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
Correct Answer :
A. wings of a bird and butterfly
Related Questions
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 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
Human beings living in different geographical areas and under different environmental conditions are kept under one species because
they show adaptive variations to their environment
they share the common karyotype
they can freely interbreed and share a common gene pool
their features are different yet they are similar essentially
Which of these does not play a role in evolution ?
Mutation
Polyploidy
Natural selection
Acquired characters
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
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
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
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 idea of "Survival of fittest" was given by
Darwin
Herbert Spencer
Mai thus
Lovell
Ontogeny recapitulates phylogeny is the statement relating to
morphology
physiology
taxonomy
embryology
Which is a vestigeal organ of python
Nose
Scales
Teeth
Hindlimbs
Fossil Archaeopteryx was discovered and preserved as
a petrified specimen
a mineralised specimen
a mould
embedded in amber
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 idea of spontaneous generation is essentially correct in regard to
origin of life
evolution
mutations
embryology
Survival due to geographic isolation is best exemplified by mammalian fauna of
Oriental region
Ethiopian region
Australian region
Palaearctic region
The concept of use and disuse of organs was given by
Darwin
Wallace
Mendel
Lamarck
Connecting link between nonchordata and chordata is
Peripatus
Archaeopteryx
Tachyglossus
Balanoglossus
Role of isolation in evolution is
differentiation of species
maintenance of species
evolutionary divergence
extermination of species
Peking man is known as
Homo sapiens
Pithecanthropus
Sinanthropus
None of these
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
Which is not a vestigeal organ
Wisdom teeth
Fossa ovalis
Muscles of ear pinna
Ileum
Amphibians appeared and became dominant in the
Mesozoic era
Coenozoic era
Palaeozoic era
None of these
A kind of mimicry which presumably works as a double insurance is
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
2n = 44
2n = 46
2n = 48
none of these
A connecting link between Annelids and Arthropods is
Peripatus
Palaemon
Limulus
Heteronereis
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