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
Correct Answer :
C. occurrence of homologous and analogous organs
Related Questions
The age of a fossil may be determined most accurately
by comparing it to living similar forms
by radioactive dating
by rate of erosion of the strata
from the depth of strata at which it is found
The book "Origin of Species" was written by Charles Darwin in
1859
1885
1883
1897
A connecting link between Annelids and Arthropods is
Peripatus
Palaemon
Limulus
Heteronereis
A kind of mimicry which presumably works as a double insurance is
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
Fire was first used for protection and cooking by
Java man
Neanderthal man
Peking man
Cromagnon man
The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
2n = 44
2n = 46
2n = 48
none of these
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
Species were regarded as unchangeable by
Lamarck
Morgan
Charles Darwin
Many biologists of 19th century
Appearance of ancestral characters in the new born, such as tail, monstral face, gill slits, multiple mammale etc. are known as
homologous
analagous
ativistic
vestigeal
A fossil is a
laboratory preserved animal
dead animal of the past
organic relic of the past
stuffed animal
Fossil Archaeopteryx was discovered and preserved as
a petrified specimen
a mineralised specimen
a mould
embedded in amber
Connecting link between nonchordata and chordata is
Peripatus
Archaeopteryx
Tachyglossus
Balanoglossus
The first mammal arose
after the extinction of dinosaurs
before the origin of dinosaurs
along with dinosaurs
from the dinosaurs
Which animals dominated in Paleozoic era ?
Fishes
Amphibians
Reptiles
Birds
The idea of spontaneous generation is essentially correct in regard to
origin of life
evolution
mutations
embryology
Amphibians appeared and became dominant in the
Mesozoic era
Coenozoic era
Palaeozoic era
None of these
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
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
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
Which is not a vestigeal organ
Wisdom teeth
Fossa ovalis
Muscles of ear pinna
Ileum
Co-worker of Darwin was
Bateson
Mendel
Wallace
Lamarck
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
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
The earliest ancestor of horse from early Eocene period is
miobibbus
eohippus
merychippus
pliohippus
The study of Galapagos Finches shows
adaptive radiation
adaptive convergence
use and disuse of organs
none of these
The epoch of human civilisation is
Pliocene
Holocene
Pleistocene
Palaeocene
The concept of use and disuse of organs was given by
Darwin
Wallace
Mendel
Lamarck
Which were dominant during Mesozoic era
Pisces
Birds
Ruling mammals
Ruling reptiles