Test: Taxonomic Categories & Taxonomical Aids


15 Questions MCQ Test Biology Class 11 | Test: Taxonomic Categories & Taxonomical Aids


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QUESTION: 1

In nomenclature,

Solution:

The various conventions followed while writing Binomial nomenclature are:

  • The first letter of the genus name must be capital and the first letter of the species name must be a small letter.
  • Scientific names must be underlined separately when written by hand.
  • In printed matter, these names are printed in Italic and underlined when handwritten.

So, the correct option is 'Both genus and species are printed in italics'.

QUESTION: 2

All living organisms are linked to one another because ______ .

Solution:

All organisms share common genetic material, i.e., DNA and RNA. However, it can vary to certain degrees.

QUESTION: 3

Which among the following is not a rule for writing binomial nomenclature?

Solution:

The generic epithet should start with capital letter and specific epithet should start with small letter with a gap separating them. Nomenclature should be either derived from Latin or should be Latinized. It may also contain description about the organism like the name of the scientist who has done major works related to that organism.

QUESTION: 4

The scientific name of mango is written as Mangifera indica L. Pickup the correct statement about the significance of the letter 'L'.

Solution:

Carl Linnaeus was a Swedish botanist, physician and zoologist, who laid the foundations for the mordern biological naming scheme of biological nomenclature. He is known as the father of taxonomy and is also considered one of the fathers of modern ecology. In botany, the author abbreviation used to indicate Linnaeus as the authority for the species name. In older publications, sometimes the abbreviation "Linn" is found.

QUESTION: 5

As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics:

Solution:
  • As we go higher from species to kingdom, the number of common characteristics goes on decreasing.
  • Lower the taxa, more are the characteristics that the members within the taxon share.
  • Higher the category, greater is the difficulty of determining the relationship to other taxa at the same level.
QUESTION: 6

The term phylum in animal classification was coined by

Solution:

In 1866, Ernst Haeckel coined the term 'phylum' for the classification of animals. It is the category below the Kingdom and is made up of various classes sharing common features. The same category is called the 'division' for plant classification and this term was given by August W. Eichler in 1883.
A. Ernst Haeckel coined the term 'phylum'
B. John Ray established the category of 'species'
C. G.L. Cuvier was the proponent of catastrophism in geology in the early 19th century.
D. Carolus Linnaeus gave binomial nomenclature.
Hence, the correct answer is 'E. Haeckel'

QUESTION: 7

The correct sequence of taxonomic categories is _________________.

Solution:

There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species.
The hierarchy is Division → Class → Order → Family → Genus → Species 

QUESTION: 8

The taxon 'family' ends with

Solution:

In fungal, algal, and botanical nomenclature, the family names of plants, fungi, and algae end with the suffix "-ceae".

QUESTION: 9

Match Column I with Column II and select the correct option from the given codes:

Solution:
  • Royal Botanical Garden, Kew  - England
  • Indian Botanical Garden - Kolkata 
  • National Botanical Research Institute - Lucknow
  • Lloyd Botanical Garden - Darjeeling

So, the correct option is 'A-(ii), B-(iii), C-(i), D-(iv)'.

QUESTION: 10

Binomial nomenclature of Potato is _________

Solution:

Solanum tuberosum (Potato) (Species: Tuberosum; Genus: Solanum); Ipomoea batatas (Sweet potato) (Species: Batatas; Genus: Ipomoea); Phaseolus vulgaris (Beans) (Species: Vulgaris; Genus: Phaseolus); Daucus carota subsp. Sativus (Carrot) (Species: Carota; Genus: Daucus).

QUESTION: 11

Binomial nomenclature of Wheat is _________

Solution:

Tritica aestivum (Wheat) (Species: Aestivum; Genus: Tritica); Musca domestica (House fly) (Species: Domestica; Genus: Musca); Oryza sativa (Rice) (Species: Sativa; Genus: Oryza); Glycine max (Soybean) (Species: Max; Genus: Glycine). It’s necessary that binomial nomenclature is written in italics with generic epithet starting with capital letter and specific epithet written in small letter.

QUESTION: 12

Homo sapiens belong to the genus ________

Solution:

Since the first word in a binomial nomenclature refers to the generic epithet and the second word to generic epithet, here Homo becomes the genus and Sapiens will be the genus. Homo sapiens belong to the family Homindae and class Mammalia.

QUESTION: 13

Herbarium is a _______

Solution:

Herbarium sheets are used to preserve dried plant specimens that are pressed against the sheets and are helpful in taxonomical study. Also these are one of the most familiar taxonomical aids used by taxonomists.

QUESTION: 14

Pick the odd one out.

Solution:

Zoological parks are taxonomical aids to study and categorize animals. Herbarium, Botanical Garden and Flora are taxonomical aids to study plant kingdom.

QUESTION: 15

Cats and lions belong to the family called ________

Solution:
  • Felidae is the family to which lion, tiger, leopard and cats etc. belong to.
  • Canidae refers to the family to which wolves, dog, jackals and foxes etc. belong to.
  • Panthera refers to the genus to which lion, tiger and leopard belong to.
  • Mammalia is a class of animals which includes all the milk-feeding animals like dogs, cats, humans, bats etc.

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