What is dendrochronolgy?

The branch of botany under which annul a rings of the plant are studied is called dendrochronolgy. By the elevation of number of annual rings in the plants or trees, the ages of the plants or trees are estimated exactly. ..

Types of Fruits

The fruit is usually formed in the ovary of the plant and pericarp is formed from the mature ovary walls. But in the formation of some fruits like apple, jack fruit etc, calyx, corolla, thalamus etc participate and such fruits ..

Parts of a Flower in Angiosperms

A Flower is a composite system of modified leaves and knots, which directly participates in the reproductive activity and produces fruits and seeds. Usually a flower is composed from four modified leaves which are attached to the thickened receptacle thalamus. ..

Types of Leaves in Angiosperms

Leaves prepare food for the plants. Respiratory activities are performed  by the leaves through stomata. Leaves perform the vascular and execratory activities of foodstuffs. Leave help in performing conducive reproduction and pollination. Some leaves work to store food-stuffs. Leaves undergo ..

Stem Modifications in Angiosperms

On the basis of the position of the soil, stems are of three types: Underground stem: The branch or part of the stem which intruses inside the soil is called underground stem. These  stems store the food in the stem, ..

Root Modification in Angiosperms

Roots of Angiosperms always move opposite to the sunlight. The soft parts of roots and root hairs absorb water and mineral salts from the soil. The root transports water and mineral salts to the stem and ultimately to the leaves. ..

Difference Between Monocots and Dicots

Angiosperms are classified into two categories viz. monocots and dicots. In monocots, seed has only one cotyledon while in dicots, seed has two cotyledons. The key comparisons of these two groups are as follows: The roots of monocots are lesser ..

Types of Pollination

In flowering plants, pollination refers to transferring pollen grains from the male anther of a flower to the female stigma. Pollination taking place in a single flower is called self pollination, while pollination taking place between two flowers is called ..