MCQ (Single Correct Answer)
Forelimbs of cat, lizard used in walking, forelimbs of whale used in swimming and forelimbs
of bats used in flying are an example of:
In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining
160 to aa. Based on this data, the frequency of allele A in...
The wings of a bird and the wings of an
insect are :
A population will not exist in Hardy-Weinberg equilibrium if
Industrial melanism is an example of -
Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism ?
Which of the following had the smallest brain capacity ?
Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
(a) Plants (b) Invertebrates (c) Fishe...
Select the correct statement regarding mutation theory of evolution.
The factor that leads to Founder effect in a population is :
Match List-I with List-II.
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From his experiments, S.L. Miller produced
amino acids by mixing the following in a
closed flask
Flippers of Penguins and Dolphins are
examples of
Which of the following refer to correct
example(s) of organisms which have evolved
due to changes in environment brought about
by anthropogenic action...
The concept of ''Omnis cellula-e cellula'' regarding cell division was first proposed by :
Variations caused by mutation, as proposed by Hugo de Vries, are :
Match the hominids with their correct brain size :
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In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight
between 3 to 3.3 kg survive whereas 99% of the in...
Among the following sets of examples for
divergent evolution, select the incorrect option.
The similarity of bone structure in the forelimbs
of many vertebrates is an example of
According to Hugo de Vries, the mechanism of
evolution is
Genetic drift operates in
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by
The chronological order of human evolution from early to the recent is
Which of the following is the correct sequence of events in the origin of life ?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Sy...
Which of the following structures is homologus to the wing of a bird ?
Analogous structures are a result of :
Following are the two statements regarding the origin of life -
(a) The earliest organisms that appeared on the earth were non-green and presumably an...
Random undirectional change in allele frequencies
that occur by chance in all populations and especially
in small populations is known as :-
Genetic variation in a population arises due to :
Dinosaurs dominated the World in which of the
following geological era ?
The finch species of Galapagos Islands are grouped
according to their food sources. Which of the
following is not a finch food ?
According to Darwin, the organic evolution is due to -
The tendency of population to remain in genetic equilibrium may be disturbed by :
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is
referred to as :
The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in
response to a common environmental challen...
The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function, This
is an example of :
The idea of mutations was brought forth by :
Evolution of different species in a given area starting from a point and spreading to other
geographical areas is known as
Which one of the following options gives one correct example each of convergent evolution and
divergent evolution ?
What was the most significant trend in the evolution of modern man (Homo sapiens) from his
ancestors ?
The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with
short stature, heavy eye brows, retreating fore he...
What was the most significant trend in the evolution of modern man (Homo sapiens) from his
ancestors ?
Given below are four statements (A-D) each with
one or two blanks. Select the option which
correctly fills up the blanks in two statements –
Statemen...
The most apparent changes during the
evolutionary history of Homo sapiens is traced
in
Darwin's finches are a good example of –
Peripatus is a connecting link between :
In the case of peppered moth (Biston betularia)
the black-coloured from became dominant over
the light-coloured form in England during
industrial revo...
Darwin's finches are a good example of –
Thorn of Bougainvillea and tendril of Cucurbita
are examples of:
Which one of the following is incorrect about
the characteristics of protobionts (coacervates
and microspheres) as envisaged in the abiogenic
origin o...
Which one of the following scientist's name is
correctly matched with the theory put fourth by
him?
The concept of chemical evolution is based on-
Adaptive radiation refers to:-
The finches of Galapogas islands provide an
evidence in favour of-
When two species of different genealogy come
to resemble each other as a result of adaptation,
the phenomenon is termed:-
Which one of the following statements is correct?
Which one of the following amino-acids was not
found to be synthesized in Miller's experiment ?
An important evidence in favour of organic
evolution is the occurrence of-
Praying mantis is a good example of-
Jurassic period of the Mesozoic era
characterized by-
De Vries gave his mutation theory on organic
evolution while working on -
Which one of the following experiments
suggests that simplest living organisms could
not have originated spontaneously from non-living matter ?
There are two opposing views about origin of
modern man. According to one view Homo
erectus in Asia were the ancestors of modern
man. A study of varia...
Which one of the following phenomena supports
Darwin's concept of natural selection in organic
evolution ?
Which of the following is not true for a species ?
At a particular locus, frequency of 'A' allele is
0.6 and that of 'a' is 0.4. What would be the
frequency of heterozygotes in a random mating
populati...
Which of the following is the relatively most
accurate method for dating of fossils ?
Age of fossils in the past was generally
determined by radio-carbon method and other
methods involving radioactive elements found in
the rocks. More p...
What kind of evidence suggested that man is
more closely related with chimpanzee than with
other hominoid apes ?
According to oparin, which one of the following
was not present in the primitive atmosphere of
the earth ?
Which one of the following is living fossil ?
Diversification in plant life appeared
Convergent evolution is illustrated by : -
Which one of the following sequences was
proposed by Darwin and Wallace for organic
evolution ?
Random genetic drift in a population probably
results from
Industrial melanism is an example of : -
In a random mating population in equilibrium,
which of the following brings about a change in
gene frequency in a non-directional manner : -
Darwin in his 'Natural Selection Theory' did not
believe in any role of which one of the following
in organic evolution ?
Which one of the following is categorised under
living fossils ?
Which one of the following describes correctly
the homologous structures ?
Cause of mimicry is -
There is no life on moon due to the absence of -
Which of the following is important for
speciation ?
Genetic drift oparates in : -
Which of the following are homologous organs ?
Sequence of which of the following is used to
know the phylogeny ?
According to fossils which discovered up to
present time, origin and evolution of man was
started from
In which condition, the gene ratio remains
constant for any species population ?
In which era reptiles were dominant ?
Which statement is correct about centre of origin
of plant ?
Half life period of C14 is : -
Reason of diversity in living being : -
Most abundant organic compound on earth is
Similarities in organism with different genotype
indicates : -
Which of the following is closest relative of
man ?
Which of the following is correct order of the
evolutionary history of man ?
First life on earth was : -
Forthcoming generations are less adaptive than
their parental generation due to
Occurrence of endemic species in South America
and Australia is due to
Darwins theory of pangenesis shows similarity
with theory of inheritance of acquired characters
then what shall be correct according to it
Which is not a vestigial organ in man ?
Character which is closely related to human
evolution
Which evidence of evolution related to Darwin's
finches ?
Homo sapiens have evolved in
Who is directly related to man ?
Which is the most important factor for continuity of a species from evolutionary point of view ?
MCQ (More than One Correct Answer)
Which one of the following are analogous structures?