Class XI · Biology practice
The living World MCQs
Check your understanding, bookmark questions and revisit your mistakes.
214 questions in this collection · Page 3 of 22
Question 21 of 214
📘 CLASS XI
The Living World
Which organization provides the agreed principles and criteria for the scientific naming of plants?
Scientific names of plants are assigned according to the International Code for Botanical Nomenclature (ICBN).
Question 22 of 214
📘 CLASS XI
The Living World
Animal taxonomists have evolved which of the following codes to ensure each animal has only one scientific name?
Animal taxonomists evolved the International Code of Zoological Nomenclature (ICZN) to ensure each animal has only one scientific name.
Question 23 of 214
📘 CLASS XI
The Living World
The naming system that utilizes a two-word format (Generic name and specific epithet) was given by:
The binomial nomenclature system, which gives every organism a two-word scientific name, was introduced by Carolus Linnaeus.
Question 24 of 214
📘 CLASS XI
The Living World
In the scientific name Mangifera indica, what does the word indica represent?
In the name Mangifera indica, Mangifera is the genus and indica is the specific epithet.
Question 25 of 214
📘 CLASS XI
The Living World
According to the universal rules of nomenclature, biological names are generally derived from which language?
Biological names are generally Latin or Latinised and are printed in italics.
Question 26 of 214
📘 CLASS XI
The Living World
How should a biological name be formatted when it is handwritten?
When handwritten, both words of the scientific name are separately underlined.
Question 27 of 214
📘 CLASS XI
The Living World
Which of the following is a CORRECT rule for capitalization in binomial nomenclature?
The first word denoting the genus begins with a capital letter whereas the specific epithet begins with a small letter.
Question 28 of 214
📘 CLASS XI
The Living World
In the biological name Mangifera indica Linn., what does "Linn." signify?
The abbreviated author name after the scientific name indicates the scientist who first validly described the species.
Question 29 of 214
📘 CLASS XI
The Living World
The process by which anything is grouped into convenient categories based on easily observable characters is known as:
Classification is the process of grouping organisms into convenient categories based on observable similarities.
Question 30 of 214
📘 CLASS XI
The Living World
What is the scientific term used to refer to categories at different levels in classification (e.g., Dogs, Mammals, Plants)?
The scientific term for categories at different levels of biological classification is taxa.
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