Range of Thallus Structure in Algae
Algae are chlorophyll bearing autotrophic thallophytes, bounded by a cell wall. Algae represent the most diverse kingdom in…
Algae are chlorophyll bearing autotrophic thallophytes, bounded by a cell wall. Algae represent the most diverse kingdom in…
Fertilizers are of mineral origin. They are nitrogenous, phosphatic, potassium salts and salts containing other elements. Al…
The term natural or organic manure is generally used for nutrients from natural sources and fertilizers are nutrients from …
Definition: Seed is a mature ovule with embryo, seed coat and nutritive tissue. •Seed coat is called integuments. •Nutr…
Definition: It is the production of plants from vegetative parts of the plant like stem, root, leaf etc. In vegetative pro…
There are two types of germination : (a) epigeal germination (b)hypogeal germination a) Epigeal germination: Here durin…
Definition: Lichens are slow growing, long living organism formed by the symbiotic association between algae and fungi tha…
Lichens are slow growing, long living organism formed by the symbiotic association between algae and fungi that form a uniq…
Lichens are organisms formed by the symbiotic association between algae and fungi that form a unique morphology distinct fr…
In heteromerous thallus, algae and fungal components are arranged in four definite layers. Upper cortex, algal layer, medu…
Lichens are slow growing, long living organism formed by the symbiotic association between algae and fungi that form a uni…
Bryophytes are most primitive of land plants and they stand as intermediate group between green algae and higher vascula…
Algae are pigmented thallophytes. They prepare their own food materials with the help of chlorophyll and sunlight. So th…
The growth in thickness by the activity of secondary tissues is called secondary thickening Stelar secondary growth by vas…
The growth in thickness by the activity of secondary tissues is called secondary thickening Stelar secondary growth by v…
Arthur Cronquist (1919) developed comprehensive system of classification of angiosperms which deals particularly with the …
Bentham and Hooker jointly published a vast work the Genera Plantarum in which they arranged their species according to a…
Bentham and Hooker divided the Angiospermae into two classes: Dicotyledons and Monocotyledons and in between this they hav…
Bentham and Hooker’s system of classification was published as a three volumed work in Latin with the title Genera Planta…
Engler and Prantl are names associated with a system published in 1886. Like Benthem and Hooker, he conceived the…
Bessey included many fundamental dispositions of Bentham and Hooker and Engler and Prantl’s systems. Charles Bessey revol…
John Hutchinson was the author of a classification published between 1926-1934. This system appeared in two volumes “famil…
Systematic Position of Selaginella Division: Lycophyta Class: Ligulopsida Order: Selaginellales Family: Selaginellaceae…
Major Characteristics of Pteridophytes Classification of Pteridophytes Heterospory and Seed habit in Pteridophytes Hete…
Characteristics of Bryophytes Classification of Bryophytes Similarities between Algae and Bryophytes Difference…
Main characteristics of Algae Facts about Algae Economic Importance of Algae Classification of Algae by Smith Classifica…
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