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The Living World — NEET MCQs with answers
Biology is the science of life forms and living processes, and the living world comprises an amazing diversity of living organisms. Systematic description of life forms brought in detailed systems of identification, nomenclature and classification; the branch of knowledge dealing with these is taxonomy. The recognition that all present-day organisms are related to each other and to all organisms that ever lived led to cultural movements for the conservation of biodiversity.
Topics in this chapter
- 1.1 Diversity in the Living World
- 1.2 Taxonomic Categories
Free practice questions
A student is asked to place a group that contains order Primata and order Carnivora. What is the correct category and its name?
- A. Order — Polymoniales
- B. Class — Mammalia
- C. Family — Felidae
- D. Family — Canidae
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Answer: B — A category that assembles related orders is a class; Primata and Carnivora together are placed in class Mammalia.
NCERT Class 11 Biology · Ch 1 · 1.2 Taxonomic Categories
Biological names are generally in which language?
- A. Sanskrit
- B. English
- C. Latin
- D. Greek
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Answer: C — Biological names are generally in Latin and written in italics.
NCERT Class 11 Biology · Ch 1 · 1.1 Diversity in the Living World
Which grouping shows MORE characters in common among its members?
- A. Neither shares characters
- B. Genus
- C. Family
- D. Both share equally
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Answer: B — NCERT states a genus has more characters in common while a family has still less number of similarities; hence genus members share more characters.
NCERT Class 11 Biology · Ch 1 · 1.2 Taxonomic Categories
In the name Mangifera indica Linn., where does the name of the author appear?
- A. After the specific epithet, at the end of the name
- B. Before the genus name
- C. Between the genus and specific epithet
- D. Above the genus name as a superscript
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Answer: A — NCERT: the name of the author appears after the specific epithet, i.e., at the end of the biological name, in an abbreviated form.
NCERT Class 11 Biology · Ch 1 · Diversity in the Living World
An order, being a higher category, is best described as the assemblage of:
- A. Families
- B. Classes
- C. Genera
- D. Species
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Answer: A — NCERT: order being a higher category is the assemblage of families which exhibit a few similar characters.
NCERT Class 11 Biology · Ch 1 · Taxonomic Categories
Which pair of processes is correctly matched with its NCERT definition?
- A. Identification — knowing what organism a name is attached to
- B. Taxonomy — counting species
- C. Nomenclature — grouping into categories
- D. Classification — standardising names
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Answer: A — Identification is knowing to what organism the name is attached; the other pairings are incorrect.
NCERT Class 11 Biology · Ch 1 · 1.1 Diversity in the Living World
How many different genera does NCERT place together in the family Solanaceae?
- A. Two
- B. Five
- C. Four
- D. Three
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Answer: D — NCERT places three different genera — Solanum, Petunia and Datura — in the family Solanaceae.
NCERT Class 11 Biology · Ch 1 · 1.2 Taxonomic Categories
Which of the following was Linnaeus responsible for according to NCERT 1.1?
- A. the ICZN code
- B. defining the biological species (that was Mayr)
- C. the origin of species diversity as central question (that was Mayr)
- D. the binomial naming system and the publication Systema Naturae
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Answer: D — Linnaeus gave binomial nomenclature and titled his publication Systema Naturae; the biological species definition/origin-of-diversity focus belongs to Mayr.
NCERT Class 11 Biology · Ch 1 · 1.1 Diversity in the Living World
Knowledge of characters of an individual or group helps a taxonomist to identify:
- A. Only dissimilarities
- B. Similarities and dissimilarities
- C. The market value
- D. Only similarities
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Answer: B — Knowledge of characters helps identify similarities and dissimilarities, which is the basic requirement to place an organism in categories.
NCERT Class 11 Biology · Ch 1 · 1.2 Taxonomic Categories
Which is the correct chronological/logical requirement for naming an organism?
- A. classification precedes description
- B. identification precedes nomenclature
- C. nomenclature precedes identification
- D. the two are unrelated
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Answer: B — Nomenclature is possible only after the organism is described and identified, so identification precedes nomenclature.
NCERT Class 11 Biology · Ch 1 · 1.1 Diversity in the Living World
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