sidra Archive

Nomenclature

The assignment of a distinctive name to each species is called nomenclature. Problems with common names Common names have two problems: I. First, common names vary from country to country. Even they vary from region to region within a country. Some species have hundreds

Objectives OF CLASSIFICATION

Multiple Choice Questions (MCQs) I. Angiospermae is: (a) Family (b) Division (c) Class (d) Order Match Phylum with one of the following: (a) Family (h) Division (c) Class (d) Order 3. Artificial classification system was put forward by: (a) Theophrastus(b) Linnaeus (c) Jussieu (d)

SHORT QUESTIONS OF CLASSIFICATION

1.Define Classifcation Ans: The arrangement of plants into groups and sub-groups on the basis of similarities is called classification. The characters which are uses as basis of classification are called criteria of classification. 2.What are criteria of classification? Ans: The major criteria of classification

Subjective Question Of Classification

Discuss different systems of classification. Describe artificial classification of Carolus Linnaeus. Describe classification system of .fussieu. Describe classification system of Bentham and Hooker. Discuss classification system of Wilhelm Eichler. Discuss classification system of Engler and Prantle. Give classification system of Bassey and Oswald Tippo.

DEFINITIONS AND KEY POINTS FOR CLASSIFICATION

Classification The arrangement of plants into groups and sub-groups on the basis of similarities is called classification. The characters which are uses as basis of classification are called criteria of classificat ion. Artificial system The classification system based on one or two morphological characters

Bessey’s Classification system

Charles E. Bessey (1845-1915) proposed a modified system of classification of Bentham and Hooker. He separated the gymnosperms from angiosperms. He reorganized the orders of angiosperms. His system is popularly known as Besseyan system. It ssas published under the title The phylogenetic Taxonomy of

Group 11: Gymnospermae

They are shrub or trees. The trees are rdsinous. Stern has central pith. Vascular bundles are present in rings. Secondar) growth occurs due to cambium. Leaves are needle like. They form cones. Ovule is naked. It is not covered by ovary. Pollination occurs through

Classification system of Carolus Linnaeus

The classification system of Linnaeus was based on floral characteristics. He chiefly used characters of stamen’s. Therefore, his system is called sexual system. This system is very convenient for the identification of plants. I le presented his classification system in two books. These books

Classification

The arrangement of plants into groups and sub-groups on the basis of similarities is called classification. The characters which are uses as basis of classification are called criteria of classification. The major criteria of classification are morphology, anatomy, Palynology (study of pollen grains), Karyo

SHORT QUESTIONS OF Plant Systematics

      1.What is systematic?  Ans: The study of kinds and diversity of organisms and the evolutionary relationship among them is called systematic or taxonomy. 2. Is there any difference between systematic and taxonomy?  Ans: Some biologists differentiate between systematic and taxonomy.They believe: The original