Which were dominant during Mesozoic era
Pisces
Birds
Ruling mammals
Ruling reptiles
Correct Answer :
D. Ruling reptiles
Related Questions
Survival due to geographic isolation is best exemplified by mammalian fauna of
Oriental region
Ethiopian region
Australian region
Palaearctic region
The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes is
moulds
coprolites
petrified
cast
Which animals dominated in Paleozoic era ?
Fishes
Amphibians
Reptiles
Birds
A starfish with six arms, may be a case of
variation
evolution
autotomy
mutation
Which of the following gases were absent in free form when life originated on earth?
Oxygen
Hydrogen
Methane
Ammonia
Fire was first used for protection and cooking by
Java man
Neanderthal man
Peking man
Cromagnon man
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
Amphibians appeared and became dominant in the
Mesozoic era
Coenozoic era
Palaeozoic era
None of these
The concept of use and disuse of organs was given by
Darwin
Wallace
Mendel
Lamarck
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
Doubis in 1891 found the fossil of Java ape man. It is
Sinanthropus pekinensis
Homoerectus
Homo rhodesiensis
Homo spisaens
Ontogeny recapitulates phylogeny is the statement relating to
morphology
physiology
taxonomy
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
The idea of spontaneous generation is essentially correct in regard to
origin of life
evolution
mutations
embryology
The first life on earth came in water and evidences indicate that life originated in one of the following eras :
Paleozoic
Mesozoic
Cenozic
Proterzoic
A fossil is a
laboratory preserved animal
dead animal of the past
organic relic of the past
stuffed animal
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
A kind of mimicry which presumably works as a double insurance is
batesian mimicry
mullerian mimicry
warning colouration
concealing colouration
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
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 earliest ancestor of horse from early Eocene period is
miobibbus
eohippus
merychippus
pliohippus
Which were dominant during Mesozoic era
Pisces
Birds
Ruling mammals
Ruling reptiles
The idea of "Survival of fittest" was given by
Darwin
Herbert Spencer
Mai thus
Lovell
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
Geological evidence of most primitive mammals is found in
Centred Africa
China
India
Australia
The epoch of human civilisation is
Pliocene
Holocene
Pleistocene
Palaeocene
Which of these does not play a role in evolution ?
Mutation
Polyploidy
Natural selection
Acquired characters
The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
2n = 44
2n = 46
2n = 48
none of these
In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
environmental factors
mutations
malthu's ideas on population control
all of these
Co-worker of Darwin was
Bateson
Mendel
Wallace
Lamarck