Please refer to Chapter 1 The Living World MCQ Class 11 Biology with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 11 Biology. Students should refer to MCQ Questions for Class 11 Biology with Answers to score more marks in Grade 11 Biology exams. Students should read the chapter The Living World and then attempt the following objective questions.

MCQ Questions Class 11 Biology Chapter 1 The Living World

The Living World MCQ Class 11 Biology provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question. In taxonomy the first step is:
(a) Identification
(b) Nomenclature
(c) Classification
(d) Affinities

Question. Which of the following taxonomic categories contains organisms least similar to one another?
(a) Genera
(b) Family
(c) Class
(d) Species

Question. The suffix – inae signifies the rank:
(a) Tribe
(b) Subtribe
(c) Suborder
(d) Family

Question. Determination of age by counting growth rings falls under:
(a) Chorology
(b) Chronology
(c) Dendrology
(d) Dendrochronology

Question. The timing of seasonal activity of plants in relation to change in environmental conditions is termed as:
(a) Dendrochronology
(b) Phenology
(c) Time lapse
(d) Biological clock

Question. Few rules are written following regarding binomial nomenclature. Identity the wrong one:
(a) Biological names are latinized and written in italics
(b) Generic and specific name starts with capital letter
(c) Generic and specific name when hand written are underlined
(d) All are correct

Question. Which is not the component of taxonomy?
(a) Identification
(b) Responsiveness
(c) Nomenclature
(d) Classification

Question. Which of the following is a species?
(a) Tamarindus
(b) Homo
(c) Triticum aestivam
(d) Indica

Question. Species is considered:
(a) As basic unit of classification
(b) The largest unit of classification
(c) Artificial concept of human mind which cannot be defined in absolute terms
(d) Real unit of classification devised by taxonomists

Question. Linnaeus put similar species into a larger group called the
(a) Species
(b) Family
(c) Kingdom
(d) Genus

Question. A group of plants and animals with similar traits of any rank is
(a) Taxon
(b) Species
(c) Genus
(d) Order

Question. Indian rhinoceros is a natural inhabitant of which of the following states in India?
(a) Maharashtra
(b) Tamil Nadu
(c) Karnataka
(d) Assam

Question. What is the basis of modern taxonomic studies?
(a) external and internal structure along with the structure of cell
(b) development process of organisms
(c) ecological information of organisms
(d) all of the above

Question. Metabolism refers to
(a) Release of energy
(b) Gain of energy
(c) Catabolism
(d) Gain or release of energy

Question. The defining characteristic of living beings is
(a) They reproduce
(b) They can digest their food
(c) They respond to external stimuli
(d) They regenerate

Question. The defining characteristic of living beings is_________
(a) They can reproduce
(b) They can digest their food
(c) They can respond to external stimuli
(d) They can regenerate

Question. Which of the following organisms can sense and respond to environmental cues?
(a) Prokaryotes only
(b) eukaryotes only
(c) both a and b
(d) none of the above

Question. The term “New Systematics” was introduced by_________
(a) Bentham and Hooker
(b) Linnaeus
(c) Julian Huxley
(d) A.P. de Candolle

Question. Scientific name of plants are given by____________
(a) International code for Botanical nomenclature
(b) International code for biological plants
(c) Indian code for Botanical nomenclature
(d) International code for zoological nomenclature

Question. Binomial nomenclature was given by__________
(a) Linnaeus
(b) Hugo De Vries
(c) John Ray
(d) Huxley

Question. Identify the correct sequence of taxonomic categories
(a) species – order – kingdom – phylum
(b) order – genus – phylum – species
(c) family – species – class – genus
(d) species – genus – order – phylum

Question. Select the incorrect statement from the following
(a) ICZN stands for international code of zoological nomenclature
(b) each statement in key is known as lead
(c) taxonomic keys are tools that help in identification based on characteristics
(d) Ernst Mayr used Systema Naturae as the title of his Publication

Question. Statistical method is used in type of classification__________
(a) Phenetic
(b) Numerical
(c) Adansonian
(d) All of these

Question. Rattus rattus scientific name is an example of_________
(a) Autonyms
(b) Synonyms
(c) Tautonyms
(d) Homonyms

Question. According to Whitaker’s five kingdom classification the unicellular, non-nucleated organisms are placed in___________
(a) protista
(b) monera
(c) plantae
(d) animalia

Question. Flagella of prokaryotic and eukaryotic cells differ in_________
(a) Microtubular organization and function
(b) Type of movement and placement in cell
(c) Location in cell and mode of functioning
(d) Microtubular organization and type of movement

Question. Actinomycetes are being put under which of the following?
(a) Kingdom Fung
(b) Kingdom Monera
(c) Kingdom Pantae
(d) Kingdom Protista

Question. The most obvious and technically complicated feature of all living organisms is__________
(a) Reproduction
(b) Growth
(c) Ability of sense their environment
(d) Ability to respond physical stimuli only

Question. Nomenclature of cultivated plants are standardised through__________
(a) ICBN
(b) ICNB
(c) ICZN
(d) ICNCP

Question. The principles of which of the following taxonomic methods are also known as Adansonian principles_________
(a) Cladistics
(b) Biosystematics
(c) Phenetics
(d) Chemotaxonomy

Question. Biological concept of species was proposed by_________
(a) Linnaeus
(b) Meyer
(c) Julian Huxley
(d) John Ray

Question. Who is also called the “Darwin of the 20th century”?
(a) Lamarck
(b) Ernst Mayr
(c) Carolus Linnaeus
(d) Robert May

Question. Growth in living organisms is from
(a) outside
(b) inside
(c) both a and b
(d) none of the above

Question. In binomial nomenclature, every organism has________
(a) Two names, one latin other common
(b) Two names, one scientific other common
(c) Two names by two scientists
(d) One scientific name With two words, generic and specific

Question. Which of the following is a common feature of the category insecta?
(a) exoskeleton of cutin
(b) presence of ostium
(c) three pairs of jointed legs in the thoracic region
(d) presence of coxal gland for excretion

Question. Which of the following animals are usually stuffed and preserved?
(a) large birds
(b) mammals
(c) small lizards
(d) all of the above

Question. Which one of the following is not a correct statement?
(a) A museum has collection of photographs of plants and animals.
(b) Botanical gardens have collection of living plants for reference.
(c) Herbarium has dried, pressed and preserved plant specimens.
(d) Key is taxonomic aid for identification of specimens.

Question. Reproduction cannot be an all inclusive defining characteristic feature of living organisms because
(a) living organisms do not show growth
(b) many living organisms do not reproduce
(c) non living objects are also capable of reproducing
(d) all living organisms show a small period of reproductive phase in their life

Question. Properties of organs are
(a) present in the constituent cells
(b) due to different cells in them
(c) due to their similar origin
(d) a result of interaction among the constituent issues

Question. Which of the following terms includes all other terms?
(a) classification
(b) nomenclature
(c) taxonomy
(d) systematics

Question. The branch connected with characterisation, nomenclature, identification and classification is
(a) ecology
(b) taxonomy
(c) anatomy
(d) morphology

Question. Binomial Nomenclature was given by
(a) Ernst Mayr
(b) Lamarck
(c) Carolus Linnaeus
(d) Darwin

Question. Zoological name of leopard is
(a) Mangifera indica
(b) Solanum tuberosum
(c) Solanum melongena
(d) Panthera pardus

Question. Botanical name of makoi is
(a) Mangifera indica
(b) Solanum tuberosum
(c) Solanum melongena
(d) Solanum nigrum

Question. Which of the following is self conscious?
(a) human being
(b) salamander
(c) cat
(d) housefly

Question. What are the two components of Binomial Nomenclature?
(a) the generic name
(b) specific epithet
(c) both a and b
(d) none of the above

Question. Which of the following is self conscious?
(a) human being
(b) salamander
(c) Earthworm
(d) None of these

Question. Which ofthe following taxonomic aid provides information for the identification of names of species found in an area?
(a) Monograph
(b) Manual
(c) Flora
(d) Periodical

Question. Flora contains actual account of habitat and distribution of
(a) animals in a particular area
(b) plants in a particular area
(c) both plants and animals in a particular area
(d) none of the above

Question. What is a homonym?
(a) Identical name of two different taxa
(b) Two or more names of same taxon
(c) Name given to a taxon in local language
(d) Species name repeats the generic name

Question. Nicotiana is a ————-
(a) Species
(b) Sub-species
(c) Genus
(d) Class

Question. Which of the following are unique features of living organisms?
(a) Growth and reproduction
(b) Reproduction and ability to sense environment
(c) Metabolism and interaction
(d) All of the above

Question. In unicellular organisms, with respect to growth and reproduction following can be true.
1. Growth and Reproduction are inclusive events.
2. unicellular organisms grow by cell division.
3. Both are exclusive
(a) Only 1 correct
(b) Only 2 correct
(c) Both 1 and 2 correct
(d) Only 3 correct

Question. Non-living objects-
1. Grows from external surface by collecting substance on it.
2. Grows from internal surface like living.
3. Do not grow at all.
Which of the followings option is correct?
(a) Only 1 correct
(b) Only 2 correct
(c) Only 3 correct
(d) All 1, 2, 3 correct

Question. The fungi, the filamentous algae, the protonema of mosses, all easily multiply by _____.
(a) budding
(b) fission
(c) regeneration
(d) fragmentation

Question. The sum total of all the chemical reactions occurring in our body is known as
(a) metabolism
(b) growth
(c) regeneration
(d) reproduction

Question. Tiger, dog and cat are placed in the order
(a) primata
(b) carnivora
(c) mammalia
(d) chordata

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