CBSE Class 11 Biology The Living World MCQs

Question : Arrange the following taxonomic categories in increasing number of common characteristics w.r.t. plant mango A. Dicotyledonae B. Polymoniales C. Mangifera D. Angiospermae E. Anacardiaceae
a) D→A→B→E→C
b) D→A→C→E→B
c) A→D→C→B→E
d) None of these
Answer : A

Question : The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
a) reproduction
b) growth and movement
c) responsiveness to touch.
d) interaction with the environment and progressive evolution
Answer : A

Question : Which one of the following animals is correctly matched with its particular named taxonomic category ?
a) Tiger - tigris, the species
b) Cuttle fish - mollusca, a class
c) Humans - primata, the family
d) Housefly - musca, an order
Answer : A

Question : Choose correct scientific name of mango
a) Mangifera indica Linn
b) Mangifera indica Hook
c) Mangifera indica L
d) Mangifera Indica
Answer : A

Question : The common characteristics between brinjal and wheat can be observed maximum at the level of their.
a) Division
b) Kingdom
c) Phylum
d) None of these
Answer : A

Question : Study of number of chromosomes for resolving difficulties in classification is used in
a) Cytotaxonomy
b) Biochemical taxonomy
c) Morphotaxonomy
d) Chemotaxonomy
Answer : A

Question : Most names in biological nomenclature of living organisms are taken from which language?
a) Latin
b) French
c) Hindi
d) German
Answer : A

Question : The main objective of plant taxonomy is
a) all of these
b) to provide Latin 'scientific' names for every group of plants in the world
c) to provide a method for identification and nomenclature
d) to study the world's flora
Answer : A

Question : Which one of the following has least similar characters?
a) Class
b) Genus
c) Species
d) Family
Answer : A

Question : The ascending or descending arrangement of taxonomic categories is called as
a) hierarchy
b) classification
c) taxonomy
d) key
Answer : A

Question : Animal taxonomists have named the animals according to
a) International code for Zoological Nomenclature
b) International classification for Zoological Nomenclature
c) Indian code for Zoology Nomenclature
d) International class for Zoology Nomenclature
Answer : A

Question : Which of the following statement is not true?
a) When the external temperature is warm, the superficial blood vessels constrict to prevent loss of body heat
b) Homeostasis is a fundamental property of life
c) Human beings are endothermic
d) None of these
Answer : A

Question : The usage of binomial names, for plant species was accepted by all after the publication of the work by
a) Linnaeus
b) Darwin
c) Hooker
d) None of these
Answer : A

Question : A taxon with reference to classification of living organisms can be defined as
a) a group of any one rank of organisms
b) a group of organisms based on chromosome numbers
c) a group of similar species
d) a group of similar genera
Answer : A

Question : Species are considered as
a) The lowest units of classification
b) Artificial concept of human mind which cannot be defined in absolute terms
c) Real basic units of classification
d) Real units of classification devised by taxonomists
Answer : A

Question : Linneaus system of classification is
a) Artificial
b) Progressive
c) Natural
d) Phylogenetic
Answer : A

Question : The book systema naturae was written by
a) Carolus Von Linnaeus
b) Hutchinson
c) Engler and Prantl
d) Bentham & Hooker
Answer : A

Question : “Ordines Anomali” of Bentham and Hooker includes :
a) A few orders which could not be placed satisfactory in the classification
b) Plants described in the literature but which Bentham and Hooker did not see in original
c) Plants represented only in fossil state
d) Seed plants showing abnormal forms of growth and development
Answer : A

Question : What is true for individuals of same species?
a) Interbreeding
b) Live in same habitat
c) Live in same niche
d) None of these
Answer : A

Question : Two similar holotypes are called
a) Isotypes
b) Syntypes
c) Neotypes
d) Mesotypes
Answer : A