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Question-1
The root form horny branches in
(A)
Asparagus
(B)
Moringa
(C)
Acanthorhiza
(D)
All of these
Question-2
Most reduced form of stem is found in
(A)
Bulb
(B)
Rhizome
(C)
Stolon
(D)
Phylloclade
Question-3
The functional xylem of dicot tree is
(A)
Sapwood
(B)
Hard wood
(C)
Heart wood
(D)
Autum wood
Question-4
Amphivasal vascular bundles are also called
(A)
Endoxylem
(B)
Hedreo centric
(C)
Hydro centric
(D)
Leptocentric
Question-5
The root, holding horizontal branches of Banyan tree, are
(A)
prop roots
(B)
stilt root
(C)
thump roots
(D)
all of these
Question-6
Endodermal cells can be distinguished by the presence of
(A)
Cambium cells
(B)
Elongated cells
(C)
Thin walled cells
(D)
Barrel shaped cells
Question-7
Bamboo and grasses elongate by the activity of
(A)
Apical meristem
(B)
Lateral meristems
(C)
Secondary meristem
(D)
Intercalary meristem
Question-8
The wood of Salix may be referred to as
(A)
soft wood
(B)
ring porouus
(C)
non porous
(D)
diffuse porous
Question-9
The pneumatophores have openings called
(A)
Stomata
(B)
pneumatothodes
(C)
Hydrothodes
(D)
All of these
Question-10
The living cells of the following provide tensile and mechanical strength to the plant organs
(A)
Phloem
(B)
Sclereids
(C)
Sclerenchyma
(D)
Collenchyma
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Plus 2 Biology Science
ICSE/ISC
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