Stems modified into flat green organs performing the functions of leaves are known as :

Cladodes

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Phyllodes

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Phylloclades

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Scales

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Solution

The correct option is C
Phylloclades

These are modified to perform the function of photosynthesis.

Cladode is also a phylloclade but is of limited growth.

Phyllode is the modification of a leaf, in which the petioles become flattened and perform the function of a leaf.

Scales are non-green and do not take part in photosynthesis.

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Similar questions

Q. Both the main stem and the branches are modified into flat green organs performing the functions of leaves are known as:

Q. Some plants possess modification like phylloclades, cladodes, phyllodes, scale leaves, etc. for

Q. Following are the comparisons between phylloclades and cladodes (cladophylls).

	Phylloclade	Cladode
(i)	Both main stem and branches are modified to function like leaves.	Only the branches are modified to take over the function of leaves.
(ii)	Phylloclade has limited or definite growth.	Cladode has unlimited or indefinite growth.
(iii)	It consist of several nodes and internodes.	It is usually one internode long
(iv)	True leaves are commonly caducous.	True leaves are either reduced to scales or modified to spines.
(v)	Example: Rescus aculeatus, Asparagus etc.	Example: Opuntia, Euphorbia royleana etc.

Pick up the wrong difference and select the correct option.

Q. _______ is a modified stem which is green, flat, fleshy and the leaves are modified into spines.

In Opuntia, the stem is modified into a flattened green structure to perform the functions of leaves, (i.e., photosynthesis). Cite some other examples of modifications of plant parts for the purpose of photosynthesis.

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