CBSE Questions for Class 11 Medical Biology Anatomy Of Flowering Plants Quiz 1 - MCQExams.com

Living cells of xylem are____________.
  • Xylem parenchyma
  • Xylem fibres
  • Vessels
  • Tracheids
Jute fibres are part of.
  • Xylem
  • Phloem
  • Epidermis
  • Cortex
Centripetal xylem is the characteristic of
  • Roots
  • Stems
  • Leaf
  • Petiole
__________ cells have lignified walls.
  • Collenchyma
  • Parenchyma
  • Sclerenchyma
  • Xylem parenchyma
Fibre tracheids have
  • Simple pits
  • Thick walls
  • Bordered pits
  • Pits with small borders
A major characteristic of the monocot root is the presence of 
  • Vasculature without cambium.
  • Cambium sandwiched between phloem and xylem along the radius.
  • Open vascular bundles.
  • Scattered vascular bundles.
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
  • Assertion is correct but Reason is incorrect.
  • Both Assertion and Reason are incorrect.
The vascular cambium in dicots is
  • Lateral
  • Apical
  • Intercalary
  • Secondary
Pith is a central part of the ground tissue generally made up of
  • Parenchyma
  • Collenchyma
  • Chlorenchyma
  • Sclerenchyma
Xylem fibre is a
  • Bast fibre
  • Wood fibre
  • Heart wood
  • Libriform fibre
Which is the hormone responsible for apical dominant growth?
  • Abscissic acid
  • Gibberellins
  • Kinetin
  • Auxins
The principal pathway by which water is translocated in angiosperms is_________
  • Xylem vessel system
  • Sieve tubes members of phloem
  • Xylems and phloem
  • Sieve cells of phloem
Thickness of stem increase due to activity of 
  • Cambium
  • Xylem
  • Phloem
  • Shoot apex
Pith and cortex belongs to 
  • Epidermis
  • Ground tissue
  • Vascular tissue
  • Bundle sheath
The buds that are present at the tip of stem or a branch are called as
  • Apical bud
  • Axillary bud
  • Vegetative bud
  • Floral bud
The hard protective covering on the stems of some plants is called 
  • Trunk
  • Bark
  • Axil
  • Bud
Tissue means _________________.
  • Similar cells having common origin
  • Similar cells having common origin and functions
  • Cells having same metabolic activities
  • Similar cells with same metabolic activity
Apical meristem is found in
  • Roots
  • Stem
  • Both A and B
  • None of these
In sclerenchyma, cell wall is:
  • Lignified
  • Suberised
  • Pectinised
  • Cutinised
The only plant cells without nucleus among the following are
  • Cambium cells
  • Xylem vessels elements
  • Root hairs
  • Companion cells
The most common ground tissue in plants is
  • Epidermis
  • Cortex
  • Parenchyma
  • Collenchyma
Conducting part of xylem is also known as
  • Leptom
  • Bast
  • Rhytidome
  • Hadrom
A conjoint vascular bundle is one in which xylem and phloem are
  • Joined together
  • Separate
  • On same radius
  • On alternate radii.
A bicollateral vascular bundle is characterised by
  • Phloem being sandwitched between xylem
  • Transverse splitting of vascular bundle
  • Longitudinal spitting of vascular bundle
  • Xylem being sandwiched between phloem
Thickest cell wall is seen in ______ cell.
  • Sclerenchyma
  • Parenchyma
  • Collenchyma
  • Both A and B
Laticiferous vessels are found in
  • Xylem tissue
  • Phloem tissue
  • Cortex
  • None of the above.
Cells in which end walls are absent are
  • Parenchyma
  • Sclerenchyma
  • Vessels
  • Sieve tubes
Cells taking part in conduction of sap are
  • Sieve tubes
  • Tracheae
  • Sieve cells
  • Stone cells
  • Companion cells
Open vascular bundles are those which
  • Are surrounded by pericycle but no endodermis
  • Are capable of producing secondary xylem and phloem
  • Are not surrounded by pericycle
  • Possess conjunctive tissue between xylem and phloem
Endodermis is part of
  • Epidermal system
  • Intrastelar tissue
  • Extrastelar tissue
  • Vascular tissue
Centripetal xylem is present in
  • Dicot root
  • Dicot stem
  • Monocot stem
  • Branches of stem
Bicollateral bundles occur in stem of
  • Dracaena
  • Pumpkin
  • Cannal Gram
  • Sunflower
Given below are assertion and reason. Point out if both are true with reason bring correct explanation (A), both true but reason is not correct explanation (B), assertion true but reason is wrong (C), both are wrong (D).
Assertion. In collateral vascular bundles, phloem is situated towards inner side.
Reason. In monocot stem, cambium is present
  • A
  • B
  • C
  • D
Which one does not contain end wall
  • Stone cell
  • Tracheid
  • Vessel element
  • None of the above
The correct sequences of reproductive stages is the following in plants is 
  • gamates, zygote, embryo, seedlings.
  • zygote, gamets, embryo, seedlings.
  • seedlings, embryo, zygote, gamates.
  • gamates, embryo, seedlings, zygote.
Tracheids are less efficient than vessels due to 
  • Absence of closed end walls.
  • Uneven thickenings
  • Casparian strips
  • Presence of tapering end walls.
The most primitive tracheary elements are
  • Tracheids with annular thickenings
  • Tracheids with scalariform thickenings
  • Pitted tracheids
  • Pitted tracheids and vessels.
Closed vascular bundles lack
  • Ground tissue
  • Conjunctive tissue
  • Cambium
  • Pith.
Flower is always solitary when:
  • Shoot bud transforms into flower
  • Shoot tip transforms into flower
  • Lateral shoot transforms into flower
  • Horizontal shoot transform into flower
Match column I with column II and select the correct option from the given codes.
  Column  I   Column II
 A. Vegetative buds i. Buds develop in axils of leaves
 B. Floral buds ii. Buds produce leafy shoots 
 C. Axillary buds iii. Reproductive buds that produce flowers
 D. Accessory iv Additional buds borne at leaf bases
  • (A) - (ii), (B) - (iii), (C) - (i), (D) - (iv)
  • (A) - (iii), (B) - (ii), (C) - (i), (D) - (iv)
  • (A) - (iv), (B) - (iii), (C) - (ii), (D) - (i)
  • (A) - (i), (B) - (ii), (C) - (iv), (D) - (iii)
Long plants are able to stand erect due to presence of
  • Sclerenchyma
  • Collenchyma
  • Parenchyma
  • Prosenchyma
When bark is cut from stem, which of the following vascular tissue is removed?
  • Xylem
  • Phloem
  • Parenchyma
  • All of the above
What do you mean by closed vascular bundle ?
  • Presence of cambium
  • Absence of cambium
  • Presence of periderm
  • None of these
The stele found in monocot is
  • Haplostele
  • Atactostele
  • Dictyostele
  • Actinostele
In Passiflora, the tendrils are modification of 
  • Axillary buds
  • Upper leaflets
  • Whole leaves
  • Stipules
Which of the following is not the feature of gymnosperms?
  • Parallel venation
  • Perennial plants
  • Distinct branches (long and short branches)
  • Xylem with vessels
Vessel elements are absent in
  • Gymnosperm
  • Monocot
  • Dicot
  • Angiosperm
Multi cellular hairs are found on
  • Root
  • Stem
  • Both A and B
  • None of the above
Largest bud is of
  • Cabbage
  • Cauliflower
  • Broccoli
  • Onion
The fibres of commercial importance are obtained from
  • Parenchyma
  • Collenchyma
  • Chlorenchyma
  • Sclerenchyma
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