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Question-1
In the stem of a monocot bundle, the xylem is
(A)
V-shaped
(B)
y-shaped
(C)
Radial rows
(D)
Concentric rings
Question-2
Haustorial root is present in
(A)
Zea mays
(B)
Cactus
(C)
Cuscuta
(D)
Orchid
Question-3
Endodermis is a part of
(A)
Pericycle
(B)
Medulla
(C)
Cortex
(D)
Epidermis
Question-4
Cutting of terminal buds shows
(A)
More lateral buds
(B)
More axial buds
(C)
Stopping of flower growth
(D)
Stopping of plant growth
Question-5
Tyloses thickenings are seen in
(A)
Collenchyma only
(B)
Phloem cells
(C)
Ray parenchyma only
(D)
Ray parenchyma and xylem cells
Question-6
Passage cells are found in
(A)
Pith
(B)
Epidermis
(C)
Pericycle
(D)
Endodermis
Question-7
Duramen is
(A)
Bark
(B)
Periderm
(C)
Sap wood
(D)
Heart wood
Question-8
Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem?
(A)
Phellogen
(B)
Intercalary meristem
(C)
Interfascicular cambium
(D)
Intrafasciular cambium
Question-9
The largest flowers belong to which of the following angiosperm?
(A)
Total stem parasite
(B)
Partial root parasite
(C)
Total root parasite
(D)
Partial stem parasite
Question-10
Which part of aconitum nepallus is of medicinal value?
(A)
roots
(B)
stembs
(C)
leaves
(D)
flower buds
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Plus 2 Biology Science
ICSE/ISC
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