BOTANY
PLANT MORPHOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Given below is a set of four pair of modification with examples. Identify the incorrect pairing.a) Colocasia-modified stemb) Citrus thorn-modified leafc) Phylloclade of Opuntia-modified stemd) Turnip-modified root
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a
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b
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c
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d
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Explanation:
Detailed explanation-1: -Phylloclade is also a type of stem modification where the flattened leaf-like structures are formed, which helps in photosynthesis, examples are cactus opuntia.
Detailed explanation-2: -So, the correct answer is ‘Option B-Phylloclade’.
Detailed explanation-3: -Phylloclade is the modification of entire stem but cladode is the modification of only single internode of stem.
Detailed explanation-4: -Definition and morphology In one definition, phylloclades are a subset of cladodes, namely those that greatly resemble or perform the function of leaves, as in Butcher’s broom (Ruscus aculeatus) as well as Phyllanthus and some Asparagus species.
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