Class XI · Biology practice
The living World MCQs
Check your understanding, bookmark questions and revisit your mistakes.
214 questions in this collection · Page 7 of 22
Question 61 of 214
📘 CLASS XI
The Living World
Which of the following is NOT listed as a field of research spanned by Ernst Mayr's nearly 80-year career?
Mayr worked in ornithology, taxonomy, zoogeography, evolution, systematics, and the history and philosophy of biology, but not paleontology.
Question 62 of 214
📘 CLASS XI
The Living World
Ernst Mayr almost single-handedly made which of the following the central question of evolutionary biology?
Ernst Mayr made the origin of species diversity the central question of evolutionary biology.
Question 63 of 214
📘 CLASS XI
The Living World
Nomenclature (naming of living organisms) is only possible when:
Nomenclature is possible only after correct identification and description of the organism.
Question 64 of 214
📘 CLASS XI
The Living World
Animal taxonomists use the ICZN to name animals. What is a primary guarantee provided by these scientific names?
The ICZN ensures that every animal has a unique scientific name that is not shared with another organism.
Question 65 of 214
📘 CLASS XI
The Living World
In binomial nomenclature, every scientific name has two components. These are:
Each scientific name consists of a generic name followed by a specific epithet.
Question 66 of 214
📘 CLASS XI
The Living World
Why are biological names typically Latinised or derived from Latin?
Scientific names are Latin or Latinised irrespective of their original language.
Question 67 of 214
📘 CLASS XI
The Living World
When a biological name is handwritten, why are both words separately underlined?
When handwritten, scientific names are separately underlined to indicate the Latin form that would otherwise be written in italics.
Question 68 of 214
📘 CLASS XI
The Living World
In the biological name Mangifera indica Linn., what does the abbreviation "Linn." signify?
The abbreviated author name indicates that Linnaeus first validly described the species.
Question 69 of 214
📘 CLASS XI
The Living World
The process by which anything is grouped into convenient categories based on easily observable characters is called:
Classification groups organisms into convenient categories based on observable characteristics.
Question 70 of 214
📘 CLASS XI
The Living World
When using terms like Dogs, Cats, Mammals, or Wheat, what image is formed in our minds?
These terms immediately evoke a set of characteristic features associated with that group.
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