CBSE Class 11 The Living World Worksheet A

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Question. Linnaeus system of classification is 
(a) Natural
(b) Artificial
(c) Phylogenetic
(d) Progressive
Answer. B

Question. The basic unit of classification is 
(a) genus
(b) species
(c) variety
(d) subspecies
Answer. B

Question. Binomial nomenclature was introduced by
(a) Linnaeus 
(b) Darwin
(c) Bentham and Hooker
(d) Aristotle
Answer. A

Question.The usage of binomial names, for plant species was accepted by all after the publication of the work by 
(a) Hooker
(b) Linnaeus
(c) Bentham
(d) Darwin
Answer. B

Question. Which one of the following is correctly matched regarding an Institute and its location? 
(a) National Institute of Virology - Pune
(b) National Institute of Communicable disease- Lucknow
(c) Central Drug Research Institute - Kasauli Institute
(d) National Institute of Nutrition - Mumbai
Answer. A

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

Question.The system of classification based on evolutionary and genetic relationships among organisms, ignoring the morphological similarities or differences, is called
(a) cladistics
(b) phenetics
(c) classical systematics
(d) new systematics
Answer. A

Question. Scientific name of Mango plant is Mangifera indica (Linn.) Santapau. In the above name Santapau refers to 
(a) Variety of Mango
(b) A taxonomist who proposed the present nomenclature in honour of Linnaeus
(c) A scientist who for the first time described Mango plant
(d) A scientist who changed the name proposed by Linnaeus and proposed present name
Answer. D

Question. The classification of Linnaeus was mainly based on
(a) Sepals
(b) Carpels
(c) Petals
(d) Stamens
Answer. D

Question. Which of the following is less general in characters as compared to genus? 
(a) Species
(b) Division
(c) Class
(d) Family
Answer. A

Question. Read the following statements
(i) Lower the taxon, more are the characteristics that the members within the taxon share.
(ii) Order is the assemblage of genera which exhibit a few similar characters.
(iii) Cat and dog are included in the same family Felidae.
(iv) Binomial Nomenclature was introduced by Carolus Linnaeus. 
Which of the following statements are NOT correct?
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)
Answer. D

Question. Choose the correct one
(i) Growth cannot be taken as a defining property of living organism.
(ii) Dead organism does not grow.
(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(iv) No non-living object is capable of replicating itself.
(v) Metabolism in a test tube is non-living.
(vi) Metabolism is a defining feature of all living organisms.
(a) (i) and (iii)
(b) All except (v)
(c) All except (iii)
(d) All of these
Answer. B

Question. Match column I with column II and choose the correct option. 
Column-I            Column-II
A. Family           I. tuberosum
B. Kingdom       II. Polymoniales
C. Order           III. Solanum
D. Species        IV. Plantae
E. Genus           V. Solanaceae
(a) A –IV; B –III; C –V; D –II; E –I
(b) A –V; B –IV; C –II; D –I; E –III
(c) A –IV; B –V; C –II; D –I; E –III
(d) A –V; B –III; C –II; D –I; E –IV
Answer. B

ASSERTION REASON QUESTIONS

Directions : These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following five responses.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
(e) If the Assertion is incorrect but the Reason is correct.

Question. Assertion: Living organisms are regarded as closed systems.
Reason: Energy of living organisms can not be lost or gained from external environment.
Answer. D

Question. Assertion: Systematics is the branch of biology that deals with classification of living organisms.
Reason: The aim of classification is to group the organisms. 
Answer. B

Directions for : Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the question on the basis of following options. You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.

Question. Assertion : Taxon and category are different things.
Reason : Category shows hierarchical classification.
Answer. A

Click on link below to download CBSE Class 11 The Living World Worksheet A.