Species were regarded as unchangeable by
Lamarck
Morgan
Charles Darwin
Many biologists of 19th century
Correct Answer :
D. Many biologists of 19th century
Related Questions
Which were dominant during Mesozoic era
Pisces
Birds
Ruling mammals
Ruling reptiles
Pangenesis theory was given by
Charles Darwin
Lamarck
Wsismann
Becker
The epoch of human civilisation is
Pliocene
Holocene
Pleistocene
Palaeocene
Fossilisation occurs where
animals are destroyed by environment
animals are destroyed by scavangers
animals are burried by natural " processes
organisms are burried and preserved by natural processes
A fossil is a
laboratory preserved animal
dead animal of the past
organic relic of the past
stuffed animal
A starfish with six arms, may be a case of
variation
evolution
autotomy
mutation
Which is a vestigeal organ of python
Nose
Scales
Teeth
Hindlimbs
A kind of mimicry which presumably works as a double insurance is
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
Which of these does not play a role in evolution ?
Mutation
Polyploidy
Natural selection
Acquired characters
The book "Origin of Species" was written by Charles Darwin in
1859
1885
1883
1897
In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
environmental factors
mutations
malthu's ideas on population control
all of these
The concept of use and disuse of organs was given by
Darwin
Wallace
Mendel
Lamarck
The resemblance between the south American llama and the African camel indicates a common ancestry. This is
homological evidence for evolution
palaentological evidence for evolution
biogeographic evidence for evolution
none of these
The first life on earth came in water and evidences indicate that life originated in one of the following eras :
Paleozoic
Mesozoic
Cenozic
Proterzoic
Doubis in 1891 found the fossil of Java ape man. It is
Sinanthropus pekinensis
Homoerectus
Homo rhodesiensis
Homo spisaens
The first fossil man was
Australopithecus
Homo erectus
Sinanthropus
Ginganlo pithecus
Some of the important evidences of organic evolution are
occurrence of homologous and vestigeal organs
occurrence of analogous and vestigial organs
occurrence of homologous and analogous organs
occurrence of analogous oragans only
The idea of "Survival of fittest" was given by
Darwin
Herbert Spencer
Mai thus
Lovell
Which of the following gases were absent in free form when life originated on earth?
Oxygen
Hydrogen
Methane
Ammonia
An animal is more likely to be preserved as a fossil if it contains large quantities of
cartilage and bone
proteins
inorganic materials
keratin materials
The recent ancestors of modem man were
Java Ape and Peking man
Peking man and Rhodesian man
Cromagnon man and Rhodesian man
Cromagnon man and Neanderthal man
Survival due to geographic isolation is best exemplified by mammalian fauna of
Oriental region
Ethiopian region
Australian region
Palaearctic region
The earliest ancestor of horse from early Eocene period is
miobibbus
eohippus
merychippus
pliohippus
Which animals dominated in Paleozoic era ?
Fishes
Amphibians
Reptiles
Birds
An example of analogy is
wings of a bird and butterfly
wings of pigeon and bat
limbs of horse and man
paddles of dolphin and fins of a fish
Role of isolation in evolution is
differentiation of species
maintenance of species
evolutionary divergence
extermination of species
Amphibians appeared and became dominant in the
Mesozoic era
Coenozoic era
Palaeozoic era
None of these
Fire was first used for protection and cooking by
Java man
Neanderthal man
Peking man
Cromagnon man
The study of Galapagos Finches shows
adaptive radiation
adaptive convergence
use and disuse of organs
none of these
Darwin proposed his theory of natural selection on the basis of
Mutation
Environmental factors
Lama's theory
Chromosomal aberrations