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Neet Biology Anatomy Of Flowering Plants Mcq
Quiz 10
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Q.1
Xylem fibre is ... ... [RPMT 1990]
0%
a) Heat wood
0%
b) Wood fiber
0%
c) Libriform fiber
0%
d) Bast fibre
Explanation
Answer : (b)
Q.2
Match column .. .. [ kerala 2006]
a. Xylem vessels
Store food material
b. Xylem tracheids
Obliterated lumen
c. Xylem fibre
Perforated plates
d. Xylem parenchyma
Chisel - like ends
0%
a) a - 3, b - 4, c - 2, d - 1
0%
b) a - 4, b - 3, c - 2, d - 1
0%
c) a - 3, b - 2, c - 1, d - 4
0%
d) a - 2, b - 1, c - 4, d - 3
Explanation
Answer : (a)
Q.3
Periblem forms .. ..[ MPPMT 2001]
0%
a) Endodermis
0%
b) Cortex
0%
c) Both a and b
0%
d) Epidermis
Explanation
Answer : (c)
Q.4
Stele consists of .. .. [ JIPMER 2000 ]
0%
a) Phloem
0%
b) Xylem
0%
c) Pericycle
0%
d) All the above
Explanation
Answer : (d)
Q.5
Cork cambium is ... ..[ Odisha 2007]
0%
a) Primary meristem
0%
b) Apical meristem
0%
c) Secondary meristem
0%
d) Intercalary meristem
Explanation
Answer : (c)
Q.6
Where do the casparian bands occur ... .. [ CBSE 1999]
0%
a) Epidermis
0%
b) Endodermis
0%
c) Pericycle
0%
d) Phloem
Explanation
Answer : (b)
Q.7
Which character is not associated with plant where Shull studied inbreeding depression while Miller and Letham extracted a hormone from its seeds ... ..
0%
a) Atactostele in stem
0%
b) Bundle sheath in leaf
0%
c) Chromosome number 30 in endosperm
0%
d) Medulla absent in root
Explanation
Answer : (d)
Q.8
The balloon like growth of parenchyma in the lumen of a vessel are known as ... .. [ BHU 1994]
0%
a) Histogen
0%
b) Tyloses
0%
c) Phellogen
0%
d) Tunica
Explanation
Answer : (b)
Q.9
The best method to determine the age of tree is to ... ..[ AFMC 1993]
0%
a) Measure its diameter
0%
b) Count the number of leaves
0%
c) Count the number of annual rings at the base of main stem
0%
d) Find out the number of branches
Explanation
Answer : (c)
Q.10
Bulliform or motor cells are present on ...
0%
a) Root
0%
b) Stem
0%
c) Isobilateral leaf
0%
d) Dorsiventral leaf
Explanation
Answer : (c)
Q.11
Outer lighter coloured/alburnum region of wood is .. ... [ JKCMEE 2008]
0%
a) Autumn wood
0%
b) Spring wood
0%
c) Heart wood
0%
d) Sapwood
Explanation
Answer : (d)
Q.12
In sieve elements, the possible function of P-proteins is ... .. [ AIIMS 2006]
0%
a) Autolytic enzymes
0%
b) Sealing mechanism on wounding
0%
c) Providing energy for active translocation
0%
d) Deposition of callose on sieve plates
Explanation
Answer : (b)
Q.13
Four radial bundles occur in ... ... [ CBSE 2002]
0%
a) Monocot root
0%
b) Dicot root
0%
c) Monocot stem
0%
d) Dicot stem
Explanation
Answer : (b)
Q.14
Histogens are components of ... ..
0%
a) Secondary phellogen
0%
b) Apical meristem
0%
c) Lateral meristem
0%
d) Intercalary meristem
Explanation
Answer : (b)
Q.15
Pith or central part of ground tissue is made of ... ..[ JKCMEE 2005]
0%
a) Collenchyma
0%
b) Parenchyma
0%
c) Chlorenchyma
0%
d) Sclerenchyma
Explanation
Answer : (b)
Q.16
Pith is produced by ... .. [ AFMC 1993]
0%
a) Ground meristem
0%
b) Procambium
0%
c) Periblem
0%
d) Dermatogen
Explanation
Answer : (a)
Q.17
Which one is living and non-nucleated at maturity? ... .. [ AMU 1995]
0%
a) Sieve tubes
0%
b) Companion cells
0%
c) Collenchyma
0%
d) Parenchyma
Explanation
Answer : (a)
Q.18
Knot in the wood are formed by ... ..[ Bih. PMT 2002]
0%
a) Insect injury
0%
b) Growth of secondary tissues over wounds of fallen branches
0%
c) bacterial tumours
0%
d) None of these
Explanation
Answer : (b)
Q.19
Senescence is an active developmental cellular process in the growth and functioning of flowering plant, is indicated in ... .. [ CBSE 2008]
0%
a) Annual plants
0%
b) Floral parts
0%
c) Leaf abscission
0%
d) Vessels and tracheids
Explanation
Answer : (c)
Q.20
Length of petiole increases by the activity of .. .. [ CPMT 2007]
0%
a) Apical meristem
0%
b) Lateral meristem
0%
c) Intercalary meristem
0%
d) All the above
Explanation
Answer : (c)
Q.21
Which is not true of dicot root ... ..[ CPMT 1990]
0%
a) Vascular bundles 15-20
0%
b) Radial vascular bundles
0%
c) Secondary growth
0%
d) Pith little or absent
Explanation
Answer : (a)
Q.22
Sugarcane plant has ... .... [ AIIMS 2004]
0%
a) Recticulate venation
0%
b) Capsular fruits
0%
c) Pentamerous flowers
0%
d) Dumb-bell-shaped guard cells
Explanation
Answer : (d)
Q.23
Simple pits occur in ... .. [ Manipal 1997]
0%
a) Parenchyma alone
0%
b) Simple tissue alone
0%
c) Parenchyma and sclerenchyma
0%
d) All types of tissues
Explanation
Answer : (d)
Q.24
Correct sequence of layers from outside to inside of a typical monocot root is ... .. [ CPMT 2005]
0%
a) Epiblema, endodermis, cortex, pericycle
0%
b) Pericycle, cortex, endodermis, epiblema
0%
c) Epiblema, cortex, endodermis, pericycle
0%
d) Epiblema, pericycle, cortex, endodermis
Explanation
Answer : (c)
Q.25
Casparian strip contain ... .. [ RPMT 1998]
0%
a) Cutin
0%
b) Pectin
0%
c) Suberin
0%
d) Wax
Explanation
Answer : (c)
Q.26
A dicot in which stem has scattered vascular bundles is ... ... [ JKCET 2012]
0%
a) Helianthus
0%
b) Pepromia
0%
c) Yucca
0%
d) Dolichos
Explanation
Answer : (b)
Q.27
Latex vessel occur in ... .. [ BHU 1990]
0%
a) Calotropis
0%
b) Banana
0%
c) Papaver/Poppy
0%
d) Euphorbia
Explanation
Answer : (c)
Q.28
Growth/annul rings are formed by the activity of ... .. [ AFMC 1990]
0%
a) Cambium
0%
b) Xylem
0%
c) Phloem
0%
d) Both xylem and phloem
Explanation
Answer : (a)
Q.29
In ferns vascular bundle is ... ..
0%
a) Leptocentric
0%
b) Amphicribal/amphiphloic
0%
c) Amphivasal
0%
d) Collateral
Explanation
Answer : (b)
Q.30
Which one consists of living cells ... ... [ MPPMT 2009]
0%
a) Vessels
0%
b) Tracheids
0%
c) Companion cells
0%
d) Sclerenchyma
Explanation
Answer : (c)
Q.31
In monocots ... .. [ CPMT 2010]
0%
a) Leaves have reticulate venation
0%
b) Stems have annual rings
0%
c) Seeds have two storage organs
0%
d) Stems have scattered conducting strands
Explanation
Answer : (d)
Q.32
As the secondary growth takes place (proceeds) in tree, thickness of .... .... [ CBSE 1994]
0%
a) Heart wood increases
0%
b) Sap-wood increases
0%
c) Both increase
0%
d) Both remain the same
Explanation
Wood is the secondary xylem of seed plants. As the tree ages, certain permanent changes takes place in the wood. The inner part of wood becomes non-functional and darker. The xylem in this central part is called heartwood. The peripheral part of wood is light coloured and is called sapwood. It conducts function of secondary xylem. With the passage of time, more rings of sapwood changes into heartwood. This is why the heartwood increases in diameter year after year but the sapwood remains almost in the same thickness. Answer : (a)
Q.33
Aerenchyma occurs in ... .. [ MPPMT 2004]
0%
a) Mesophytes
0%
b) Xerophytes
0%
c) Hydrophytes
0%
d) Sciophytes
Explanation
Answer : (c)
Q.34
Palisade parenchyma is absent in leaves of ... ..[ CBSE 2009]
0%
a) Gram
0%
b) Soybean
0%
c) Sorghum
0%
d) Mustard
Explanation
Answer : (c)
Q.35
Mesarch xylem occurs in ... [ Pb PMT 1999]
0%
a) Monocots
0%
b) Dicots
0%
c) Ferns
0%
d) Bryophytes
Explanation
Answer : (c)
Q.36
Match the species with type of wood ... [ JKCMEE 2003] a) Tectona grandis b) Cedrus deodara c) Shorea robusta d) Dalbergia sissoo e) Softwood f) Hardwood
0%
a) a - e, b - f, c - f, d - e
0%
b) a - e , b - e, c - f, d - f
0%
c) a - f, b - e, c - f, d - f
0%
d) a - f, b - e, c - e, d- f
Explanation
Answer : (c)
Q.37
Central xylem is present in ... ... [ Manipal 2003]
0%
a) Dicot root
0%
b) Dicot stem
0%
c) Monocot stem
0%
d) Branches of stem
Explanation
Answer : (a)
Q.38
Exchange of gases between air and the internal tissues of older corky stems takes place through .. ... [ HPPMT 2012]
0%
a) Sieve plates
0%
b) Pits
0%
c) Stomata
0%
d) Lenticels
Explanation
Answer : (d)
Q.39
Small, thin walled elongated cells associated with sieve tube elements are ... .. [ Tamil nadu 2001]
0%
a) Sieve plates
0%
b) Companion cells
0%
c) Phloem fibres
0%
d) Phloem parenchyma cells
Explanation
Answer : (b)
Q.40
Which of the following is /are not true .. ..[ kerala 2006 ] a. Cork cambium is otherwise called phellogen b. Cork is otherwise called phellem c. Secondary cortex is otherwise called periderm d. Cork cambium, cork and secondary cortex are collectively called phelloderm
0%
a) b and d only
0%
b) b and c only
0%
c) c and d only
0%
d) a and b only
Explanation
Answer : (c)
Q.41
A simple tissue with both mechanical and physiological functions in young dicotyledonous plant is .. .. [ EAMCET 2002]
0%
a) Meristematic tissue
0%
b) Parenchyma
0%
c) Sclerenchyma
0%
d) Collenchyma
Explanation
Answer : (d)
Q.42
In dicot system, xylem is ... .. [ AFMC 1993]
0%
a) Polyarch
0%
b) Monoarch
0%
c) Endarch
0%
d) Exarch
Explanation
Answer : (c)
Q.43
Dividing cells not yet committed to become specific cell type are ... .. [ COMED-K's 2008]
0%
a) Epidermal cells
0%
b) Ground cells
0%
c) Periderm cells
0%
d) Meristem cells
Explanation
Answer : (d)
Q.44
Which is wrong about sieve tube elements ... .. [ kerala 2007]
0%
a) Peripheral cytoplasm and large vacuole
0%
b) Perforated end wall becomes impregnated with lignin
0%
c) P-proteins occurs evenly distributed throughout lumen
0%
d) Absence of nucleus at maturity
Explanation
Answer : (b)
Q.45
Endodermis takes part in ... .. [ CPMT 2007]
0%
a) Providing protection
0%
b) Preventing water loss from stele
0%
c) Maintaining rigidity
0%
d) All the above
Explanation
Answer : (b)
Q.46
Diffuse porous woods are characteristics of plants growing in ... ... [ CBSE 2003]
0%
a) Alpine regions
0%
b) Cold winter regions
0%
c) Temperate regions
0%
d) Tropical regions
Explanation
Answer : (d)
Q.47
Collenchyma occur in ... .. [ CBSE 1990]
0%
a) Herbaceous climbers
0%
b) Woody climbers
0%
c) Climbing stems
0%
d) Water plants
Explanation
Answer : (c)
Q.48
Root cap regenerates/dead torn cells of root cap are replaced by the activity of ... .. [ RPMT 1995]
0%
a) Plerome
0%
b) Dermatogen
0%
c) Calyptrogen
0%
d) Periblem
Explanation
Answer : (c)
Q.49
A bicollateral vascular bundle is characterised by ... .. [ CBSE 1992]
0%
a) Phloem being sandwiched between xylem
0%
b) Transverse splitting of vascular bundle
0%
c) Longitudinal slitting of vascular bundle
0%
d) Xylem being sandwiched between phloem
Explanation
Answer : (d)
Q.50
Palisade parenchyma is present on both sides in ... ..[ RPMT 2005]
0%
a) Nerium
0%
b) Eucalyptus
0%
c) Wheat
0%
d) both a and b
Explanation
Answer : (d)
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