1
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 population is :
2
Forelimbs of cat, lizard used in walking, forelimbs of whale used in swimming and forelimbs
of bats used in flying are an example of:
3
Which of the following had the smallest brain capacity ?
NEET 2015 Cancelled Paper
4
Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism ?
NEET 2015 Cancelled Paper
5
Industrial melanism is an example of -
6
A population will not exist in Hardy-Weinberg equilibrium if
NEET 2015 Cancelled Paper
7
The wings of a bird and the wings of an
insect are :
23
The factor that leads to Founder effect in a population is :
25
Embryological support for evolution was
disapproved by
26
From his experiments, S.L. Miller produced
amino acids by mixing the following in a
closed flask
27
Flippers of Penguins and Dolphins are
examples of
28
Which of the following refer to correct
example(s) of organisms which have evolved
due to changes in environment brought about
by anthropogenic action?
(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated
animals like dogs.
29
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 infants born with weights from 2 to 2.5 kg or 4.5 to 5kg die.
Which type of selection process is taking place?
31
Variations caused by mutation, as proposed by Hugo de Vries, are :
32
The concept of ''Omnis cellula-e cellula'' regarding cell division was first proposed by :
33
According to Hugo de Vries, the mechanism of
evolution is
34
The similarity of bone structure in the forelimbs
of many vertebrates is an example of
35
Among the following sets of examples for
divergent evolution, select the incorrect option.
36
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by
37
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. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
38
The chronological order of human evolution from early to the recent is
39
Genetic drift operates in
40
Analogous structures are a result of :
41
Which of the following structures is homologus to the wing of a bird ?
42
Following are the two statements regarding the origin of life -
(a) The earliest organisms that appeared on the earth were non-green and presumably anaerobes
(b) The first autotrophic organisms were the chemoautotrophs that never released oxygen
Of the above statements which one of the following options is correct ?
43
Dinosaurs dominated the World in which of the
following geological era ?
44
Random undirectional change in allele frequencies
that occur by chance in all populations and especially
in small populations is known as :-
45
Genetic variation in a population arises due to :
46
The finch species of Galapagos Islands are grouped
according to their food sources. Which of the
following is not a finch food ?
47
According to Darwin, the organic evolution is due to -
48
The tendency of population to remain in genetic equilibrium may be disturbed by :
49
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is
referred to as :
50
The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in
response to a common environmental challenge is called :
51
The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function, This
is an example of :
52
The idea of mutations was brought forth by :
53
What was the most significant trend in the evolution of modern man (Homo sapiens) from his
ancestors ?
54
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 heads, large jaws with heavy teeth, stocky bodies, a
lumbering gait and stooped posture was :
55
Which one of the following options gives one correct example each of convergent evolution and
divergent evolution ?
56
Evolution of different species in a given area starting from a point and spreading to other
geographical areas is known as
57
What was the most significant trend in the evolution of modern man (Homo sapiens) from his
ancestors ?
58
The most apparent changes during the
evolutionary history of Homo sapiens is traced
in
59
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
–
Statements :
(A) Wings of butterfly and birds look alike and
are the results of (i) , evolution
(B) Miller showed that CH4, H2, NH3 and (i),
when exposed to electric discharge in a flask
resulted in formation of (ii) .
(C) Vermiform appendix is a (i) organ and an (ii) evidence pf evolution.
(D) According to Darwin evolution took place
due to (i) and (ii) of the fittest.
60
Darwin's finches are a good example of –
61
In the case of peppered moth (Biston betularia)
the black-coloured from became dominant over
the light-coloured form in England during
industrial revolution. This is an example of -
62
Peripatus is a connecting link between :
63
Which one of the following scientist's name is
correctly matched with the theory put fourth by
him?
64
Which one of the following is incorrect about
the characteristics of protobionts (coacervates
and microspheres) as envisaged in the abiogenic
origin of life?
65
Thorn of Bougainvillea and tendril of Cucurbita
are examples of:
66
Darwin's finches are a good example of –
67
When two species of different genealogy come
to resemble each other as a result of adaptation,
the phenomenon is termed:-
68
The finches of Galapogas islands provide an
evidence in favour of-
69
Which one of the following statements is correct?
70
The concept of chemical evolution is based on-
71
Adaptive radiation refers to:-
72
Which one of the following amino-acids was not
found to be synthesized in Miller's experiment ?
73
An important evidence in favour of organic
evolution is the occurrence of-
74
Praying mantis is a good example of-
75
Jurassic period of the Mesozoic era
characterized by-
76
Which of the following is the relatively most
accurate method for dating of fossils ?
77
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
population at equilibrium ?
78
Which of the following is not true for a species ?
79
De Vries gave his mutation theory on organic
evolution while working on -
80
Which one of the following experiments
suggests that simplest living organisms could
not have originated spontaneously from non-living matter ?
81
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 variation of DNA however
suggested African origin of modern man. What
kind of observation of DNA variation could
suggest this ?
82
Which one of the following phenomena supports
Darwin's concept of natural selection in organic
evolution ?
83
According to oparin, which one of the following
was not present in the primitive atmosphere of
the earth ?
84
Age of fossils in the past was generally
determined by radio-carbon method and other
methods involving radioactive elements found in
the rocks. More precise methods, which were
used recently and led to the revision of the
evolutionary periods for different groups of
organisms includes -
85
What kind of evidence suggested that man is
more closely related with chimpanzee than with
other hominoid apes ?
86
Which one of the following is living fossil ?
87
Diversification in plant life appeared
88
Which one of the following describes correctly
the homologous structures ?
89
Which one of the following is categorised under
living fossils ?
90
Darwin in his 'Natural Selection Theory' did not
believe in any role of which one of the following
in organic evolution ?
91
In a random mating population in equilibrium,
which of the following brings about a change in
gene frequency in a non-directional manner : -
92
Industrial melanism is an example of : -
93
Random genetic drift in a population probably
results from
94
Which one of the following sequences was
proposed by Darwin and Wallace for organic
evolution ?
95
Convergent evolution is illustrated by : -
96
There is no life on moon due to the absence of -
98
Which of the following is important for
speciation ?
99
Genetic drift oparates in : -
100
Which of the following are homologous organs ?
101
According to fossils which discovered up to
present time, origin and evolution of man was
started from
102
In which condition, the gene ratio remains
constant for any species population ?
103
In which era reptiles were dominant ?
104
Sequence of which of the following is used to
know the phylogeny ?
105
Which of the following is correct order of the
evolutionary history of man ?
106
Which statement is correct about centre of origin
of plant ?
107
Half life period of C14 is : -
108
Reason of diversity in living being : -
109
Most abundant organic compound on earth is
110
Similarities in organism with different genotype
indicates : -
111
Which of the following is closest relative of
man ?
112
First life on earth was : -
113
Forthcoming generations are less adaptive than
their parental generation due to
114
Occurrence of endemic species in South America
and Australia is due to
115
Darwins theory of pangenesis shows similarity
with theory of inheritance of acquired characters
then what shall be correct according to it
116
Which is not a vestigial organ in man ?
117
Which is the most important factor for continuity of a species from evolutionary point of view ?
118
Who is directly related to man ?
119
Homo sapiens have evolved in
120
Which evidence of evolution related to Darwin's
finches ?
121
Character which is closely related to human
evolution