17. Evolution

Q- The scientist associated with formulation of modern theory of origin of life and having written origin of life was
(a) Oparin (b) Huxley
(c) Lamark (d) Darwin
Ans: (a)

Q- Russian scientist who proposed the theory of origin of life was
(a) Oparin (b) Haldane
(c) Miller (d) Fox
Ans: (a)

Q- From the evolutionary point of view, which one among the following is the most primitive animal?
(a) Dolphin (b) Otter
(c) Turtle (d) Walrus
Ans: (c)

Q- The most accepted theory of origin of life is
(a) Theory of spontaneous generation
(b) Oparin – Haldane theory
(c) Theory of special creation
(d) Theory of eternity of life
Ans: (b)

Q- Which one of following is a vestigeal organ in man?
(a) Muscles ear lobe
(b) Teeth
(c) Illeum
(d) Ear lobe
Ans: (a)

Q- Evolutionary history of an organism is known as
(a) Ontogeny (b) Phylogeny
(c) Ancestry
(d) Paleontology
Ans: (b)

Q- Most important theory of general biology was proposed by
(a) Mendel and Morgan
(b) Beadle and Tatum
(c) Watson and Crick
(d) Darwin and Wallace
Ans: (d)

Q- Tusks of elephant are
(a) Cannines
(b) Upper incisors
(c) Molar
(d) Lower incisors
Ans: (d)

Q- There is no life on moon because of absence of
(a) Water (b) Oxygen
(c) Nitrogen (d) Hydrogen
Ans: (a)

Q- Evolutionary development of a species can be best studied by
(a) DNA analysis
(b) Finding age by carbon dating
(c) Studying fossils of this species
(d) All of the above
Ans: (c)

Q- Homologous organ are
(a) Similar in structure
(b) Similar in function
(c) Similar in both structure and function
(d) Dissimilar in structure
Ans: (a)

Q- ‘Ontogeny repeats phylogeny’ is the brief definition of
(a) Mutation theory
(b) Biogenetic law
(c) Darwinism
(d) Abiogenesis
Ans: (b)

Q- Who published the book ‘Origin of Species by Natural Selection in 1859’?
(a) Lamarck (b) Darwin
(c) Wallace (d) Oparin
Ans: (b)

Q- Life appeared first
(a) Soil
(b) Air
(c) Water
(d) Air and water both
Ans: (c)

Q- Which of the following features is closely related specially with the evolution of human?
(a) Loss of tail
(b) Binocular vision
(c) Flat nails
(d) Shortening of jaws
Ans: (a)

Q- A true species in Mauritius failed to reproduce because of the extinction of a fruit eating bird. Which one of the following was that bird?
(a) Dove
(b) Dodo
(c) Condor
(d) Skua
Ans: (b)

Q- The first organism were
(a) Saprophytes
(b) Autotrophs
(c) Heterotrophs
(d) None of the above
Ans: (c)

Q- Homo sapien directly evolved from
(a) Peking man
(b) Java man
(c) Neanderthal
(d) Austrolopithecus
Ans: (a)

Q- Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural selection
(d) Sexual reproduction
Ans: (a)

Q- Early atmosphere contained methane and other hydrocarbons they have been now replaced by
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Hydrogen
Ans: (c)

Q- Which of the following is most primitive ancestor of man ?
(a) Homo habilis
(b) Ramapithecus
(c) Australopithecus
(d) Homo neanderthalenis
Ans: (c)

Q- Geographic and reproductive isolation bring about
(a) Extinction
(b) Ovar production
(c) Speciation (d) Competition
Ans: (c)

Q- Wings of pigeon, bat and mosquito exhibit the phenomen on called
(a) Convergent evolution
(b) Divergent evolution
(c) Atavism
(d) All of the above
Ans: (a)

Q- Earth originated in the past period of about
(a) 4.5 billion years
(b) 8.0 billion years
(c) 3 billion years
(d) 1 billion years
Ans: (a)

Q- Gene pool is
(a) Genotype of individuals of a population
(b) Different genes of all dividuals of a species
(c) Pool of artificially synthesised genes
(d) Gene of a genome
Ans: (b)

Q- The early stage of human embryo distinctly possesses
(a) Gill (b) Gill slits
(c) External ear (d) Eyehorus
Ans: (b)

Q- Which ancestor of man for the first time began the bipedal locomotion?
(a) Cromagnon man
(b) Australopithecus
(c) Java-opeman
(d) Peking man
Ans: (b)

Q- Industrial melanism is an example of
(a) Drug resistance
(b) Darkening of skins due to smoke from industries
(c) Protective resemblance with the surroundings
(d) Defensive adoptation of skin against ultraviolet radiations
Ans: (c)

Q- Human evolution is originated in
(a) Africa (b) Jawa
(c) France (d) China
Ans: (a)

Q- Which of the following book is most accepted world wide?
(a) Philosophic zoologique
(b) Origin of life
(c) Origin of species
(d) Mutation and origin of species
Ans: (c)

Q- Convergent evolution is illustrated by
(a) Rat and dog
(b) Bacterium and protozoa
(c) Star fish and cuttle fish
(d) Dog fish and whales
Ans: (d)

Q- Natural selection really means
(a) Struggle for existence
(b) Differential reproduction
(c) Survival of the fittest
(d) Elimination of the unfit
Ans: (a)

Q- Homologous organs are
(a) Dissimilar origin and dissimilar structure
(b) Dissimilar origin but similar function
(c) Similar origin with similar or dissimilar function
(d) Similar origin with dissimilar function
Ans: (c)

Q- Analogous organs are
(a) Similar in structure
(b) Similar in function
(c) Similar in structure and function both
(d) Organ are non-function
Ans: (b)

Q- Lamarckism fail to explain
(a) Degenerate eyes of cave inhabiting animals
(b) Long neck and forelimbs of Giraffe
(c) Lack of limbs in snakes
(d) Mediocre ability of nobel laureate’s children
Ans: (d)

Q- Lamarck’s theory of evalution is also called
(a) Survival of the fittest
(b) Special creation theory
(c) Inheritance of acquired characters
(d) None of the above
Ans: (c)

Q- Which of the following all includes homologous organs?
(a) Wing of butterfly, wing of a bird, and wing of bat
(b) Fore limb of frog, wing of birds, and fore limb of rabbit
(c) Thoracic leg of cockroach, hind leg of a frog and fore limb of rabbit
(d) Wing of a bird, wing of a bat and wing of a flying lizard
Ans: (b)

Q- With reference to the evolution of living organism, which one of the following sequence is correct?
(a) Octopus — Dolphin — Shark
(b) Pangolin — Tortoise — Hawk
(c) Salamander — Python — Kangaroo
(d) Frog — Crab — Prawn
Ans: (c)

Q- Presence of gill in the tadpole of frog indicates that
(a) Fish evolved from frog like ancestor
(b) Frogs will have gills in future
(c) Frogs evolved from gilled ancestor
(d) Fishes were amphibious in the past
Ans: (c)

Q- Choose the correct sequence during formation of chemicals on early earth
(a) Ammonia, water, nucleic acid and protein
(b) Ammonia, protein, carbohydrates and nucleic acid
(c) Ammonia, nucleic acid, protein and carbohydrate
(d) Protein, carbohydrate, water and nucleic acid
Ans: (a)

Q- In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of
(a) Use and disuse of organs
(b) Adaptation to living in burrows
(c) Natural selection
(d) Inheritance of acquired characters
Ans: (a)

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