CBSE Questions for Class 12 Medical Biology Evolution Quiz 9 - MCQExams.com

Origin of first toothed birds and gymnosperms occurred during
  • Cretaceous
  • Jurassic
  • Triassic
  • Permian
Two species of different genealogy show resemblance due to similar adaptation. The phenomenon is 
  • Convergent evolution
  • Divergent evolution
  • Micro-evolution
  • Co-evolution
Which one is part of Palaeozoic era?
  • Devonian
  • Jurassic
  • Tertiary
  • Cretaceous
  • Tail of Rabbit
Choose the wrong pair 
  • Divergent evolution - Fore limbs of whales, bats, cheetah and human
  • Convergent evolution - Flippers of penguins and dolphins
  • Homologous structures - Vertebrate hearts
  • Analogous structures - Tendril of Bougainvillea and Cucurbita
  • Adaptive radiations - Darwin's Cinches
In which geological era did microbes originated?
  • Precambian
  • Proterozoic
  • Azoic
  • Palaeozoic
Mammal like reptiles evolved during
  • Jurassic
  • Music
  • Permian
  • Tertiary
Which one is used for knowing whether not a population is evolving?
  • Degree of isolation
  • Genetic drift
  • Hardy-Weinberg equation
  • Proportion between acquired variation and genetic variations
Match the following with reference to geological time scale 
(a)Origin of trilobites(i)Siluran
(b)Origin of ostracoderma(ii)Carboniferous
(c)Origin of fishes(iii)Cambrain
(d)Origin of amphibiana(iv)Ordocician
(e)Origin of cotylosaures(v)Devonant
  • a - iii, b - v, c - i, d- iv, e- ii
  • a - ii, b - v, c- i, d- iv m e - iii
  • a - iii, b - iv, c- ii, d - v , e - i
  • a - iii, b- iv, c- i, d- v, e- ii
The rise of first primates occurred in ...... epoch.
  • Palaeocene
  • Oligocene
  • Miocene
  • Eocene
Cenozoic era is age of
  • Fishes
  • Amphibians
  • Mammals
  • Reptiles
Origin of new species and genera is 
  • Coevolution
  • Microevolution
  • Macroevolution
  • Megaevolution
Tendrils in plants are an example of
  • Adaptive radiation
  • Coevolution
  • Convergent evolution
  • Divergent evolution
One of the following period witnessed the extinction of dinosaurs and primitive birds.
  • Cretaceous
  • Jurassic
  • Pleistocene
  • Triassic
Java Man is 
  • Pithecanthropus erectus
  • Pithecanthropus pekinensis
  • Komo rhodesiensis
  • Homo heidelbergensis
Homo erectus is the zoological name of
  • Java ape man
  • Peking man
  • Neanderthal man
  • Both A and B
Frequency of a gene in population will increase if the gene is __________.
  • Lethal
  • Dominant
  • Recessive
  • Favourably selected
Select the correct pair 
  • Adaptive radiation - Darwin's Finches
  • Connecting Link - Sewall Wright effect
  • Genetic. Drift - Peppered Moth
  • Industrial melanism - Archaeopteryx
 Which one is a match?
(i) Cenozoic: 2 - 65 mya: Origin of vertebrates
(ii) Palaeozoic: 500 - 165 mya: Rise of egg-laying mammals
(iii) Mesozoic: 135 - 225 mya: Reptiles dominant 
(iv) Proterozoic: 350 - 600 mya: Trilobites dominant.
  • i
  • ii
  • iii
  • iv
Gene pool of a population tends to remain stable if the population is large, without migration and with
  • Random mating
  • Moderate environmental changes
  • Natural selection
  • Reduction in predators
What of the following is a correct match?
  • Lamarck's theory - struggle for existence
  • Biogenetic law - Recapitulation theory
  • Lamarck's theory - Theory of continuity of germplasm
  • Darwin's theory - Use and disuse of organs
Gene frequency in a population remains stable unless and until there is :
  • Random drift
  • Random mating
  • Selection
  • Mutation
Fire was first used for protection and cooking by
  • Java man
  • Neanderthal man
  • Peking man
  • Cro-magnon man
Which of the following fossil men was expert in making tools, weapons and paintings?
  • Java ape man
  • Peking man
  • Neanderthal man
  • Cro-Magnon man
The recent ancestors of modern man were
  • Java ape man and Peking man
  • Poking man and Rhodesian man
  • Rhodesian man and Cro-Magnon man
  • Cro-Magnon and Neanderthal man
Remains of Neanderthal man were found in Neander Valley of 
  • Germany
  • France
  • England
  • Egypt
Proconsul is the other name of
  • Dryopithecus
  • Parapithecus
  • Aegyptopithecua
  • Ramapithecus
Fossil Lucy belonged to
  • Ramapithecous
  • Australopithecus
  • Dryopithecus
  • Aegyptopithecus
Human ancestors who left cave paintings were
  • Neanderthal Man
  • Cro-Magnon Man
  • Java Man
  • Peking Man
 Fossil of Neanderthal Man was first discovered in
  • 1856
  • 1868
  • 1924
  • 1994
The theory of evolution indicates that 
  • Man evolved from monkeys
  • Monkeys evolved.from man
  • Man evolved from Dinosaurs
  • Man and apes had a common ancestor
Nutritionally, Australopithecus was 
  • Omnivorous
  • Carnivorous
  • Herbivorous
  • Frugivorous
Common ancestor of apes and man is 
  • Porapithecus
  • Cro-Magnon
  • Dryopithecous
  • Australopithecus
Dryopithecus occurred about 
  • $$2.5$$ x $$ 10^6$$ years back
  • $$25$$ x $$10^6$$ years back
  • $$50$$ x $$10^6$$ years back
  • $$75$$ x $$10^6$$ years back
Man (Homo) originated in 
  • Palaeocene
  • Miocene
  • Oligocene
  • Pleistocene
Correct sequence of stages in evolution of Modern Man/Homo sapiens sapiens is
  • Australopithecus, Neanderthal Man, Cro-Magnon Man, Homo erectus, Modern Man
  • Australopithecus, Homo erectus, Neanderthal Man, Cro-Magnon Man, Modern Man
  • Neanderthal Man, Australopithecus, Cro-Magnon Man, Homo erectus, Modern Man
  • Homo erectus, Australopithecus, Neanderthal Man, Cro-Magnon Man, Modern Man
Java Ape Man was discovered by 
  • Dubois
  • Leakey
  • Cuter
  • Black
Which is the most primitive ancestor of man? 
  • Ramapithecus
  • Australopithecus
  • Homo habilis
  • Homo neanderthalensis
Pithecanthropus was discovered in
  • China
  • Germany
  • Java
  • Africa
Fossil man expert in making cave paintings and tools was 
  • Cro-Magnon Man
  • Peking Man
  • Java Man
  • Neanderthal Man
Neanderthal man lived in 
  • Desert
  • Deep forest
  • Mountains
  • Caves
Cradle of human evolution is 
  • Grassland of South Africa
  • Savannah of Central Africa
  • Subarctic Europe
  • Arabia
Who is the direct ancestor of Homo sapiens ?
  • Homo erectus
  • H.neanderthalensis
  • Ramapithecus
  • Australopithecus
Centre of human evolution was 
  • Ethiopian realm
  • Oriental realm
  • Palaeoarctic realm
  • Neotropical realm
Primitive Man who built up dwelling huts and buried its dead was 
  • Java Ape Man
  • Cro-Magnon Man
  • Peking Man
  • Neanderthal Man
Common link between apes and man was 
  • Ramapithecus
  • Dryopithecus
  • Homo erectus
  • Homo neanderthalensis
Fossil of Cro-Magnon Man was found in 
  • Shivalik-Hille - India
  • Neander-Valley - Germany
  • Africa
  • France
 Which one is closest to modern man? 
  • Cro-Magnon Man
  • Neanderthal Man
  • Homo erectus
  • Homo habilis
Taung baby is
  • Dryopithecus
  • Australopithecus
  • Peking Man
  • Piltdown Man
The earliest human has been named as 
  • Australopithecus
  • Homo erectus
  • Homo habilis
  • Homo sapiens
Hominids evolved during
  • Oligocene
  • Pliocene
  • Pleistocene
  • Miocene
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