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Biological Classification and Taxonomy

Questions covering taxonomic hierarchy, species concepts, kingdom characteristics, and classification systems

18 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

“Taxonomy without phylogeny is similar to bones without flesh” is the statement of

  1. Oswald Tippo
  2. John Hutchinson
  3. Takhtajan
  4. Bentham and Hooker
Question 2 Multiple Choice (Single Answer)

The volume of an average eukaryotic cell is

  1. 10 - 100 mm3
  2. 100 - 1000 mm3
  3. 200 - 2000 mm3
  4. 1000 - 10000 mm3
Question 3 Multiple Choice (Single Answer)

Species belonging to different time periods are

  1. allochronic species
  2. parapatric species
  3. synchronic species
  4. allopatric species
Question 4 Multiple Choice (Single Answer)

Nicotiona sylvestris flowers only during long days and N tabacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross-fertilised to produce self fertile offspring. What is the best reason for considering N sylvestris and N tabacum to be separate species?

  1. They cannot interbreed in nature.
  2. They are reproductively distinct.
  3. They are physiologically distinct.
  4. They are morphologically distinct.
Question 5 Multiple Choice (Single Answer)

Species belonging to different time periods are

  1. allochronic species
  2. parapatric species
  3. synchronic species
  4. allopatric species
Question 6 Multiple Choice (Single Answer)

The lowest category in taxonomic hierarchy is

  1. Phylum
  2. Subspecies
  3. Species
  4. Variety
Question 7 Multiple Choice (Single Answer)

Which one has a real existence?

  1. Phylum
  2. Class
  3. Genus
  4. Species
Question 8 Multiple Choice (Single Answer)

Heterotrophic ingestive nutrition is found in

  1. Monera
  2. Animalia
  3. Plantae
  4. Fungi
Question 9 Multiple Choice (Single Answer)

Classification reflecting the evolutionary inter relationships of organisms is called

  1. Phylogenetic classification
  2. Artificial classification
  3. Natural classification
  4. Numerical classification
Question 10 Multiple Choice (Single Answer)

Unicellular eukaryotic animals are placed in the kingdom

  1. Animalia
  2. Protista
  3. Metaphyta
  4. Monera
Question 11 Multiple Choice (Single Answer)

Find out the correct sequence in hierarchy

  1. Phylum, Class, Family, Species, Order
  2. Species, Genus, Family, Order, Class
  3. Species, Genus, Phylum, Family, Class
  4. Class, Family, Species, Genus, Order
Question 12 Multiple Choice (Single Answer)

Common names are

  1. Non-scientific
  2. Scientific
  3. Morphological
  4. Universal
Question 13 Multiple Choice (Single Answer)

Species is

  1. Specific unit of evolution
  2. Specific unit in the evolutionary history of a race
  3. Specific class of evolution
  4. Not related to evolution
Question 14 Multiple Choice (Single Answer)

The correct hierarchical order is

  1. Kingdom, genus, class, phylum and division
  2. Phylum, kingdom, genus, species and class
  3. Kingdom, phylum, class, genus and species
  4. Phylum, division, family, genus and class
Question 15 Multiple Choice (Single Answer)

Nicotiona sylvestris flowers only during long days and N tabacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross-fertilised to produce self fertile offspring. What is the best reason for considering N sylvestris and N tabacum to be separate species?

  1. They cannot interbreed in nature.
  2. They are reproductively distinct.
  3. They are physiologically distinct.
  4. They are morphologically distinct.
Question 16 Multiple Choice (Single Answer)

Number of obligate categories is

  1. 9
  2. 7
  3. 5
  4. 3
Question 17 Multiple Choice (Single Answer)

In absorptive heterotrophy

  1. Solid organic food is obtained from outside
  2. Liquid organic food is absorbed from outside
  3. Inorganic raw materials are obtained
  4. Energy is absorbed from sun
Question 18 Multiple Choice (Single Answer)

Members of Kingdom Animalia are

  1. Unicellular
  2. Multicellular
  3. Mostly unicellular, a few multicellular
  4. Mostly multicellular, a few unicellular
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