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