Which Of The Following Is Considered A Modified Stem - What Are The 4 Modified Stems?
Below are different types of modified stems.
- Rhizomes. Rhizomes are underground stems that grow horizontally, with the function of storing nutrients and water.
- Bulbs. Bulbs are modified short stems with many fleshy leaves.
- Corms. Corms are underground stems that are vertical.
- Cladodes.
What are the plants that store food by modifying stem Write example?
The plants which store food in their stem are cactus, bamboo, pineapple, potato, ginger, onion, banana, etc. Note: The underground modification of stem is called rhizome. It is a fleshy and horizontal stem found below the surface of the soil. In these, some small nodes and internodes are found.
What are the 4 types of stems?
Decumbent: stems that lie flat on the ground and turn upwards at the ends. Fruticose: stems that grow shrublike with woody like habit. Herbaceous: non woody, they die at the end of the growing season. Internode: an interval between two successive nodes.
What are examples of modified roots?
These modified roots usually are swollen and assume different forms such as spindle shaped, e.g., radish; top shaped, e.g., beet, turnip; conelike, e.g., carrot; indefinite shape, e.g., sweet potatoes (Fig. 7.1). Dahlia, Asparagus, Portulaca are some other examples of plants with modified roots for food storage.
Is tendril a modified stem?
tendril, in botany, plant organ specialized to anchor and support vining stems. Tendrils may be modified leaves, leaflets, leaf tips, or leaf stipules; they may, however, be derived as modified stem branches (e.g., grapes).
Why flower is a modified stem?
Flower is a modified shoot because it develops in the axils of bracts like axillary shoots. New buds also develop at node inside the axils of bracts of leaves.
What are the 3 types of modified leaves?
- Tendrils. The leaves are modified into slender wiry and.
- Spines. The leaves modified into a pointed structure and usually protect them from herbivores.
- Phyllode.
- Storage leaves.
- Cotyledons.
- Leaf bladders.
- Leaf Pitcher.
What are the 3 types of stem plants?
Underground stem, Aerial stem, and subaerial stem are three different types of Stem.
Is Cactus a modified stem?
The cactus stems are modified into phylloclades. A phylloclade is a flattened stem of several internodes functioning as a leaf in some xerophytic plants. They contain chlorophyll and carry out photosynthesis. On the surface of the phylloclade, clusters of spines are formed.
Is ginger an example of 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 are 5 stem functions?
(i) It supports branches, leaves, flowers, and fruits. (ii) It transports water and minerals from the roots to the leaves and other parts of plants. (iii) It transports food from leaves to different parts of the plant. (iv) It holds the plant upright.
Is flower a modified stem?
Flowers are modified shoot parts which bear the reproductive organs of angiosperms, enabling them to carry out sexual reproduction. Flowers arise from a modified stem called the receptacle.
Is tomato a modified stem?
Tomato plants are dicots, and grow as a series of branching stems, with a terminal bud at the tip that does the actual growing.
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 modified stem?
Final answer: Corn is a fruit and not the modification of a stem.
Is potato modified stem?
Final answer: Potato is a modified stem.
What are the 5 types of modified stems?
Modified stems can be categorized into three types: Underground – Rhizome, Bulb, Corm, Tuber. Subaerial – Runner, Sucker, Offsets, Stolon. ...
- Underground Stem Modifications. As the name suggests, these are present underground.
- Subaerial Stem Modifications.
- Aerial Stem Modification.
Why is this considered a modified stem?
It conducts water, minerals, and food to other parts of the plant body through various systems. In some plants, the stem is modified to perform other functions such as storage of food, support, vegetative propagation, and protection. These are simply known as modified stems and can be categorized into various classes.
Which part of flower is modified?
The floral axis is a greatly modified stem; unlike vegetative stems, which bear leaves, it is usually contracted, so that the parts of the flower are crowded together on the stem tip, the receptacle.
What are the 5 types of leaves?
Types of Leaves
- Acicular type: They are needle-shaped.
- Linear Type: They are long and relatively broader as compared to other leaves.
- Lanceolate Type: They are lance-shaped.
- Oblong Type: They are rectangular in their shape and structure.
- Reniform type: They refer to the leaves with the shape of kidneys.
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