Classification 1 Questions and Answers - Form 1 Biology Topical Revision
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- What is meant by the term binomial nomenclature? (1 mk)
- Give two reasons why classification is important. (2 mks)
- Explain the following terms; (3 mks)
- Binomial nomenclature.
- Ascaris lumbricoides is an example of an endoparasite. The name Ascaris refers to
- Black jack (Bidens pilosa) belong to the family compositae. What does pilosa stand for? (1 mk)
- Define the term species. (1mk)
- Distinguish between Taxonomy and taxon. (1mk)
- Give two characteristics that distinguish scientific names of organisms from the ordinary names
- Name the branch of Biology that deals with the study of animals
- The scientific name of a rat is Rattus norvegicus
- Write the name correctly
- Identify the genus and species names
- Binomial nomenclature is a system of naming organisms by giving them two scientific names, the generic and specific names.
- It makes it easier to identify an organism
- It is easier to describe an organism as it is based on characteristics of the organism
- Large number of organisms are divided into smaller groups depending on characteristics
- The whole world uses the same groupings, so everyone understands each other.
- Classification – placing of animals and plants into group according to their similarities in structure, physiological processes and ancestry.
- Taxonomy - scientific study of classification.
- Binomial nomenclature- system of naming using two names. The first part of the name represents the genus (generic name) while the second part refers to species or is the specific name.
- Specific name
- Species – A species is the smallest unit of individual organisms which has hereditary distinction from that of any other group and whose members naturally interbreed to produce fertile
- Taxonomy- Scientific study of classification Taxon- Each group of classification
- Two names i.e first genus and second species;
- Genus names starts with capital letter while species starts with small letter;
- Both names are written in italics, when printed or underlined when types or handwritten;
- Rottus norvegicus (1mk) (Genus name MUST begin with capital letter and be underlined separately)
- Genus – Rattus;
Species – norvegicus;
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