Algae:

Simple aquatic plants possessing chlorophyll.

Angiosperm:

Flowering plants with seeds enclosed in fruits.

Annual:

A plant which lives for only  one season.

Biennial:

A plant that lives for two seasons.

Chlorophyll:

The green pigments in green plants which help in the manufacture of food.
Read Also: Chloroplasts

Cryptogams:

Flowerless plants.

Epiphytes:

A Plant that grows upon another plant but does not derive nourishment from it.

Endosperm:

The food store in a seed outside the embryo.

Flora:

The whole assemblage of the plant life of a region.

Fungi:

simple plants without chlorophyll.

Gymnosperms:

Plants with naked seeds i.e. seeds not enclosed in fruits.

Humus:

Decaying plant or animal matter in the soil.

Hydrophyte:

A plant adopted from growth in water or in a wet soil.

Hydroponics:

A system of growing plants through water culture methods.

Hydrotropism:

Response of plant organism to moisture or water.

Parasite:

An organism that derives its nourishment from another living organisms.

Perennial:

A plant that lives for more than two years.

Phanerogams:

Flowering plants.

Photosynthesis:

A process in green plants with which food is manufactured from carbon dioxide and water in the presence of light.
Read Also: Photosynthesis

Phototropism:

An automatic response of plant organism to light.

Pollination:

The process of transference of pollen from another to stigma of flowers.

Protoplasm:

The living matter of which organism are formed.

Rust:

A disease caused by the fungus in wheat plant.

Saprophytes:

An organism living on dead or decaying organic matter.

Smut:

A disease found  in the cereals caused by a fungus.

Thallophyte:

A group of plant having simple plant body without root, stem and leaves e.g. algae, fungi, bacteria  etc.

Xerophyte:

 A plant adopted to live in dry place.
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