What is modified stem in plants?
A rhizome is a modified stem that grows horizontally underground; it has nodes and internodes. Vertical shoots may arise from the buds on the rhizome of some plants, such as ginger and ferns. Corms are similar to rhizomes, except they are more rounded and fleshy (such as in gladiolus).
What is stem modification explain its different types with examples?
Modification of stem The stem is the part of the plant that provides support and helps in conduction. In some plants, the stem is modified for some other functions such as: Underground stem modification- in such modification, stems remain under the soil and store the large amount of food e.g., potato, ginger etc.
What are the different modifications and functions of a stem?
The stem modification that has enlarged fleshy leaves emerging from the stem or surrounding the base of the stem is called a bulb; it is also used to store food. Aerial modifications of stems include tendrils, thorns, bulbils, and cladodes..
What are some examples of modified stems?
Modified stems can be categorized into three types:
- Underground – Rhizome, Bulb, Corm, Tuber.
- Subaerial – Runner, Sucker, Offsets, Stolon.
- Aerial – Tendrils, Thorn, Bulbils, Cladode, Phylloclade.
Is onion a modified stem?
The onion bulb is a modified stem because it consists of large numbers of fleshy scales leaves. At the base of the onion the root appears as a thread like structure. Having a cluster of fleshy leaves, the onions look like a tunicate bulb.
What is the modification of garlic?
Garlic is a modified, underground stem, which is known as a bulb.
What is the modification of ginger?
rhizomes
– Rhizome of ginger is a modification of stem in vascular plants because it bears internodes and nodes. – Rhizome is found under the ground and they send roots and shoots with the help of nodes outside the ground. The other name of rhizomes is the creeping root stalks of the plant.
What is the modification of onion?
Is ginger a modified stem?
Ginger is a modified stem growing underground forming the structure called rhizome. It has nodes and internodes since it is a modified form of stem. It also has scaly leaves.
What is the modification of turmeric?
A rhizome (“mass of roots”) is a modified stem that grows horizontally underground. It has nodes and internodes. Vertical shoots may arise from the buds on the rhizome of some plants, such as turmeric or ginger.
Is Mango a modified stem?
Solution : Mango, ginger is a modification of adventitous roots. These roots become swollen at their tips due to accumulation of food….
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| Question Video Duration | 2m44s |
Is Carrot a modified stem?
Carrots are the modified tap root, for storage. Carrots have a root cap, no nodes, and never directly bear leaves or flowers. Roots serve as food storage organs, absorbing nutrients and moisture, anchoring the plant in the soil, providing physical support for the stem, and anchoring the plant in the soil.
Which is not a stem modification a ginger b mango ginger c Potato D garlic?
Answer. The correct option is (b) mango ginger.
Is Mango Ginger stem or root?
UPLOAD PHOTO AND GET THE ANSWER NOW! Solution : Mango, ginger is a modification of adventitous roots. These roots become swollen at their tips due to accumulation of food.
Is tomato a modified stem?
They are vines that have a weak stem that sprawls and typically needs support. Indeterminate tomato plants are perennials in their native habitat, but are cultivated as annuals….
| Tomato | |
|---|---|
| Genus: | Solanum |
| Species: | S. lycopersicum |
| Binomial name | |
| Solanum lycopersicum L. |
Why do plants have modified stems?
In some plants, stems are modified, which can be aerial, subaerial or underground modifications. They are modified to perform other functions, which are not normally associated with the stem.
What are the two types of modifications of stem?
I. Underground modifications of Stem II. Subaerial modifications of Stem III. Aerial modifications of Stem. I. Underground modifications of Stem: Many plants produce underground stems for perennation and food storage. They produce aerial shoots annually.
What are underground stem modifications?
Underground Modifications of Stem Some underground stems are modified for food storage and to survive under unfavourable conditions. Some underground stem modifications are:
Why are stems modified into aerial forms?
Aerial Modifications of Stem The stems are modified into aerial forms to perform important functions such as climbing, food storage, vegetative propagation, and protection. The stem modifications are as follows: