The idea of "Survival of fittest" was given by
Darwin
Herbert Spencer
Mai thus
Lovell
Correct Answer :
A. Darwin
Related Questions
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 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
Geological evidence of most primitive mammals is found in
Centred Africa
China
India
Australia
Connecting link between nonchordata and chordata is
Peripatus
Archaeopteryx
Tachyglossus
Balanoglossus
Pangenesis theory was given by
Charles Darwin
Lamarck
Wsismann
Becker
The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
2n = 44
2n = 46
2n = 48
none of these
The first fossil man was
Australopithecus
Homo erectus
Sinanthropus
Ginganlo pithecus
Doubis in 1891 found the fossil of Java ape man. It is
Sinanthropus pekinensis
Homoerectus
Homo rhodesiensis
Homo spisaens
Which of these does not play a role in evolution ?
Mutation
Polyploidy
Natural selection
Acquired characters
The first life on earth came in water and evidences indicate that life originated in one of the following eras :
Paleozoic
Mesozoic
Cenozic
Proterzoic
Which is a vestigeal organ of python
Nose
Scales
Teeth
Hindlimbs
Which animals dominated in Paleozoic era ?
Fishes
Amphibians
Reptiles
Birds
Species were regarded as unchangeable by
Lamarck
Morgan
Charles Darwin
Many biologists of 19th century
The concept of use and disuse of organs was given by
Darwin
Wallace
Mendel
Lamarck
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
The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes is
moulds
coprolites
petrified
cast
The idea of "Survival of fittest" was given by
Darwin
Herbert Spencer
Mai thus
Lovell
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
A starfish with six arms, may be a case of
variation
evolution
autotomy
mutation
The function affected by point mutation in p-globin in sickle cell anaemia is
protein folding
transcriptional control
nonsense mutation
none of these
Survival due to geographic isolation is best exemplified by mammalian fauna of
Oriental region
Ethiopian region
Australian region
Palaearctic region
The epoch of human civilisation is
Pliocene
Holocene
Pleistocene
Palaeocene
The first mammal arose
after the extinction of dinosaurs
before the origin of dinosaurs
along with dinosaurs
from the dinosaurs
A connecting link between Annelids and Arthropods is
Peripatus
Palaemon
Limulus
Heteronereis
Darwin proposed his theory of natural selection on the basis of
Mutation
Environmental factors
Lama's theory
Chromosomal aberrations
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
Ontogeny recapitulates phylogeny is the statement relating to
morphology
physiology
taxonomy
embryology
A kind of mimicry which presumably works as a double insurance is
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
The study of Galapagos Finches shows
adaptive radiation
adaptive convergence
use and disuse of organs
none of these
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