A modified aerial stem which performs function of photosynthesis, but the modification is actually to reduce the rate of transpiration is

Cladode

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Phylloclade

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Phyllode

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Both A and B

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Solution

The correct option is B Phylloclade
Phylloclades are the modified flattened branch. It belongs to genus conifer and is seen in xerophytic plants. It helps in removal of excess water, ascent of sap, cooling effect etc., e.g., opuntia, euphorbia etc. Cladodes perform photosynthesis. Ruscus, Asparagus, Phyllode is a modified leaf In acacia (Australian) It is also responsible for photosynthesis. Thus, the correct answer is option B.

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Similar questions

Study the following table
$\begin{matrix} P l a n t & M o d i f i e d p a r t & N a m e o f m o d i f i c a t i o n & P u r p o s e 1. & P i s t i a & S t e m & O f f s e t & R e p r o d u c t i o n 2. & P e a & S t e m & T e n d r i l & C l i m b i n g 3. & O p u n t i a & L e a f & P h y l l o d e & P h o t o s y n t h e s i s 4. & B o u g a i n v l l e a & L e a f & S p i n e & P r o t e c t i o n \end{matrix}$
Which of the above show the correct combination?

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.

Phyllode is nothing but a leaf modification meant for photosynthesis adaptation in:

Study the following table

Plant Modified part Name of modification Purpose

1. Pistia Stem Offset Reproduction

2. Pea Stem Tendril Climbing

3. Opuntia Leaf Phyllode Photosynthesis

4. Bougainvillea Leaf Spine Protection

Which of the above show correct combinations?

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