Evolution Set 5

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Evolution Set 5

Q1 | Industrial melanism is an example of
  • natural selection
  • mutation
  • adaptive convergence
  • artificial selection
Answer: adaptive convergence
Q2 | Which statement is correct ?
  • Lamarck theory – Struggle for existence
  • Darwin theory – Use and disuse of organ
  • Biogentic law – Recapitulation theory
  • Lamarck theory – Theory of continuity of germplasm
Answer: Biogentic law – Recapitulation theory
Q3 | Match the correct set._ans_key_Column I Column II_ans_key_I. Modified form of Lamarckism A. G.L. Stebbins (1950)_ans_key_II. Variation and evolution in plants B. Neo- Lamarckism_ans_key_III. Germinal selection theory C. Etienne Geoffroy_ans_key_IV. Supporter of Lamarck’s theory D. August Welsmann
  • I – A, II – B, III – C, IV – D
  • I – D, II – B, III – C, IV – A
  • I – A, II – B, III – D, IV – C
  • I – D, II – A, III – C, IV – B
Answer: I – A, II – B, III – D, IV – C
Q4 | A. Mutations occurring in the germinal cells of the gonads are called germs mutations._ans_key_R. They are heritable raw materials for natural selection lead to origin of new species.
  • If A and R both are true and R is correct explanation of A
  • If A and R both are true but R is not correct explanation of A
  • If A is true and R is wrong
  • If A is wrong and R is true
Answer: If A and R both are true and R is correct explanation of A
Q5 | A. All the finches on the Galapagos Islands descended from common ancestor.R. They show variations only in their beaks as they got adapted to different feeding habits.
  • If A and R both are true and R is correct explanation of A
  • If A and R both are true but R is not correct explanation of A
  • If A is true and R is wrong
  • If A is wrong and R is true
Answer: If A and R both are true but R is not correct explanation of A
Q6 | Cosmozoic theory was given by ______.
  • Darwin
  • Richter
  • Aristotle
  • Von Baer
Answer: Aristotle
Q7 | Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ?
  • Development of transgenic animals
  • Production of ‘Dolly’ the sheep by clothing
  • Prevalence of pesticide resistant insects
  • Development of organs from ‘stem cells’ for organ transplantation
Answer: Production of ‘Dolly’ the sheep by clothing
Q8 | Retrogressive evolution is shown by ______.
  • man
  • birds
  • tunicates
  • fish
Answer: man
Q9 | Match the correct set._ans_key_Column I Column II_ans_key_I. Fossil A. 345-405 million years ago_ans_key_II. Devonian period B. Fossillium_ans_key_III. Cambrian period C. 425-500 million years ago_ans_key_IV. Ordovician period D. 500-600 million years ago
  • I – B, II – A, III – D, IV – C
  • I – A, II – B, III – C, IV – D
  • I – B, II – C, III – D, IV – A
  • I – B, II – D, III – C, IV – A
Answer: I – B, II – A, III – D, IV – C
Q10 | A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations._ans_key_R. Small populations will, therefore, suffer more than larger ones.
  • If A and R both are true and R is correct explanation of A
  • If A and R both are true but R is not correct explanation of A
  • If A is true and R is wrong
  • If A is wrong and R is true
Answer: If A and R both are true and R is correct explanation of A
Q11 | In a population, group of individuals of similar phenotypes are formed due to differential reproduction due to
  • genetic drift
  • natural selection
  • migration
  • selective hybridization
Answer: genetic drift
Q12 | Phylogenetic evolution refers to
  • genetic relationship and evolutionary sequence
  • similar habitat
  • natural affinity of genes
  • similar character
Answer: natural affinity of genes
Q13 | Genetic drift occurs when few individuals of a colonize, the phenomenon is
  • bottleneck effect
  • assortative matin
  • founder’s effect
  • random mating
Answer: random mating
Q14 | Sympatric speciation arises due to
  • non-overlapping population of the same area
  • geographical isolation
  • overlapping population of the same area
  • non-reproductive population of the same area
Answer: non-reproductive population of the same area
Q15 | Hardy – Weinberg equilibrium is known to be effected by gene flow, genetic drift, mutation, genetic recombination and
  • evolution
  • limiting factor
  • saltation
  • natural selection
Answer: evolution
Q16 | Assertion : According to Hardy – Weinberg Equilibrium, the frequency of an allele remains the same generation after genetation. _ans_key_Reason : The only way to bring about a change is by natural selection.
  • A is correct and R is its explanation.
  • A and R both are correct but R is not an explanation to A
  • A is correct and R is false
  • A is false and R is correct
Answer: A is false and R is correct
Q17 | Which is not applicable to the Biological species concept ?
  • hybridization
  • natural population
  • reproductive isolation
  • gene pool
Answer: hybridization
Q18 | Mass extinction of the end of Mesozoic era was probably due to ?
  • continental drift
  • the collision of earth with large meteorites
  • massive glaciations
  • change in earth’s orbit
Answer: massive glaciations
Q19 | Apes share ............... blood groups with man
  • A, B, AB
  • A, B, O
  • AB, O
  • A and B only
Answer: AB, O
Q20 | Present age of human known as ______.
  • atomic age
  • iron age
  • bronze age
  • silver age
Answer: silver age
Q21 | Who was the first civilized man ?
  • Cro-magnon man
  • Neanderthal man
  • Java ape man
  • Peking man
Answer: Cro-magnon man
Q22 | Leakey and Leakey discovered the fossils of ______.
  • apeman
  • erect man
  • Peking man
  • the tool maker
Answer: apeman
Q23 | The correct sequence of course of cultural evolution from cromagnon to modern man is
  • Palaeoilthic – Mesolethic – Neolithic – Bronze – Iron – Atomic
  • Mesolethic – Bronze – Neolithic – Iron – Atomic
  • Palaeolithic – Neolithic – Iron – Bonze – Atomic
  • None above
Answer: Palaeoilthic – Mesolethic – Neolithic – Bronze – Iron – Atomic
Q24 | Neanderthal man differs from modern man is ______.
  • receeding jaw
  • protuding jaw
  • could make good tools
  • could make good picture
Answer: receeding jaw
Q25 | ‘Piltdown man’ is
  • Hemo habili
  • Eoanthropus
  • Homo sapiens
  • Pithecanthropine
Answer: Pithecanthropine
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