What are modified stems with example?
In some plants the stems are modified to perform the function of storage of food, support, protection and vegetative propagation. 1. For food storage: Rhizome (ginger), Tuber (potato), Bulb (onion), Corm (Colocasia)….
| A. | |
| Column I (Stem modifications) | Underground stem |
| 1. | |
| Column II (Found in) | Euphorbia |
What are the function of 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.
What are the examples of modified stems and 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.
What is an example of modified?
He modified the recipe by using oil instead of butter. She has modified her views on the matter. The design was modified to add another window. We played a modified version of our favorite game.
What are 2 examples of modified leaves?
Tendrils. The leaves are modified into slender wiry and.
What are examples of modified leaves?
| Modification | Definition | Example |
|---|---|---|
| 4) Storage leaves | Leaves become fleshy due to storage of water and food material. | Aloe |
| 5) Cotyledons | The mature embryo shows either one or two cotyledons. | Angiosperms and gymnosperms |
| 6) Leaf bladders | Some of the leaves of aquatic plants modified into leaf bladders to trap small insects. | Utricularia |
Is onion 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 are the 4 types of modified stems?
Some underground modified stems are as:
- Rhizome: It is fleshy, non-green underground stem. It has distinct nodes and internodes.
- Bulb: ADVERTISEMENTS:
- Corm: It is a condensed form of rhizome growing in vertical direction.
- Tuber:
What are the types of modification?
Types of Modification
- Mutation (Incidental)
- Genetic Engineering (Intentional)
- Mutation (Incidental)
- Genetic Engineering (Intentional)
- Humans.
- Foods.
Why are different parts of plants modified?
Certain parts of a plant undergo modification in order to adapt to their surroundings and environmental conditions. These modifications help them in their survival against odds. For example, the leaves in a cactus plant are modified to spines to reduce the surface area and hence water loss by evaporation.
What is the function of modified leaf?
What is the different modification of leaves? Leaves can be modified in the form of spines that reduce water loss and also act as a defence. Some are modified into tendrils to provide support to the plant. Some leaves are thick that help in water storage.
Is onion a modified leaf or stem?
The correct answer is Stem. Onion has a modified form of stem called a bulb, or more specifically a tunic-ate bulb. In this type of modified stems, the stem is enclosed by a covering of leaves and it is underground. Nutrients for the plant are stored within the bulb.
What is an example of a modified stem?
Another example can be the runner (subaerial stem modification) which plays a part in vegetative propagation. Underground modified stems such as beetroots and potatoes act as food storage units for the plant body. 2. What are pseudobulbs?
What are the functions of modified stem of plants?
Stems of many plants are modified to perform different functions such as storage, protection, photosynthesis, support, propagation and perennation. Modifications help in better adaptation and survival.
What is the function of the stem?
The main function of the stem is to support other parts of the plant and conduction of food, water and minerals. In some plants, stems are modified, which can be aerial, subaerial or underground modifications.
What are the general functions of underground stem modifications?
The general functions of underground stem modifications are: [i] Storage of foodstuffs. [ii] They act as per-enacting organs, surviving through unfavorable conditions. [iii] They act as vegetative propagating organs. The underground stem modifications are of the following types: