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4

Ontogeny recapitulates phylogeny is the statement relating to

A. morphology

B. physiology

C. taxonomy

D. embryology

Correct Answer :

D. embryology


Related Questions

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Some of the important evidences of organic evolution are

A. occurrence of homologous and vestigeal organs

B. occurrence of analogous and vestigial organs

C. occurrence of homologous and analogous organs

D. occurrence of analogous oragans only

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4

A kind of mimicry which presumably works as a double insurance is

A. batesian mimicry

B. mullerian mimicry

C. warning colouration

D. concealing colouration

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4

The first mammal arose

A. after the extinction of dinosaurs

B. before the origin of dinosaurs

C. along with dinosaurs

D. from the dinosaurs

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4

Human beings living in different geographical areas and under different environmental conditions are kept under one species because

A. they show adaptive variations to their environment

B. they share the common karyotype

C. they can freely interbreed and share a common gene pool

D. their features are different yet they are similar essentially

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4

Survival due to geographic isolation is best exemplified by mammalian fauna of

A. Oriental region

B. Ethiopian region

C. Australian region

D. Palaearctic region

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4

The first life on earth came in water and evidences indicate that life originated in one of the following eras :

A. Paleozoic

B. Mesozoic

C. Cenozic

D. Proterzoic

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4

The idea of spontaneous generation is essentially correct in regard to

A. origin of life

B. evolution

C. mutations

D. embryology

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The book "Origin of Species" was written by Charles Darwin in

A. 1859

B. 1885

C. 1883

D. 1897

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4

Fossil Archaeopteryx was discovered and preserved as

A. a petrified specimen

B. a mineralised specimen

C. a mould

D. embedded in amber

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4

The study of Galapagos Finches shows

A. adaptive radiation

B. adaptive convergence

C. use and disuse of organs

D. none of these

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4

Role of isolation in evolution is

A. differentiation of species

B. maintenance of species

C. evolutionary divergence

D. extermination of species

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4

The book "Voyage of the Beagle" is concerned with which one of the following ?

A. Lamarckism

B. Theory of natural selection

C. Bird flight mechanisms

D. Both and

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4

Appearance of ancestral characters in the new born, such as tail, monstral face, gill slits, multiple mammale etc. are known as

A. homologous

B. analagous

C. ativistic

D. vestigeal

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4

Amphibians appeared and became dominant in the

A. Mesozoic era

B. Coenozoic era

C. Palaeozoic era

D. None of these

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An animal is more likely to be preserved as a fossil if it contains large quantities of

A. cartilage and bone

B. proteins

C. inorganic materials

D. keratin materials

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Darwin proposed his theory of natural selection on the basis of

A. Mutation

B. Environmental factors

C. Lama's theory

D. Chromosomal aberrations

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4

Fire was first used for protection and cooking by

A. Java man

B. Neanderthal man

C. Peking man

D. Cromagnon man

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A fossil is a

A. laboratory preserved animal

B. dead animal of the past

C. organic relic of the past

D. stuffed animal

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The recent ancestors of modem man were

A. Java Ape and Peking man

B. Peking man and Rhodesian man

C. Cromagnon man and Rhodesian man

D. Cromagnon man and Neanderthal man

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The age of a fossil may be determined most accurately

A. by comparing it to living similar forms

B. by radioactive dating

C. by rate of erosion of the strata

D. from the depth of strata at which it is found

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Which were dominant during Mesozoic era

A. Pisces

B. Birds

C. Ruling mammals

D. Ruling reptiles

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4

The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is

A. 2n = 44

B. 2n = 46

C. 2n = 48

D. none of these

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4

Fossilisation occurs where

A. animals are destroyed by environment

B. animals are destroyed by scavangers

C. animals are burried by natural " processes

D. organisms are burried and preserved by natural processes

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The idea of "Survival of fittest" was given by

A. Darwin

B. Herbert Spencer

C. Mai thus

D. Lovell

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4

Which is a vestigeal organ of python

A. Nose

B. Scales

C. Teeth

D. Hindlimbs

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4

A connecting link between Annelids and Arthropods is

A. Peripatus

B. Palaemon

C. Limulus

D. Heteronereis

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4

Along with reduction in the number of toes in the modern horse, the other most significant evolutionary change is

A. increase in the size of eyes

B. increase in the size of brain

C. straightening of back

D. change in dentition from browsing to grazing

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4

The first fossil man was

A. Australopithecus

B. Homo erectus

C. Sinanthropus

D. Ginganlo pithecus

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4

The function affected by point mutation in p-globin in sickle cell anaemia is

A. protein folding

B. transcriptional control

C. nonsense mutation

D. none of these

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Which of the following gases were absent in free form when life originated on earth?

A. Oxygen

B. Hydrogen

C. Methane

D. Ammonia