What is called leaf?
A leaf (plural leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in “autumn foliage”, while the leaves, stem, flower, and fruit collectively form the shoot system.
What are leaves Class 1?
Leaf is a flattened structure of plant which is typically green and blade-like, that is attached to a stem. Leaves are of different shapes, sizes and texture. Some leaves are wide and hairy whereas some leaves are small and shaped like needles.
What does the leaf do?
The main function of a leaf is to produce food for the plant by photosynthesis. Chlorophyll, the substance that gives plants their characteristic green colour, absorbs light energy. The internal structure of the leaf is protected by the leaf epidermis, which is continuous with the stem epidermis.
What is a leaf class 6?
Leaf is a thin, broad, green part arising from the stem. Leaves are present on branches of the plant which are attached directly to stem. Every plant have a large number of leaves.
What is sentence of leaf?
1. The wind swept the leaves away. 2. She leaves home at 7 every day.
Why is a leaf important?
Leaves provide food and air to help a plant stay healthy and grow. Through photosynthesis, leaves turn light energy into food. Through pores, or stomata, leaves “breathe” in carbon dioxide and “breathe” out oxygen. Leaves also release excess water, much like we sweat.
What is in a leaf?
Leaves are constructed of three major parts: the petiole, the base, and the blade (Figure 1A). Generally, the largest portion of the leaf is the blade. The base is the region of the blade that attaches to the petiole, a stalk-like structure that connects the blade of the leaf to the stem of the plant.
What are 3 functions of leaf?
Main functions of leaf are: (a) The leaves make food for the plant by photosynthesis. (b) The leaves carry out the process of respiration in plants. (c) The leaves get rid of excess water from the plant through transpiration.