We have compiled the NCERT MCQ Questions for Class 11 Biology Chapter 1 The Living World with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams. Refer to the The Living World Class 11 MCQs Questions with Answers here along with a detailed explanation.
The Living World Class 11 MCQs Questions with Answers
The term phylum was given by
Answer: (b) Haeckel
Binomial nomenclature was given by
(c) R. H. Whittaker
Answer: (b) Linnaeus
A group of closely related classes is called
Answer: (b) Phylum
Systematics refers to the study of
(a) Nomenclature and identification of plants and animals
(b) Different kinds of organisms and their classification
(c) Diversity of kinds of organisms and their relationships
(d) Identification and classification of plants and animals
Answer: (c) Diversity of kinds of organisms and their relationships
Basic unit or smallest taxon of taxonomy/ classification is
Answer: (a) species
In a scientific name, the name of the author is printed in
(b) Capital letters
Answer: (a) Abbreviated
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
(a) Remain same
(b) Will increase
(c) Will decrease
(d) May increase or decrease
Answer: (c) Will decrease
The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in classification of plants?
Answer: (d) Division
Phylogenetic classification is based on
(a) utilitarian system
(c) overall similarities
(d) common evolutionary descent
Answer: (d) common evolutionary descent
Example of interspecific hybrid is
(a) Liger and dog
(b) Tigon and tiger
(c) Cat and lion
(d) Tigon and liger
Answer: (d) Tigon and liger
(a) The genus is written after the species.
(b) Genus and species may not be of the same name.
(c) Both genus and species are printed in italics.
(d) The first letter is capital in both genus and species.
Answer: (c) Both genus and species are printed in italics.
The term “New Systematics” was introduced by
(a) Bentham and Hooker
(c) Julian Huxley
(d) A.P. de Candolle
Answer: (c) Julian Huxley
Binomial nomenclature was introduced by
(a) de Vries
(b) Carlous Linnaeus
(d) John Ray
Answer: (b) Carlous Linnaeus
The branch connected with nomenclature, identification and classification is
Answer: (b) Taxonomy
The Darwin of 20th century is
(b) Ernst Mayr
(c) Carolus Linnaeus
Answer: (b) Ernst Mayr
The basic unit of classification is
Answer: (a) Species
In which organism protoplasm and cellular structure is absent
Answer: (b) Virus
The highest categories of classification is
Answer: (c) Kingdom
The maintenance of constant temperature inside the body is an example of
(b) Negative feedback loop
(c) Both A and B
(d) None of these
Answer: (a) Homeostasis
Preservative liquid used for storing fleshy organs is
(b) Ethyl alcohol
(c) Acetic acid
Answer: (d) Formalin
A taxon is
(a) A type of living organism
(b) A group of related species
(c) A taxonomic group of any ranking
(d) A group of related families
Answer: (c) A taxonomic group of any ranking
“Taxonomy without phylogeny is similar to bones without flesh” is the statement of
(a) Oswald Tippo
(b) John Hutchinson
(d) Bentham and Hooker
Answer: (c) Takhtajan
System of classification used by Linnaeus was
(a) natural system
(b) artificial system
(c) phylogenetic system
(d) asexual system
Answer: (b) artificial system
In the five-kingdom system of classification, which single kingdom out of the following can include blue green algae, nitrogen-fixing bacteria and methanogenic archaebacteria?
Answer: (d) Monera
One of the following functions is exhibited only by green plants and not by animals.
Answer: (b) Photosynthesis
An important criterion for modern day classification is
(a) resemblances in morphology
(b) anatomical and physiological traits
(c) breeding habits
(d) presence or absence of notochord
Answer: (b) anatomical and physiological traits
The Father of Zoology is
(a) John Ray
(c) Carlous Linnaeus
Answer: (d) Aristotle
All living organisms are linked to one another because
(a) They have common genetic material of the same type.
(b) They share common genetic material but to varying degrees.
(c) All have common cellular organisation.
(d) All of the above.
Answer: (b) They share common genetic material but to varying degrees.
Linnaeus evolved a system of nomenclature called
Answer: (c) binomial
What is the difference between the taxonomic categories of division and phylum?
(a) Division is same as kingdom while phylum is more exclusive than division.
(b) Division is more inclusive category.
(c) Division refers to plants whereas phylum refers to animals
(d) Phylum is more inclusive category.
Answer: (c) Division refers to plants whereas phylum refers to animals
Which of the following is less general in characters as compared to genus?
Answer: (a) Species
Binomial nomenclature consists of two names. These are
(a) Family and genus
(b) Genus and species
(c) Species and variety
(d) Order and family
Answer: (b) Genus and species
A species was defined as ‘A population of interbreeding individuals which are reproductively isolated from other populations’ by
(a) J. B. Lamarck
(b) Charles Darwin
(c) Ernst Mayr
(d) Carolus Linnaeus
Answer: (c) Ernst Mayr
Artificial system of classification was first used by
(b) De Candolle
(c) Pliny the Edler
(d) Bentham and Hooker
Answer: (a) Linnaeus
A group of interbreeding organisms is called a
Answer: (b) Species
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