71.
Living tissue in lenticel in called
A
Conjunctive tissue
B
Connective tissue
C
Complementary tissue
D
Phelloderm
Answer :
Complementary tissue
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72.
Transmission tissue is characteristic feature of:
A
Solid style
B
Dry stigma
C
Wet stigma
D
Hollow style
Answer :
Solid style
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73.
Meiosis occurs in
A
Shoot apex
B
Reproductive parts
C
Roots apex
D
Leaf bud
Answer :
Reproductive parts
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74.
Secondary xylem and phloem in dicot stem are produced by
A
Apical meristems
B
Vascular cambium
C
Axillary meristems
D
Phellogen
Answer :
Vascular cambium
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75.
Formation of secondary xylem and phloem respectively
A
Centrifugal and centripetal
B
Centripetal and centrifugal
C
Both centripetal
D
Both centrifugal
Answer :
Centripetal and centrifugal
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76.
A dicot root differs from a monocot root in which of the following
A
Presence of piliferous layer
B
Presence of exodermis
C
Presence of ill-developed pith
D
Separate radial vascular bundle
Answer :
Presence of ill-developed pith
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77.
Edible part of pear fruit is gritty due to
A
Macrosclereids
B
Malpighi cells
C
Brachysclereids
D
Osteosclereids
Answer :
Brachysclereids
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78.
Which xylem element is living
A
Vessels
B
Tracheids
C
Fibre
D
Parenchyma
Answer :
Parenchyma
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79.
A group of cells alike in forms, function and origin is called
A
Organ
B
Organelle
C
Tissue
D
None of the above
Answer :
Tissue
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80.
Most water absorption in plants takes place through
A
Root cap
B
Root apex
C
Root hair zone
D
Meristematic zone
Answer :
Root hair zone
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