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Biology
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Class 11
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Modification of Stems
Modification of Stems
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1)
Stem develops from
Leaf
Root
Radicle
Plumule
2)
Which is an offset
Cynodon dactylon
Mentha
Pistia
Bougainvillea
3)
Thorns are found in
Pomegranate
Pineapple
Opuntia
Eichhornia
4)
In onion the swollen underground structure is called as
Rhizome
Bulb
Root
Eyes
5)
Thorns ,spines having the functions as
Defensive organ
Respiratory organ
Storage part
Stimulatory part
6)
Leaves are changed into spines in xerophytic structures called as
Tuber
Bud
Radicle
Phylloclade
7)
Tendrils are modified for the function of
Support
Storage
Vegetative propagation
Protection
8)
Which region of the stem in pomegranate is modified for protection-
Tendrils
Thorns
Root
Radicle
9)
Identify the plant which are modified for storage of food-
Citrus
Pineapple
Pistia
Onion
10)
Name the function for which stem is modified for faster propagation
Storage
Photosynthesis
Vegetative propagation
Support