Category: Botany

Secretory tissue of plants (special tissues)

The tissues that are concerned with the secretion of gums, resins, volatile oils, nectars, latex and other substances are called secretory tissues. These are of...

Lichens: habitat, types and structure

Lichen is an intimate association of algae and fungi where two organisms live in close association with each other. The association is so close that...

Simple permanent tissue (plants)

A permanent tissue is a group of cells that have lost the power of cell division and growth. These cells have attained their definite form...

Xylem and its components

Xylem is a complex tissue that is mainly responsible for the conduction of water and saps inside the plant from the root up-to the top...

Sexual reproduction in yeast

Yeast is a unicellular fungus which varies in shape with the species and even within the species. They may be oval, spherical and elliptical in...

Phloem (Bast) and its elements

It is a living, non-lignified tissue which is also called bast. Its main function is to transport organic food inside the plant body from the...

Plant movements and types

Simple unicellular motile green alga, Chlamydomonas and its flagellated zoospores move from place to place but the movement of firmly rooted higher plants is of...

Self-pollination and its type

Self-pollination is the transference of pollen grains from the anther of a flower to the stigma of either the same or genetically similar flower. It...

Layering and its types

It is one of the artificial methods of asexual reproduction. In this method, the roots are developed on the stem while the stem is still...