From the description given below, identify the type of plant modification.
A thick horizontally growing stem which usually stores food material. It has nodes and internodes, scale leaves, axillary buds, adventitious roots and a terminal bud.

Rhizome, underground stem modification

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Rhizome, underground root modification

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Tuber, underground stem modification

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Sucker, underground stem modification

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Solution

The correct option is A Rhizome, underground stem modification
A rhizome is a thick horizontally growing stem which usually stores food material. It has nodes and internodes, scale leaves, axillary buds, adventitous roots and a terminal bud. Scale leaves enclosing the axillary buds are seen arising from the nodal points of the stem. Some of the axillary buds develop into branches which grow upwards into the air and then produce normal green foliage leaves. Usually the growing points of the rhizome continue to remain underground causing an elongation of the rhizome. Roots develop from the lower surface of the rhizome. Eg. Ginger, Turmeric.

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Similar questions

From the description given below, identify the type of plant modification.
A thick horizontally growing stem which usually stores food material. It has nodes and internodes, scale leaves, axillary buds, adventitious roots and a terminal bud.

Q. Study the following lists.

List-I	List-II
(A) A piece of underground branches store	(I) Mentha food material
(B) Underground branches grow obliquely upward from the axillary buds of nodes of the stem below the soil.	(II) Hydrocotyl
(C) Aerial branches grow obliquely downwards.	(Ill) Agave and produce adventitious roots after touching the soil
(D) Weak stemmed plants have a cluster of leaves.	(V) Stachys and roots at every node
	(V) Jasminum

Q. Given are some difference between an underground stem and a root. Select the option that identifies the incorrect pair of differences.

	Underground stem	Root
(i)	It is differentiated into nodes and internodes	it is not differentiated in to nodes and internodes.
(ii)	Scale leaves are present at the nodes.	Scale leaves are absent in roots.
(iii)	Axillary buds are present in the axil of scale leaves.	Axillary buds are present at root tips.
(iv)	Branches arise exogenously.	Branches arise endogenously.
(v)	Flowers and fruits absent	Flowers and fruits are absent.
(vi)	These usually perform the function of food storage.	These usually perform the function of food storage.

Q. Identify plants which show a modification of axillary buds into tendrils and hooks respectively.
a. Hugonia
b. Duranta
c. Passiflora
d. Dioscoea

Q. Which of the following statements are true concerning stem modifications in plants?
I. Some underground stems are modified to store food as seen in ginger.
II. Stem tendrils develop from axillary buds in plants like cucumber and they help in climbing.

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From the description given below, identify the type of plant modification. A thick horizontally growing stem which usually stores food material. It has nodes and internodes, scale leaves, axillary buds, adventitious roots and a terminal bud.

From the description given below, identify the type of plant modification.
A thick horizontally growing stem which usually stores food material. It has nodes and internodes, scale leaves, axillary buds, adventitious roots and a terminal bud.