Why is sound loudest at the antinodes?
Where will a man hear the loud sound – at node or antinode? Sound is produced due to variation of pressure and it is louder where pressure variation is maximum. The strain is maximum at nodes and hence the pressure, therefore the sound is louder at nodes.
What is the reason between the two nodes?
Answer: The node is the point of attachment of leave to the stem while the internode is the distance between the two nodes. Node consists of axillary buds, which can further be developed in to flower or branches while internode act to elongate the stem.
What is the difference between petiole and node?
Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole. The petiole is the stalk connecting the leaf to the stem.
What is called petiole?
In botany, the petiole (/ˈpiːtioʊl/) is the stalk that attaches the leaf blade to the stem, and is able to twist the leaf to face the sun. Outgrowths appearing on each side of the petiole in some species are called stipules. Leaves lacking a petiole are called sessile or apetiolate.
What is the meaning of petiole?
1 : a slender stem that supports the blade of a foliage leaf. 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects.
What is the function of petiole?
A petiole attaches the leaf to the stem and contains vascular tissue that provides a connection from the stem to permit sap to enter the leaf and the products of photosynthesis (carbohydrates) to be transported from the leaf to the rest of the plant.
What are the types of petiole?
A leaf with a petiole is called petiolate and the one without it is called sessile. Winged petiole: Green, flattened petioles may be called winged petioles, e.g., Citrus and Dionaea. Tendrillar petiole: In few plants the petioles are modified into tendrils and helps the plant in climbing.
What is petiole short answer?
The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. We call the leaves that are connected to the stem through a simple petiole petiolates. In some cases, leaves are attached to the stem without a petiole, so we call them sessile.
What is the difference between petiole and peduncle?
As nouns the difference between petiole and peduncle is that petiole is (botany) the stalk of a leaf, attaching the blade to the stem while peduncle is (botany) the axis of an inflorescence; the stalk supporting an inflorescence.
Is petiole a pedicel?
The stalk that joins a leaf to the stem is called petiole and the stalk that joins flower to the stem is called pedicel.
What structures are pedicel and petiole?
Petiole is the leafstalk that connects the leaf blade to stem. Pedicel is the flower stalk which joins the flower to stem or to peduncle. Both stalks are really important in plants.
Which plant is called peduncle and pedicel?
The word “pedicel” is derived from the Latin pediculus, meaning “little foot”. The stem or branch from the main stem of the inflorescence that holds a group of pedicels is called a peduncle. A pedicel may be associated with a bract or bracts.
What is a peduncle in a flower?
Peduncle: The stalk of a flower. Receptacle: The part of a flower stalk where the parts of the flower are attached.
What is peduncle length?
peduncle length. Alternate name. PEDLN. Description. length of the region between the spike base and flag leaf.
What is the function of anther in a flower?
Parts of a flower
| Structure | Function |
|---|---|
| Stamens | The male parts of the flower (each consists of an anther held up on a filament) |
| Anthers | Produce male sex cells (pollen grains) |
| Stigma | The top of the female part of the flower which collects pollen grains |
| Ovary | Produces the female sex cells (contained in the ovules) |