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
Correct Answer :
D. organisms are burried and preserved by natural processes
Related Questions
The first fossil man was
Australopithecus
Homo erectus
Sinanthropus
Ginganlo pithecus
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
The function affected by point mutation in p-globin in sickle cell anaemia is
protein folding
transcriptional control
nonsense mutation
none of these
Which is a vestigeal organ of python
Nose
Scales
Teeth
Hindlimbs
The epoch of human civilisation is
Pliocene
Holocene
Pleistocene
Palaeocene
The earliest ancestor of horse from early Eocene period is
miobibbus
eohippus
merychippus
pliohippus
Survival due to geographic isolation is best exemplified by mammalian fauna of
Oriental region
Ethiopian region
Australian region
Palaearctic region
Pangenesis theory was given by
Charles Darwin
Lamarck
Wsismann
Becker
Ontogeny recapitulates phylogeny is the statement relating to
morphology
physiology
taxonomy
embryology
Species were regarded as unchangeable by
Lamarck
Morgan
Charles Darwin
Many biologists of 19th century
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
Role of isolation in evolution is
differentiation of species
maintenance of species
evolutionary divergence
extermination of species
Co-worker of Darwin was
Bateson
Mendel
Wallace
Lamarck
Which were dominant during Mesozoic era
Pisces
Birds
Ruling mammals
Ruling reptiles
The concept of use and disuse of organs was given by
Darwin
Wallace
Mendel
Lamarck
A starfish with six arms, may be a case of
variation
evolution
autotomy
mutation
The first mammal arose
after the extinction of dinosaurs
before the origin of dinosaurs
along with dinosaurs
from the dinosaurs
The idea of spontaneous generation is essentially correct in regard to
origin of life
evolution
mutations
embryology
We use the term hybrid breakdown when the
offspring of hybrids are inviable or sterile
a hybrid zygote is formed but it fails to develop
hybrid adults fail to produce functional gametes
sperms and ova of different species of animals are unable to fuse
Amphibians appeared and became dominant in the
Mesozoic era
Coenozoic era
Palaeozoic era
None of these
Along with reduction in the number of toes in the modern horse, the other most significant evolutionary change is
increase in the size of eyes
increase in the size of brain
straightening of back
change in dentition from browsing to grazing
Fossil Archaeopteryx was discovered and preserved as
a petrified specimen
a mineralised specimen
a mould
embedded in amber
Peking man is known as
Homo sapiens
Pithecanthropus
Sinanthropus
None of these
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
The study of Galapagos Finches shows
adaptive radiation
adaptive convergence
use and disuse of organs
none of these
The idea of "Survival of fittest" was given by
Darwin
Herbert Spencer
Mai thus
Lovell
Fire was first used for protection and cooking by
Java man
Neanderthal man
Peking man
Cromagnon man
Which of the following gases were absent in free form when life originated on earth?
Oxygen
Hydrogen
Methane
Ammonia
Connecting link between nonchordata and chordata is
Peripatus
Archaeopteryx
Tachyglossus
Balanoglossus