A kind of mimicry which presumably works as a double insurance is
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
Correct Answer :
B. mullerian mimicry
Related Questions
The idea of spontaneous generation is essentially correct in regard to
origin of life
evolution
mutations
embryology
Which of the following gases were absent in free form when life originated on earth?
Oxygen
Hydrogen
Methane
Ammonia
Geological evidence of most primitive mammals is found in
Centred Africa
China
India
Australia
Survival due to geographic isolation is best exemplified by mammalian fauna of
Oriental region
Ethiopian region
Australian region
Palaearctic region
The book "Voyage of the Beagle" is concerned with which one of the following ?
Lamarckism
Theory of natural selection
Bird flight mechanisms
Both and
Pangenesis theory was given by
Charles Darwin
Lamarck
Wsismann
Becker
The earliest ancestor of horse from early Eocene period is
miobibbus
eohippus
merychippus
pliohippus
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
The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes is
moulds
coprolites
petrified
cast
The first mammal arose
after the extinction of dinosaurs
before the origin of dinosaurs
along with dinosaurs
from the dinosaurs
The epoch of human civilisation is
Pliocene
Holocene
Pleistocene
Palaeocene
Ontogeny recapitulates phylogeny is the statement relating to
morphology
physiology
taxonomy
embryology
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
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
Darwin proposed his theory of natural selection on the basis of
Mutation
Environmental factors
Lama's theory
Chromosomal aberrations
Fire was first used for protection and cooking by
Java man
Neanderthal man
Peking man
Cromagnon man
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
Which animals dominated in Paleozoic era ?
Fishes
Amphibians
Reptiles
Birds
A fossil is a
laboratory preserved animal
dead animal of the past
organic relic of the past
stuffed animal
Connecting link between nonchordata and chordata is
Peripatus
Archaeopteryx
Tachyglossus
Balanoglossus
Which were dominant during Mesozoic era
Pisces
Birds
Ruling mammals
Ruling reptiles
Co-worker of Darwin was
Bateson
Mendel
Wallace
Lamarck
Which is a vestigeal organ of python
Nose
Scales
Teeth
Hindlimbs
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
Species were regarded as unchangeable by
Lamarck
Morgan
Charles Darwin
Many biologists of 19th century
The first life on earth came in water and evidences indicate that life originated in one of the following eras :
Paleozoic
Mesozoic
Cenozic
Proterzoic
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
A starfish with six arms, may be a case of
variation
evolution
autotomy
mutation
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