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Internodes are points on plants where the buds, leaves, and branching twigs originate.
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Important Questions on Structural Organisation in Plants
HARD
Find the correct match:
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Identify the vegetative propagule in the following diagram:
HARD
In Mimosa pudica, thigmotropism helps in protection, whereas in bitter-guard tendrils help in _____.
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Tendrils are modifications of
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In Bougainvillea, thorns are the modifications of:
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An example of edible underground stem is:
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Offsets are produced by
HARD
Choose correct statements
Trap leaves supply nitrogen to Nepenthes plant
Grape vines differ from watermelon by having tendrils developed from axillary bud
Balancing roots of Eichornia arise from horizontally growing lateral branches
Gall flowers of Ficus store eggs of Blastophaga
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In watermelon the spirally coiled stem modifications which help in climbing are developed from
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Which one of the following statements is not correct?
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Stems modified into flat green organs performing the functions of leaves are known as:
MEDIUM
Give any two reasons to justify that onion bulb is a modified stem.
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Justify the following statements on the basis of external features:
Underground parts of a plant are not always roots.
HARD
Describe modifications of the stem with suitable examples
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In ginger, vegetative propagation occurs through
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Choose the correct answer and fill in the blank:
Rose plant has _____ (seeds/thorns) for protection.
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A slender, prostrate subaerial branch of the stem which creeps along the ground helping in vegetative reproduction is
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Thick unbranched roots found in corms and rhizomes of some plants are
