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CBSE
Class 11
Biology
Biology
The Living World
Question Bank

Question Bank - The Living World

Practice Hub

Question Bank: The Living World

This chapter explores the diversity of living organisms, their classification, and the significance of understanding life forms. It emphasizes the importance of taxonomy in recognizing relationships among species.

Structured practice

Question Bank - The Living World

Q1.

What is the most widely accepted definition of a biological species according to Ernst Mayr?

Single Answer MCQ
Q-00055246
View explanation
Q2.

Which system is used for the scientific naming of organisms?

Single Answer MCQ
Q-00055247
View explanation
Q3.

What is the primary purpose of biological classification?

Single Answer MCQ
Q-00055248
View explanation
Q4.

Which of the following is a correct component of binomial nomenclature?

Single Answer MCQ
Q-00055249
View explanation
Q5.

Which of the following is NOT a characteristic of living organisms?

Single Answer MCQ
Q-00055250
View explanation
Q6.

The phrase 'the biological world is full of diversity' most closely refers to which concept?

Single Answer MCQ
Q-00055251
View explanation
Q7.

What is one of the key roles of taxonomy in biology?

Single Answer MCQ
Q-00055252
View explanation
Q8.

Which of the following classifications is applied to the organism ‘Homo sapiens’?

Single Answer MCQ
Q-00055253
View explanation
Q9.

What is the basis of the hierarchy in biological classification?

Single Answer MCQ
Q-00055254
View explanation
Q10.

Which local names variation illustrates the need for standardized naming?

Single Answer MCQ
Q-00055255
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Q11.

Which of the following features is unique to prokaryotic organisms?

Single Answer MCQ
Q-00055256
View explanation
Q12.

Why is taxonomic identification crucial for biodiversity studies?

Single Answer MCQ
Q-00055257
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Q13.

A significant contribution of Ernst Mayr in taxonomy was?

Single Answer MCQ
Q-00055258
View explanation
Q14.

What does the term ‘biodiversity hotspots’ refer to?

Single Answer MCQ
Q-00055259
View explanation
Q15.

Which of the following concepts explains the shared ancestry among organisms?

Single Answer MCQ
Q-00055260
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Q16.

What is the highest taxonomic category in the classification hierarchy?

Single Answer MCQ
Q-00055261
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Q17.

Which of the following is an example of a genus?

Single Answer MCQ
Q-00055262
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Q18.

What term describes a group of similar organisms capable of interbreeding?

Single Answer MCQ
Q-00055263
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Q19.

In the scientific name Homo sapiens, what does 'Homo' represent?

Single Answer MCQ
Q-00055264
View explanation
Q20.

What term is used to describe the variety of all living organisms?

Single Answer MCQ
Q-00055265
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Q21.

Which taxonomic category is directly above 'family'?

Single Answer MCQ
Q-00055266
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Q22.

Which system classifies and names living organisms?

Single Answer MCQ
Q-00055267
View explanation
Q23.

What defines the characteristics of different taxonomic categories?

Single Answer MCQ
Q-00055268
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Q24.

Who is known for the development of the binomial nomenclature system?

Single Answer MCQ
Q-00055269
View explanation
Q25.

Which of the following categories has the most shared characteristics among its members?

Single Answer MCQ
Q-00055270
View explanation
Q26.

What does the first part of a binomial name represent?

Single Answer MCQ
Q-00055271
View explanation
Q27.

Which category comes before 'phylum' in the taxonomic hierarchy?

Single Answer MCQ
Q-00055272
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Q28.

What is the major challenge of using common names for organisms?

Single Answer MCQ
Q-00055273
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Q29.

What is the scientific study of naming and classifying organisms called?

Single Answer MCQ
Q-00055274
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Q30.

Which of the following is NOT a characteristic of living organisms?

Single Answer MCQ
Q-00055275
View explanation
Q31.

Which of the following statements about species is true?

Single Answer MCQ
Q-00055276
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Q32.

How many species are currently described by scientists?

Single Answer MCQ
Q-00055277
View explanation
Q33.

In which taxonomic category would you group the lion (Panthera leo) and tiger (Panthera tigris)?

Single Answer MCQ
Q-00055278
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Q34.

The scientific name of an organism includes two parts: genus and what?

Single Answer MCQ
Q-00055279
View explanation
Q35.

Which family does the genus Solanum belong to?

Single Answer MCQ
Q-00055280
View explanation
Q36.

Why is it essential to have a standardized nomenclature system for naming organisms?

Single Answer MCQ
Q-00055281
View explanation
Q37.

Which one of these levels is the lowest in the taxonomic hierarchy?

Single Answer MCQ
Q-00055282
View explanation
Q38.

In the context of biodiversity, what does vertical diversity refer to?

Single Answer MCQ
Q-00055283
View explanation
Q39.

How are taxonomic categories related to evolutionary relationships?

Single Answer MCQ
Q-00055284
View explanation
Q40.

Which organism is an example of a prokaryote?

Single Answer MCQ
Q-00055285
View explanation
Q41.

The term 'binomial nomenclature' refers to what?

Single Answer MCQ
Q-00055286
View explanation
Q42.

The primary goal of taxonomy is to:

Single Answer MCQ
Q-00055287
View explanation
Q43.

What distinguishes a family from a genus in taxonomy?

Single Answer MCQ
Q-00055288
View explanation
Q44.

Which one of the following statements about biological classification is correct?

Single Answer MCQ
Q-00055289
View explanation
Q45.

What is the implication of recognizing similarities among living organisms?

Single Answer MCQ
Q-00055290
View explanation
Q46.

In what way has Ernst Mayr contributed to the field of taxonomy?

Single Answer MCQ
Q-00055291
View explanation
Q47.

Which of the following best defines biodiversity?

Single Answer MCQ
Q-00103936
View explanation
Q48.

What is the primary purpose of biological classification?

Single Answer MCQ
Q-00103937
View explanation
Q49.

Which of the following correctly describes binomial nomenclature?

Single Answer MCQ
Q-00103938
View explanation
Q50.

What is a species?

Single Answer MCQ
Q-00103939
View explanation
Q51.

Which organization is responsible for the International Code of Zoological Nomenclature (ICZN)?

Single Answer MCQ
Q-00103940
View explanation
Q52.

In which habitat would you likely find the greatest diversity of species?

Single Answer MCQ
Q-00103941
View explanation
Q53.

What is the role of taxonomy in biology?

Single Answer MCQ
Q-00103942
View explanation
Q54.

Which of the following statements is true regarding scientific names?

Single Answer MCQ
Q-00103943
View explanation
Q55.

How does biodiversity contribute to ecosystem stability?

Single Answer MCQ
Q-00103944
View explanation
Q56.

Which of the following terms refers to organisms that can interbreed and produce viable offspring?

Single Answer MCQ
Q-00103945
View explanation
Q57.

How many species of organisms are estimated to exist on Earth?

Single Answer MCQ
Q-00103946
View explanation
Q58.

Which of the following is NOT a characteristic of living organisms?

Single Answer MCQ
Q-00103947
View explanation
Q59.

What is a major factor driving the need for biodiversity conservation?

Single Answer MCQ
Q-00103948
View explanation
Q60.

What does it mean when a species is described as 'endemic'?

Single Answer MCQ
Q-00103949
View explanation
Q61.

Why is the concept of phylogenetics important in understanding biological diversity?

Single Answer MCQ
Q-00103950
View explanation
Q62.

What type of biodiversity focuses on the variety of different species within a specific ecosystem?

Single Answer MCQ
Q-00103951
View explanation
Q63.

What term refers to the variety of living organisms on Earth?

Single Answer MCQ
Q-00103983
View explanation
Q64.

Who proposed the system of Binomial Nomenclature?

Single Answer MCQ
Q-00103984
View explanation
Q65.

In Binomial Nomenclature, what does the first part of the name represent?

Single Answer MCQ
Q-00103985
View explanation
Q66.

What is the primary reason for having a standardized nomenclature system in biology?

Single Answer MCQ
Q-00103986
View explanation
Q67.

Which naming convention is used for species like 'Homo sapiens'?

Single Answer MCQ
Q-00103987
View explanation
Q68.

How many species are estimated to have been described so far?

Single Answer MCQ
Q-00103988
View explanation
Q69.

What role did Ernst Mayr play in evolutionary biology?

Single Answer MCQ
Q-00103989
View explanation
Q70.

The term 'species' in biological taxonomy refers to what?

Single Answer MCQ
Q-00103990
View explanation
Q71.

Binomial names are generally derived from which language?

Single Answer MCQ
Q-00103991
View explanation
Q72.

Which of the following correctly formats a scientific name?

Single Answer MCQ
Q-00103992
View explanation
Q73.

Why is biodiversity important for ecosystems?

Single Answer MCQ
Q-00103993
View explanation
Q74.

What is Taxonomy?

Single Answer MCQ
Q-00103994
View explanation
Q75.

Among which level of the biological classification does the genus belong?

Single Answer MCQ
Q-00103995
View explanation
Q76.

Which of the following represents an advanced categorization in taxonomy?

Single Answer MCQ
Q-00103996
View explanation
Q77.

How does genetic variation contribute to biodiversity?

Single Answer MCQ
Q-00103997
View explanation
Q78.

What is a potential consequence of reduced biodiversity?

Single Answer MCQ
Q-00103998
View explanation
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