Tag: classification of organisms
Questions Related to classification of organisms
Which of the following statement is false?
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Biological names are generally written in Latin and printed in italics.
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Both the words in biological name when handwritten are jointly underlined.
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In binomial system given by Linnaeus is being practised by biologists all over the world.
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In binomial system, first component a genus and second word is specific epithet.
Option (B) is false.
Primitive man evolved in ___________
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Africa
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America
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Australia
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India
The origin of primitive man or early hominid is believed to be have happened in southwestern Africa. Several theories propose that early homo sapiens evolved in Africa, and later migrated in other parts of the world.
The correct answer is A.
In structure of an ecosystem, composition of biological communities include:
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Rate of production
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Species population, biomass, distribution
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Rate of temperature change
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Light and temperatue
Which statement best explains why invertebrates regenerate lost tissue more readily than most vertebrates do?
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Invertebrates contain specialized cells that produce the hormones necessary for this process.
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Invertebrate cells exhibit a higher degree of uncontrolled cell division than vertebrate cells do.
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Invertebrate animals reproduce asexually, but vertebrate animals reproduce sexually.
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Invertebrate animals have more undifferentiated cells than vertebrate animals have.
In a biological community, Gauze's principle explains.
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Competition among different species under unlimited resources
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Competitive exclusion of an inferior species due to the limited natural resources
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Coexistence of closely related species due to resource partitioning
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Intra specific competition due to limited natural resources
Which one of the following statements is incorrect about the occurrence of notochord?
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It is present only in larval tail in ascidian.
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It is replaced by a vertebral column in adult frog.
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It is absent throughout life in humans from the very beginning.
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It is present throughout life in Amphioxus.
Humans belong to the Phylum Chordate. Animals belonging to the Phylum Chordata possess a notochord either during early embryonic life or throughout the embryonic life. In some, it Is replaced by vertebral column. In humans, notochord is present only In the embryonic stage, it is replaced by vertebral column in the adult form.
The term Classification was coined by
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Theophrastus
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A.P.de candolle
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Aristotle
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Linnaeus
- The classification term was coined by 'Theophrastus'.
- The term taxonomy was coined by A. P. de Candolle.
- Aristotle divided animals into two groups based on whether they have red blood or not.
- Linnaeus proposed a binomial system of nomenclature.
- So, the correct option is 'Theophrastus'.
Classification deals with
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Identification of organisms
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Arranging organisms into groups
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Arranging organisms in herbaria and museums.
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Naming, identification and grouping of organisms
Term vertebrate and invertebrate are given by
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John Ray
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Linneaus
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Lamark
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Leucart
Lamarck, the French naturalist was the one who introduced the taxonomic distinction between vertebrates and invertebrates.
John ray was the first to give the definition of 'species'.
Carl Linnaeus gave the 'binomial nomenclature' for living beings.
Nerve cord is in ............ position in invertebrates.
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Dorsal
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Lateral
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Ventral
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Absent