Class XI · Biology practice
The living World MCQs
Check your understanding, bookmark questions and revisit your mistakes.
214 questions in this collection · Page 2 of 22
Question 11 of 214
📘 CLASS XI
The Living World
To which taxonomic Order does Homo sapiens belong?
Homo sapiens belongs to the order Primata. Hominidae is the family, Mammalia is the class and Chordata is the phylum.
Question 12 of 214
📘 CLASS XI
The Living World
What is considered the lowest category in the taxonomic hierarchy for all organisms?
Species is the basic and the lowest taxonomic category in biological classification.
Question 13 of 214
📘 CLASS XI
The Living World
What does the abbreviation ICZN stand for in taxonomy?
ICZN provides internationally accepted rules for assigning scientific names to animals.
Question 14 of 214
📘 CLASS XI
The Living World
Which set of processes is considered basic to the study of taxonomy?
These four processes together form the basic framework of taxonomy.
Question 15 of 214
📘 CLASS XI
The Living World
The earliest systems of classification developed by human beings were based on:
Early humans grouped organisms mainly according to their usefulness for food, clothing, shelter and other daily needs.
Question 16 of 214
📘 CLASS XI
The Living World
Who among the following scientists is known as 'The Darwin of the 20th century'?
Ernst Mayr, an evolutionary biologist from Harvard University, has been called 'The Darwin of the 20th century'.
Question 17 of 214
📘 CLASS XI
The Living World
Ernst Mayr was awarded the "triple crown of biology." Which of the following prizes is NOT a part of this triple crown?
The three prizes regarded as the triple crown of biology are the Balzan Prize, the International Prize for Biology, and the Crafoord Prize.
Question 18 of 214
📘 CLASS XI
The Living World
Which critical concept in evolutionary biology did Ernst Mayr pioneer?
Ernst Mayr pioneered the currently accepted definition of a biological species.
Question 19 of 214
📘 CLASS XI
The Living World
What is the currently estimated range of species that are known and described on Earth?
The number of species that are known and described ranges between 1.7 to 1.8 million.
Question 20 of 214
📘 CLASS XI
The Living World
The process of standardising the naming of living organisms such that a particular organism is known by the same name all over the world is called:
Nomenclature is the process of standardising the naming of organisms so they are known by the same name globally.
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