False. Tendrils of pea is a modification of the leaf. In plants with weak stems, leaf or a part of leaf gets modified into green threadlike structures called tendrils which help in climbing around the support. Biology. Standard VI.
What is modified in pea plant?
Leaf tendrils (peas) are actually modified leaves that emerge from a leaf node.In pea plants it is only the terminal leaflets that are modified to become tendrils.
What is the modification of plant?
In some plants, the roots change their shape and get modified to absorb and transport water and minerals from the soil to different parts of the plant. They are also modified for support, food storage, and respiration. The root modifications perform two major functions- Physiological and Mechanical.
Why tendrils of pea is called modified leaves?
Whereas in some other plants like yellow vetch, the whole leaf is modified to form the tendril, and in this plant, photosynthesis is carried out by the stipules. So in so many plants, various parts are modified into tendrils, which include the leaf, upper leaflets, terminal bud, and petiole or stipules.
What modification is found in the leaves of sweet pea?
Tendrils
The modified coiled and wiry structure that provides support to plants such as sweet pea is called the tendril. Tendrils are aerial stem modifications. They may be branched or unbranched.
Which plant part is modified as tendril in pea?
Tendrils of pea is a modification of the stem. Tendrils of pea is a modification of the stem.
Which part of the pea plant is modified into tendrils?
So the correct option is ‘Terminal leaflet of compound leaf‘
What are 2 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 |
Which is a root modification?
Root modifications are the permanent change in the structure which are caused so that the plant can be able to withstand and adjust to the environment. So, the correct answer is ‘Permanent structural changes in roots’.
What is stem and its modification?
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.
Is sweet pea tendrils are modified?
Thus, the correct answer is ‘Leaflets. ‘
Do sweet peas have tendrils?
When you look at a Sweet pea, you will see the tendrils, which cling onto the plant support and look as if they are helping the plant along; they are not. The tendrils will cling onto the support but also onto other parts of the plant, which causes the plant to become twisted and bent and this mis shapes the stems.
What is tendrils in biology?
A tendril is a slender whiplike or threadlike strand, produced usually from the node of a stem, by which a vine or other plant may climb. Its anatomy may be of stem tissue or of leafstalk tissue.
Which is modified leaf?
In Nepenthes, the leaves are modified into pitchers. Hence, it is also called as pitcher plant. In Pisum sativum (pea), the upper leaflet is modified into tendril. In cactus, the leaves are modified into spine.
What is the modified leaf of a flower?
Leaf Tendrils
The leaves get modified into thread-like structures called tendrils. These tendrils climb a nearby stick or wall and provide support to the plant. For eg., In Lathyrus aphaca, the whole leaf is modified into tendrils.
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 are the types of tendrils?
There are two types of tendrils such as stem tendrils, and leaf tendrils.
What is a leaf tendril?
In botany, a tendril is a specialized stem, leaf or petiole with a threadlike shape used by climbing plants for support and attachment, as well as cellular invasion by parasitic plants such as Cuscuta. There are many plants that have tendrils; including sweet peas, passionflower, grapes and Chilean glory-flower.
What type of stem does a pea plant have?
The pea plant is a hardy leafy annual with hollow trailing or climbing stems that reach up to 1.8 metres (6 feet) in length. The stems feature terminal tendrils that facilitate climbing and bear compound leaves with three pairs of leaflets.
What plant has tendrils?
Tendrils: Peas are a good example of a plant that uses tendrils to climb. Tendrils are skinny, wiry structures along the plant’s stem that actually reach around in the air until they come into contact with something they can grab.
Are modified into tendrils in?
Thus, the correct answer is ‘Lathyrus aphaca. ‘
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