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CBSE Class 11 (Science) The Living World & Biological Classification — practice questions — page 7

Explore 242 free The Living World & Biological Classification questions in CBSE Class 11 (Science) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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The Living World & Biological Classification questions and exercises with answers

Showing questions 181–210 of 242.

Linnaeus began consistently using one-word trivial names in which year?Read the answer and worked solution →The zoological code takes which year as its starting point?Read the answer and worked solution →Bacterial nomenclature restarted with which starting point?Read the answer and worked solution →Bison bison has two identical parts. Which code permits such names?Read the answer and worked solution →In Phlox drummondii, named after a botanist, how is drummondii written?Read the answer and worked solution →After first mention, how may a genus name be shortened?Read the answer and worked solution →What does the notation Canis spp. mean?Read the answer and worked solution →Which symbol before a binomial may show the species is extinct?Read the answer and worked solution →Passer domesticus (Linnaeus, 1758) has the authority in brackets. Why?Read the answer and worked solution →In Amaranthus retroflexus L., what does the L. stand for?Read the answer and worked solution →Names of ranks above genus, such as family, have how many parts?Read the answer and worked solution →A zoological subspecies name, such as Anthus hodgsoni berezowskii, has how many parts?Read the answer and worked solution →Which older naming system did binomial nomenclature replace?Read the answer and worked solution →When a species moves to another genus, which part of its name usually stays?Read the answer and worked solution →Who proposed the rank domain in 1990 to separate Archaea from Bacteria?Read the answer and worked solution →In the eight-rank system, which rank sits above kingdom?Read the answer and worked solution →The red fox, Vulpes vulpes, belongs to which family?Read the answer and worked solution →Organisms with cell nuclei are grouped in which domain?Read the answer and worked solution →What standard ending marks a plant family name, as in Rosaceae?Read the answer and worked solution →Which German entomologist's work gave rise to cladistics?Read the answer and worked solution →A group that includes an ancestor and all its descendants is called what?Read the answer and worked solution →Which specialised cells let Nostoc and Anabaena fix atmospheric nitrogen?Read the answer and worked solution →Which group of organisms completely lacks a cell wall and is the smallest living cell known?Read the answer and worked solution →The cell walls of diatoms are indestructible because they are embedded with which substance?Read the answer and worked solution →Diatomaceous earth, the gritty deposit of diatom walls, is used for what purpose?Read the answer and worked solution →Rapid multiplication of which protists turns sea water red and can kill fish with their toxins?Read the answer and worked solution →What forms the stiff plates on the outer surface of the dinoflagellate cell wall?Read the answer and worked solution →What replaces the cell wall in Euglena, making its body flexible?Read the answer and worked solution →What is the flagellar makeup of euglenoids?Read the answer and worked solution →How do euglenoids obtain food when kept in the dark?Read the answer and worked solution →

Worked practice questions

Linnaeus began consistently using one-word trivial names in which year?

  1. 1859
  2. 1758
  3. 1753
  4. 1735
Show answer and solution

Correct answer: C. 1753

His Species Plantarum of 1753 first used a one-word trivial name after each generic name, which is now the specific epithet.

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The zoological code takes which year as its starting point?

  1. 1980
  2. 1753
  3. 1735
  4. 1758
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Correct answer: D. 1758

Zoology starts from 1 January 1758, taken as the date of Linnaeus's Systema Naturae, 10th edition.

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Bacterial nomenclature restarted with which starting point?

  1. 1 January 1980
  2. 1 January 1753
  3. 1 January 1900
  4. 1 January 1758
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Correct answer: A. 1 January 1980

Bacteriology began anew on 1 January 1980, unlike botany and zoology which start with Linnaeus.

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