Living World Quiz | Living World Objective Questions and Answers for Competitive Exams

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Questions
21 Systema Naturae was written by
A Lamarck
B Cuvier
C Aristotle
D Linnaeus

Answer: Linnaeus
22 Species are considered as
A Real basic unit of classification
B Lowest unit of classification
C Artificial concept of human mind which cannot be defined in absolute terms
D Real unit of classification devised by taxonomists

Answer: Real basic unit of classification
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23 National Botanical Research Institute located in
A Chenni
B Lucknow
C Kolkata
D Darjeeling

Answer: Lucknow
24 Which of the following has correct specific epithet
A Indica mangifera
B Leo Panthera
C Canis familiaris
D Ascris

Answer: Canis familiaris
25 Which covers the largest number of organisms
A Genus
B Family
C Phylum
D Class

Answer: Phylum
26 Binomial nomenclature consists of two words
A Genus and species
B Order and family
C Family and genus
D Species and variety

Answer: Genus and species
27 ICBN is
A International Code of Biological Naming
B International Code of Biological Nomenclature
C International Class of Biological Nomenclature
D International Classification of Biological nomenclature

Answer: International Code of Biological Nomenclature
28 Which is an exclusive trait of living things
A Isolated metabolic reactions occur in vitro
B Increase in mass from inside body
C Perception of events happening in the environment and their memory
D Increase in mass by accumulation of material both on surface as well as internally

Answer: Isolated metabolic reactions occur in vitro
29 The generic name of Mango is
A Mangifera indica
B Indica
C Mangifera
D Indica Mangifera

Answer: Mangifera
30 Sequence of taxonomic categories is
A Class – Phylum – tribe – Order – family -genus – Species
B Division – Class – Family – tribe – Order – Genus – Species
C Division – Class – Order – Family – Tribe – Genus – Species
D Phylum – Order – Class – Tribe – Family – Genus – Species

Answer: Division – Class – Order – Family – Tribe – Genus – Species
31 Animals are classified into hierarchical groups. In which one of the following the largest number of species is found.
A Genus
B Order
C Family
D Cohort

Answer: Cohort
32 Binomial nomenclature was introduced by
A De Vries
B Carolus Linnaeus
C Huxley
D John Ray

Answer: Carolus Linnaeus
33 Assertion: Death is regarded as the most regulatory process on earth. Reason: It avoids over-crowding caused by continuous reproduction
A Both Assertion and Reason are true and Reason is the correct explanation of Assertion
B The Assertion and Reason are true but Reason is not correct explanation of Assertion
C Assertion is true but, Reason is false
D Assertion is false but, Reason is true

Answer: Both Assertion and Reason are true and Reason is the correct explanation of Assertion
34 In nomenclature
A Both genus and species are printed italics
B Genus and species may be of same name
C Both in genus and species the first letter is capital
D Genus is written after the species

Answer: Both genus and species are printed italics
35 Which of the following is the hierarchical sequence
A Phylum, class, order, family
B Phylum, division, family, class
C Genus, species, order, family
D Division, order, class, genus

Answer: Phylum, class, order, family
36 Metabolism is
A Release of energy
B Gain of energy
C Release or gain of energy
D Catabolism of a reaction

Answer: Release or gain of energy
37 Linnaeus is credited with
A Binomial nomenclature
B Theory of biogenesis
C Discovery of microscope
D Discovery of blood circulation

Answer: Binomial nomenclature
38 In fish Catla catla, the specific name is identical with the generic name. It is an example of
A Autonym
B Tautonym
C Phylum
D Species

Answer: Tautonym
39 A group of plants or animals with similar traits of any rank is
A Species
B Genus
C Order
D Taxon

Answer: Tiger – tigris – the species
40 Energy transformation is never 100% efficient because of
A Catabolism
B Entropy
C Homeostasis
D Anabolism

Answer: Entropy

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