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Class 11 Biology
The Living World Chapter 1
Quiz 1
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Mixture of yeast, sugar and water was taken in a test tube. After one hour, bubbles were observed in the mixture. The formation of bubbles was due to
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Respiration
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Photosynthesis
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Digestion
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Excretion
Binomial nomenclature usually consists of words/parts of
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Five
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Two
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Three
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One
In nomenclature,
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The genus is written after the species.
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Genus and species may be of the same name.
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Both genus and species are printed in italics.
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The first letter is capital in both genus and species.
Systematics refers to the study of
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Nomenclature and identification of plants and animals
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Different kinds of organisms and their classification
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Diversity of kinds of organisms and their relationships
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Identification and classification of plants and animals
A species was defined as ‘A population of interbreeding individuals which are reproductively isolated from other populations’ by
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J. B. Lamarck
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Charles Darwin
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Ernst Mayr
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Carolus Linnaeus
Binomial nomenclature consists of two names. These are
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Family and genus
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Genus and species
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Species and variety
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Order and family
A taxon is
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Theophrastus
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Linnaeus
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R. H. Whittaker
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a taxonomic group of any rank
Explanation
a taxonomic group of any rank
All living organisms are linked to one another because
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They have common genetic material of the same type
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They share common genetic material but to varying degrees
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All have common cellular organisation
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All of the above
Explanation
All of the above
The biologist who has been called the ‘Darwin of the 20th century’ is
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R.H. Whittaker
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D.J. Ivanowsky
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Ernst Mayr
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T.O. Diemer
Explanation
Ernst Mayr
The Father of Zoology is
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Aristotle
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Theophrastus
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Lazzaro Spallanzani
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Carolus Linnaeus
Explanation
Aristotle
A group of interbreeding organisms is called a
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Genus
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Family
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Order
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Species
Explanation
Species
One of the following functions is exhibited only by green plants and not by animals.
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Growth
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Photosynthesis
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Digestion
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Response
Explanation
Photosynthesis
The main cause of extinction of species from the tropics is
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Afforestation
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Deforestation
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Pollution
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Soil erosion
Explanation
Deforestation
Binomial nomenclature was first introduced in
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Carolus Linnaeus
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Ernst Haeckel
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Gaspard Bauhin
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John Ray
Explanation
Carolus Linnaeus
The maintenance of constant temperature inside the body is an example of
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Homoeostasis
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Negative Feedback Loop
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Both A and B
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None of these
Explanation
Homoeostasis
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