) Parenchyma
-
22%
d) Aerenchyma
Q.3.
Protoxylem is towards pith and metaxylem towards periphery. Xylem is ... ... [ Har PMT 2002]
-
11%
a) Exarch
-
67%
b) Endarch
-
11%
c) Mesarch
-
11%
d) Centrarch
Q.4.
Secondary growth does not occur in monocots as their vascular bundles are ... ..[ JIPMER 1997]
-
12%
a) Radial
-
25%
b) Scattered
-
38%
c) Enclosed by sclerenchyma
-
25%
d) Closed
Q.5.
Secondary growth is absent in ... ..[ CPMT 1998]
-
22%
a) Hydrophytes
-
22%
b) Mesophytes
-
44%
c) Halophytes
-
11%
d) Xerophytes
Q.6.
Vascular bundles are closed when they ... .. [ Odisha 2004]
-
43%
a) Have cambium
-
43%
b) Lack cambium
-
0%
c) Lack pericycle
-
14%
d) Lack endodermis
Q.7.
Xylem produced through centrifugal differentiation is ... ..
-
43%
a) Exarch
-
29%
b) Endarch
-
0%
c) Mesarch
-
29%
d) Centrarch
Explanation
Q.8.
Radial vascular bundles occur in ... .. [ CPMT 1996]
-
25%
a) Stem
-
25%
b) Monocot root
-
25%
c) Dicot root
-
25%
d) Both monocot and dicot roots
Q.9.
Portion of apical meristem that gives rise to xylem tissue is called ... ..[ WB 2012]
-
20%
a) Protoxylem
-
0%
b) Procambium
-
40%
c) Metaxylem
-
40%
d) Tracheid
Q.10.
In a vascular bundle, xylem shows centripetal development. It is ... .. [ KCET 2008]
-
0%
a) Centrarch
-
25%
b) Mesarch
-
75%
c) Endarch
-
0%
d) Exarch
Q.11.
Totipotency is present in ... .. [ AFMC 2000]
-
75%
a) Meristem
-
0%
b) Cambium
-
0%
c) Phloem
-
25%
d) Cork
Q.12.
Meristematic cells are characterised by ... ... [ Manipal 2005]
-
0%
a) Thin cell walls and large intercellular space
-
100%
b) Thin cell walls and no intercellular spaces
-
0%
c) Thick cell walls and large intercellular spaces
-
0%
d) Thick cell walls and small intercellular spaces
Q.13.
Heart wood is ... .. [ HPPMT 2010]
-
50%
a) Outer part of secondary xylem
-
50%
b) Inner part of secondary xylem
-
0%
c) Outer part of secondary phloem
-
0%
d) Inner part of secondary phloem
Q.14.
Assertion: In collateral vascular bundles, phloem is situated towards inner side. Reason: In monocot stem, cambium is present ... .. [ AIIMS 2008]
-
0%
a) If both the assertion and reason are true and reason explains the assertion
-
50%
b) If both the assertion and reason are true but reason does not explain the assertion.
-
50%
c) If assertion is true but reason is false
-
0%
d) If assertion and reason both are false
Q.15.
Large nearly empty, colourless cells present on upper surface of grass leaf are ... ... [ kerala 2006]
-
33%
a) Accessory cells
-
67%
b) Bulliform cells
-
0%
c) Palisade parenchyma
-
0%
d) Spongy parenchyma
Q.16.
Sclereids belongs to ... ... [ BV 2003]
-
0%
a) Collenchyma
-
0%
b) Xylem
-
100%
c) Sclerenchyma
-
0%
d) Sclerenchyma fibres
Q.17.
Tissue taking part in transporting organic nutrients from spurce or storage region is ... .. [ Manipal 1995]
-
50%
a) Phloem
-
0%
b) Parenchyma
-
50%
c) Vascular rays
-
0%
d) Xylem
Q.18.
Active cell division are found in ... ..
-
0%
a) Latex
-
33%
b) Pith
-
0%
c) internode
-
67%
d) Root and shoot tip
Q.19.
Vascular bundle having xylem and phloem on the same radius is ... .. [ RPMT 1991]
-
0%
a) Concentric
-
50%
b) Radial
-
0%
c) Open
-
50%
d) Collateral
Explanation
Q.20.
Annual rings are found in ... .. [ RPMT 1996]
-
0%
a) Monocot stems
-
50%
b) Dicot stems
-
50%
c) Monocot roots
-
0%
d) Dicot roots
Explanation
Q.21.
A living mechanical tissue having cellulosic wall thickening is ... .. [ Manipal 2001]
-
0%
a) Sclerenchyma
-
50%
b) Collenchyma
-
50%
c) Parenchyma
-
0%
d) Aerenchyma
Q.22.
Casparian thickenings occur in the cells of ... ..[ KCET 2011]
-
50%
a) Pericycle of stem
-
50%
b) Endodermis of stem
-
0%
c) Pericycle of root
-
0%
d) Endodermis of root
Q.23.
Special feature of dividing cells is ... .. [ CPMT 2003]
-
33%
a) Large lacuna
-
33%
b) Thick cell walls
-
33%
c) Dense cytoplasm devoid of lacuna
-
0%
d) Large intercellular spaces
Q.24.
Vascular bundles grow from .. ..[ WB 2009]
-
0%
a) Protoderm
-
50%
b) Periderm
-
50%
c) Ground meristem
-
0%
d) Procambium
Q.25.
In monocots, the guard cells are ... .. [ RPMT 1998]
-
33%
a) Dumb-bell shaped
-
0%
b) Reniform
-
33%
c) Spherical
-
33%
d) Isodiametric
Q.26.
Jute fibres deteriorate because they have ... ... [ Odisha 2006]
-
50%
a) High cellulose
-
0%
b) Low cellulose
-
50%
c) High lignin
-
0%
d) Low lignin
Q.27.
A vascular bundle having phloem on both sides of xylem is ... ..[ BHU 2001 ]
-
33%
a) Conjoint collateral
-
0%
b) Radial
-
33%
c) Concentric
-
33%
d) Conjoint bicollateral
Q.28.
Dendrochronology is the study of ... ... [ CPMT 2004]
-
0%
a) Height of a tree
-
33%
b) Diameter of tree
-
67%
c) Age of the tree by counting the annual rings in the main stem
-
0%
d) None of these
Q.29.
Sclereids found in seed coat of pulses are ... ..
-
50%
a) Macrosclereids
-
50%
b) Brachysclereids
-
0%
c) Osteosclereids
-
0%
d) Astrosclereids
Q.30.
Gymnosperms are soft-wooded as they lack .. ..[ CBSE 2012]
-
50%
a) Cambium
-
0%
b) Phloem fibres
-
0%
c) Thick- walled tracheids
-
50%
d) Xylem fibres
Q.31.
What is true about a monocot leaf ... .. [ CBSE 1990]
-
0%
a) Reticulate venation
-
0%
b) Absence of bulliform cells from epidermis
-
100%
c) Mesophyll not differentiated into palisade and spongy tissues
-
0%
d) Well differentiated mesophyll
Q.32.
Collateral open vascular bundles and eustele are found in ... .. [ RPMT 2006]
-
0%
a) Dicot root
-
50%
b) Dicot stem
-
0%
c) Monocot stem
-
50%
d) Monocot root
Q.33.
The activity of sieve tubes is remotely controlled by protoplasm of ... ..
-
0%
a) Phloem parenchyma
-
50%
b) Companion cells
-
0%
c) Phloem fibres
-
50%
d) Both phloem parenchyma and phloem fibres
Q.34.
Casparian strips occur in ... .. [ JKCMEE 2000]
-
100%
a) Longitudinal and radial walls of epidermal cells
-
0%
b) Longitudinal walls of xylem
-
0%
c) All walls of endodermis
-
0%
d) Radial walls of endodermis
Q.35.
Quiescent centre is region of root apex which is ... .. [ Wardha 2005]
-
50%
a) Actively dividing
-
0%
b) Water absorption area
-
50%
c) Inactive cells
-
0%
d) Root hair area
Q.36.
Which one contains only living cells? ... .. [ JIPMER 1996]
-
100%
a) Rays and parenchyma
-
0%
b) Vessels
-
0%
c) Sclerenchyma
-
0%
d) Tracheids
Q.37.
Amphivasal or leptocentric vascular bundles are found in ... .. [ BHU 1999]
-
0%
a) Cycas and Dryopteris
-
0%
b) Dracaena and Yucca
-
50%
c) Helianthus and Cucurbita
-
50%
d) Maize and Wheat
Q.38.
Mesophyll is differentiated into palisade and spongy tissues in .. .. [ BHU 1991]
-
33%
a) Extremely xerophyte leaves
-
0%
b) hydrophyte leaves
-
0%
c) Monocot leaves
-
67%
d) Dicot leaves
Q.39.
Which of the following is not part of epidermal tissue system ... ..[ kerala 2010]
-
33%
a) Trichome
-
33%
b) Companion cells
-
33%
c) Guard cells
-
0%
d) Subsidiary cells
Q.40.
Which one is not formed from procambium? [ Wardha 2005]
-
0%
a) Xylem
-
50%
b) Phloem
-
0%
c) Intrafascicular cambium
-
50%
d) Interfascicular cambium
Q.41.
Fusiform initials produce ... .. [ MPPMT 2007]
-
50%
a) Vascular rays
-
50%
b) Primary phloem
-
0%
c) Tracheary elements
-
0%
d) Ray parenchyma
Q.42.
Radial vascular bundles occur in ... ..[ RPMT 1992]
-
0%
a) Stem
-
50%
b) Monocot stem
-
50%
c) Dicot stem
-
0%
d) Root
Q.43.
Longest fibres are found in ... .. [ Pb PMT 1998]
-
100%
a) Jute
-
0%
b) Cotton
-
0%
c) Sunn Hemp
-
0%
d) Coir
Q.44.
Root cap is formed by ... ... [ AIIMS 2000]
-
0%
a) Dermatogen
-
0%
b) Calyptrogen
-
0%
c) Wound cambium
-
100%
d) Vascular cambium
Q.45.
In dicot root showing secondary growth, cork is found ... .. [ JIPMER 1999]
-
0%
a) External to primary cortex
-
50%
b) Inner to endodermis and outer to pericycle
-
50%
c) Outer to endodermis and inner to primary cortex
-
0%
d) Inner to endodermis and external to primary phloem
Q.46.
Jute of commerce is got from ... .. [ Odisha 2005]
-
50%
a) Primary phloem
-
0%
b) Secondary phloem
-
0%
c) Secondary xylem
-
50%
d) Primary xylem
Q.47.
Epidermis and epiblema are produced from ... .... [ BHU 2002]
-
0%
a) Phellogen
-
50%
b) Calyptrogen
-
50%
c) Procambium
-
0%
d) Protoderm
Q.48.
Endodermis is part of ... .. [ EAMCET 2002]
-
100%
a) Epidermal system
-
0%
b) Interstellar issue
-
0%
c) Extrastelar tissue
-
0%
d) Vascular tissue
Q.49.
In dicot stems, vascular cambium is formed from ... .. [ Odisha 2008]
-
50%
a) Procambium
-
50%
b) Cambium
-
0%
c) Promeristem
-
0%
d) Protoderm
Q.50.
In an annual ring, the light coloured part is ... ..[ DPMT 2009]
-
33%
a) Heart wood
-
67%
b) Sapwood
-
0%
c) Early wood
-
0%
d) Late wood