MCQ Questions on Living World

MCQ Questions on Living World

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

Answer

Answer: (a) Taxon


2. Which is less general in characters as compared to genus
(a) Family
(b) Division
(c) Class
(d) Species

Answer

Answer: (d) Species


3. What is the correct sequence?
(a) Genus-species-order-kingdom
(b) Species-order-phylum-kingdom
(c) Species-genus-order-phylum
(d) Kingdom-phylum-class-order

Answer

Answer: (d) Kingdom-phylum-class-order


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

Answer

Answer: (b) Gain of energy


5. What is nomenclature?
(a) Genus name is written after species
(b) Genus and species names are written in italics
(c) Genus and species have the same name
(d) The first letter of genus and species name is capital

Answer

Answer: (b) Genus and species names are written in italics


6. The term phylum was coined by
(a) Linnaeus
(b) Cuvier
(c) Haeckel
(d) Theophrastus

Answer

Answer: (c) Haeckel


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

Answer

Answer: (a) Linnaeus


8. Species found in different geographical locations are called
(a) Sympatric species
(b) Allopatric species
(c) Sibling species
(d) Morphospecies

Answer

Answer: (b) Allopatric species


9. 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

Answer

Answer: (a) Identical name of two different taxa


10. The biologically cohesive unit of taxa is
(a) Phylum
(b) Order
(c) Genus
(d) Species

Answer

Answer: (d) Species


11. The scientific name of mango is
(a) Mangifera indica
(b) Mangifera Indica
(c) Mangifera indica
(d) Mangifera Indica

Answer

Answer: (c) Mangifera indica


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

Answer

Answer: (c) Genus


13. Energy flow and energy transformation in a living system follow
(a) Biogenetic law
(b) Law of thermodynamics
(c) Law of limiting factor
(d) Liebig’s law of minimum

Answer

Answer: (b) Law of thermodynamics


14. Energy transformation is never 100% efficient because of
(a) Catabolism
(b) Entropy
(c) Homeostasis
(d) Anabolism

Answer

Answer: (b) Entropy


15. 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

Answer

Answer: (c) They respond to external stimuli


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