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Evolution Mcq
Quiz 7
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Q.1
Homologous organs have ... .. [ AFMC 2010 ]
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a) Similar morphology
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b) Similar anatomy
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c) Different anatomy
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d) All the above
Explanation
Answer : (b)
Q.2
A very important factor in evolution of new species is ... .. [ RPMT 1998 ]
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a) Extensive inbreeding
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b) Extensive outbreeding
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c) Reproductive isolation
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d) Immigration
Explanation
Answer : (c)
Q.3
Fossils are studied for ... .. [ CET Chd. 2000 ]
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a) Tracing evolutionary history of organisms
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b) Studying extinct organisms
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c) Filling gaps in our study
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d) Providing jobs to scientists
Explanation
Answer : (b)
Q.4
Which are immortal? ... .. [ BHU 1997 ]
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a) Germ cells
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b) Somatic cells
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c) Pituitary cells
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d) Glomerular cells
Explanation
Answer : (a)
Q.5
The first organisms were ... ... [ BHU 2007 ]
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a) Chemoautotrophs
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b) Chemoheterotroph
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c) Autotrophs
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d) Eukaryotes
Explanation
Answer : (b)
Q.6
Heart of four chambered in ... ... [ AMU 2000 ]
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a) Amphibian
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b) Fishes
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c) Mammals
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d) Reptiles
Explanation
Answer : (c)
Q.7
A living connecting link which provides evidances for organic evolution ... ... [ MPPMT 2000 ]
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a) Archeopteryx between reptiles and mammals
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b) Lung fish between pisces and reptiles
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c) Duck bill Platypus between reptiles
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d) Sphenodon between reptiles and birds
Explanation
Answer : (c)
Q.8
Dinosaurs were present during the ... ... [ JKCMEE 2005 ]
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a) palaeozoic era
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b) Cenozoic era
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c) mesozoic era
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d) precambrian era
Explanation
Answer : (c)
Q.9
Inheritance of acquired characters comes under ... .. [ Odisha 2005]
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a) Darwinism
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b) Neo Darwinism
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c) Lamarckism
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d) Neo Lamarckism
Explanation
Answer : (c)
Q.10
Assertion: The earliest organisms that appeared on earth were nongreen and presumably anaerobes. Reason: The first autotrophic organisms were the chemoautotrophs that never released oxygen
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a) If both the assertion and reason are true and reason explains the assertion.
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b) If both the assertion and reason are true but reason does not explain the assertion.
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c) If assertion is true but reason is false
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d) If assertion is false but reason is true.
Explanation
Answer : (b)
Q.11
Connecting link between annelida and mollusca is ... .. [ BHU 2007 ]
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a) Nautilus
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b) Neopilina
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c) Glochidium larva
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d) Veliger larva
Explanation
Answer : (b)
Q.12
Which one is correct ... ... [ CBSE 2007]
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a) There is no evidence of presence of gills in mammalian embryos
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b) Ontogeny repeats phylogeny
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c) All plant and animal cells are totipotent
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d) Stem cells are specialized cells
Explanation
Answer : (b)
Q.13
Dinosaurs were dominant features during the period of ... ... [ JKCMEE 2002 ]
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a) Jurassic
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b) Cretaceous
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c) Triassic
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d) Palaeocene
Explanation
Answer : (a)
Q.14
Individuals of a species which occur in a particular area constitute .. .. [ BHU 1998 ]
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a) Flora
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b) Fauna
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c) Community
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d) Population
Explanation
Answer : (d)
Q.15
"Every cell of the body contributes gemmules to the germ cells and so share in the transmission of inheritances" This theory is known as ... ... [ KCET 2003 ]
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a) theory of inheritance of acquired characteristic
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b) Theory of germplasm
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c) Theory of pangenesis
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d) Theory of mutation
Explanation
Answer : (c)
Q.16
Presence of NaCl in body fluid indicates that life originated in .... ... [ MPPMT 1998 ]
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a) Primitive ocean
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b) Rain water lakes
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c) Salt solution
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d) All the above
Explanation
Answer : (a)
Q.17
Which is a pair of vestigial organs? ... ... [ AIIMS 2002 ]
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a) Coccyx and intercostal muscles
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b) Coccyx and auricular muscles
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c) Facial hairs in ladies
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d) Coccyx and premolars
Explanation
Answer : (b)
Q.18
Organic evolution is change in ... ... [ AMU 2000 ]
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a) Single individual
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b) A few members of population
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c) Major portion of population
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d) Entire population
Explanation
Answer : (c)
Q.19
Evolution will not occur if ... .. [ CPMT 1994 ]
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a) There is no environmental influence
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b) Genes are without effect
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c) Somatic variation are not heritable
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d) There is no genetic variations in individua;s of a populations
Explanation
Answer : (c)
Q.20
Rule of embryonic development was given by ... ... [ CPMT 1996 ]
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a) Von baer
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b) Haeckel
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c) Mendel
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d) Darwin
Explanation
Answer : (a)
Q.21
Chance elimination of alleles from a small population is an example of ... .. [ CPMT 2004]
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a) Adaptation
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b) Genetic drift
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c) Speciation
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d) Selection pressure
Explanation
Answer : (b)
Q.22
Fossilised faecal material are known as .. .. [ JKCMEE 2011]
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a) Coprolites
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b) Compressions
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c) Moulds
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d) Casts
Explanation
Answer : (a)
Q.23
Organic compound evolved on earth and required for origin of life were ... .. [ RPMT 2011]
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a) Protein and nucleic acids
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b) Urea and amino acid
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c) Proteins and amino acids
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d) Urea and nucleic acids
Explanation
Answer : (a)
Q.24
Fossil remains of Archaeopteryx indicates that ... ... [ BHU 1994 ]
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a) It was a flying reptile from Triassic
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b) It was a flying reptile from Permian
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c) Reptiles gace rise to birds during Permian
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d) Reptiles gave rise to birds during Jurassic
Explanation
Answer : (d)
Q.25
Mass extinction at the end of mesozoic era was probably caused by .. ... [ DPMT 2009]
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a) Continental drift
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b) Massive glaciation
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c) Collision of earth with large meteorite
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d) Change in earth's orbit
Explanation
Answer : (c)
Q.26
Which was not present freely in the early atmosphere of earth? ... .. [ AFMC 2008 ]
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a) Water
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b) Carbon monoxide
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c) Hydrogen
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d) Oxygen
Explanation
Answer : (d)
Q.27
A vestigial organ in humans is ... ... [ JKCMEE 2008]
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a) Ear pinna
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b) Nictitating membrane
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c) Mammary glands in males
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d) Knee bone
Explanation
Answer : (b)
Q.28
Gene frequency in a population remains stable unless and until there is .. ... [ BHU 1997]
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a) Random drift
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b) Random mating
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c) Selection
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d) Mutation
Explanation
Answer : (c)
Q.29
Speciation in geographically separated region is ... ... [ AFMC 2002]
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a) Sibling
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b) Geopetric
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c) Sympatric
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d) Allopatric
Explanation
Answer : (d)
Q.30
Transfer of genes from one gene pool to another is ... .. [ KCET 2001 ]
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a) Genetic drift
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b) Gene flow
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c) Speciation
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d) Mutation
Explanation
Answer : (b)
Q.31
What is correct arrangement of periods of palaeozoic era in ascending order in geological time scale?
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a) Cambrian → Devonian → Ordovician → Silurian → Carboniferous → Permian
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b) Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian
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c) Cambrian → Ordovician → Devonian → Silurian → Carboniferous → Permian
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d) Silurian → Devonian → Carboniferous → Ordovician → Permian → Carboniferous
Explanation
Answer : (b)
Q.32
Which is vestigial structure in man ... [ Chd CET 2012 ]
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a) Caecum
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b) Pinna of ear
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c) Wisdom tooth
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d) Muscles of glottis
Explanation
Answer : (c)
Q.33
Inclusive fitness theory was proposed by ... ... [ DPMT 2005 ]
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a) Hamilton
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b) Wilson
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c) William
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d) Dangeard
Explanation
Answer : (a)
Q.34
Gene pool of a population tends to remain stable if the population is large, without large scale mutation, without migration and with ... .. [ BHU 2000 ]
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a) Random mating
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b) Moderate environmental change
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c) Nature selection
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d) Reduction in predators
Explanation
Answer : (a)
Q.35
Age of fossils was previously determined by radioactive elements. more precise recent method which has led to revision of evolutionary period is ... ... [ AIIMS 2007]
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a) Study of carbohydrate and protein in fossils
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b) Study of conditions of fossilization
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c) Electron spin resonance and fossil DNA
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d) Presence of carbohydrate and protein in rocks
Explanation
Answer : (c)
Q.36
First photosynthetic organism to appear on earth were ... .. [ C.E.T. Chd 1997 ]
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a) Bacteria
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b) Green algae
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c) Cyanobacteria
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d) Bryophytes
Explanation
Answer : (a)
Q.37
Birbal Sahni Institute of Palaeobotany is located in ... ... [ BHU 2002 ]
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a) Lucknow
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b) Delhi
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c) Culcutta
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d) Jodhpur
Explanation
Answer : (a)
Q.38
Who is not related to organic evolution? ... .. [ MPPMT 1998 ]
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a) T.R. Malthus
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b) Erasmus Darwin
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c) Darlington
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d) Charles Darwin
Explanation
Answer : (c)
Q.39
Which is incorrect about protobionts in abiogenic of life? ... .. [ CBSE 2008 ]
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a) They were partially isolated from surroundings
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b) They could maintains an internal environment.
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c) They were able to reproduce.
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d) They could separate combination of molecules from the surroundings.
Explanation
Answer : (c)
Q.40
The oldest fossil record of blue green alga is 2.9 billion years old. It is ... .. [ Pb PMT 2005 ]
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a) Stromatolites
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b) Archaeopteryx
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c) Archaeospheroides
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d) Chlamydomonas
Explanation
Answer : (c)
Q.41
A compound important in prebiotic evolution was ... ... [ AIIMS 1997 ]
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a) SO2
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b) CH4
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c) SO3
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d) NO
Explanation
Answer : (b)
Q.42
Hugo de Vries worked on the plant ... .. [ BHU 1989]
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a) Garden Pea/ Pisum sativum
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b) Sweat Pea / Lathyrus odoratus
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c) Primula sinensis
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d) Evening Primrose / Oenothera lamarckiana
Explanation
Answer : (d)
Q.43
Vestiges of girdles are found in ... .. [ AMU 2010]
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a) Rattle snakes
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b) Krait
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c) Cobra
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d) Python
Explanation
Answer : (d)
Q.44
Homologous organs are ... .. [ CBSE 2002 ]
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a) Wings of insects and Bat
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b) Gills of Fish and lungs of Rabbit
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c) Pectoral fins of Fish and fore limbs of Horse
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d) Wings of Grasshopper and Crow
Explanation
Answer : (c)
Q.45
Wings of bat/bird and insect show ... .. [ MPPMT 1998 ]
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a) Analogy
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b) Homology
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c) Connecting link
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d) Atavism
Explanation
Answer : (a)
Q.46
Which one does not favour Lamarckian concept of inheritance of acquired characters? ... .. [ AIIMS 2011]
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a) Lack of pigment in cave dwellers
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b) Absence of limbs in snakes
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c) Presence of webbed toes in aquatic birds
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d) Melanisation of Peppered Moth in industrial areas
Explanation
Answer : (d)
Q.47
Jurassic period belongs to era ... ... [ kerala 2001 ]
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a) Palaeozoic
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b) Mesozoic
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c) Cenozoic
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d) Proterozoic
Explanation
Answer : (b)
Q.48
Which is the most important for origin of life? ... ... [ AFMC 1998 ]
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a) Oxygen
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b) Water
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c) Nitrogen
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d) Carbon
Explanation
Answer : (b)
Q.49
As per Allen's rule, mammals of cold regions conserve body heat through ... .. [ AMU 2009]
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a) Larger body mass
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b) Small body mass
0%
c) Longer extremities
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d) Smaller extremities
Explanation
Allen's rule. The principle holding that in a warm-blooded animal species having distinct geographic populations, the limbs, ears, and other appendages (extremities) of the animals living in cold climates tend to be shorter than in animals of the same species living in warm climates. Answer : (d)
Q.50
Fossils of organisms found in South America resemble most of the fossils in ... ... [ Odisha 2004]
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a) North America
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b) Australia
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c) South Africa
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d) Both B and C
Explanation
Answer : (b)
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