2003
Q101
NEET
MCQ
10 Mar 2026
Which one of the following describes correctly
the homologous structures ?
A.
Organs with anatomical dissimilarities but
performing same function
B.
Organs that have no function now, but had
an important function in ancestors
C.
Organs with anatomical similarities, but
performing different func
D.
Organs appearing only in embryonic stage
and disappearing later in the adult
2003
Q102
NEET
MCQ
10 Mar 2026
In a random mating population in equilibrium,
which of the following brings about a change in
gene frequency in a non-directional manner : -
A.
Selection
B.
Random drift
C.
Mutations
D.
Migration
2003
Q103
NEET
MCQ
10 Mar 2026
Convergent evolution is illustrated by : -
A.
Bacterium and protozoan
B.
Rat and dog
C.
Dogfish and whale
D.
Starfish and cuttle fish
2003
Q104
NEET
MCQ
10 Mar 2026
Which one of the following sequences was
proposed by Darwin and Wallace for organic
evolution ?
A.
Variations, natural selection,
overproduction, constancy of population
size
B.
Overproduction, constancy of population
size, variations, natural selection
C.
Variations, constancy of population size,
overproduction, natural selection
D.
Overproduction, variations, constancy of
population size, natural selection
2003
Q105
NEET
MCQ
10 Mar 2026
Darwin in his 'Natural Selection Theory' did not
believe in any role of which one of the following
in organic evolution ?
A.
Survival of the fittest
B.
Parasites and predators as natural enemies
C.
Discontinuous variations
D.
Struggle for existence
2003
Q106
NEET
MCQ
10 Mar 2026
Industrial melanism is an example of : -
A.
Darkening of skin due to smoke from
industries
B.
Defensive adaptation of skin against
ultraviolet radiations
C.
Drug resistance
D.
Protective resemblance with the surroundings
2003
Q107
NEET
MCQ
10 Mar 2026
Which one of the following is categorised under
living fossils ?
A.
Cycas
B.
Metasequoia
C.
Pinus
D.
Selaginella
2003
Q108
NEET
MCQ
10 Mar 2026
Random genetic drift in a population probably
results from
A.
Constant low mutation rate
B.
Interbreeding within this population
C.
Large population size
D.
Highly genetically variable individuals
2002
Q109
NEET
MCQ
10 Mar 2026
According to fossils which discovered up to
present time, origin and evolution of man was
started from
A.
Java
B.
Africa
C.
China
D.
France
2002
Q110
NEET
MCQ
10 Mar 2026
Genetic drift oparates in : -
A.
Slow reproductive population
B.
Small isolated population
C.
Large isolated population
D.
Fast reproductive population
2002
Q111
NEET
MCQ
10 Mar 2026
There is no life on moon due to the absence of -
A.
O2
B.
Light
C.
Water
D.
Temperature
2002
Q112
NEET
MCQ
10 Mar 2026
Sequence of which of the following is used to
know the phylogeny ?
A.
DNA
B.
r-RNA
C.
m-RNA
D.
t-RNA
2002
Q113
NEET
MCQ
10 Mar 2026
Which of the following are homologous organs ?
A.
Wings of birds & Pectoral fins of
fish
B.
Wings of bat & Butterfly
C.
Legs of frog & Cockroch
D.
Wings of birds & Locust
2002
Q114
NEET
MCQ
10 Mar 2026
Cause of mimicry is -
A.
offence
B.
concealment
C.
defence
D.
both (b) and (c)
2002
Q115
NEET
MCQ
10 Mar 2026
In which condition, the gene ratio remains
constant for any species population ?
A.
Gene flow
B.
Mutation
C.
Sexual selection
D.
Random mating
2002
Q116
NEET
MCQ
10 Mar 2026
Which of the following is important for
speciation ?
A.
Behavioural isolation
B.
Seasonal isolation
C.
Tropical isolation
D.
Reproductive isolation
2002
Q117
NEET
MCQ
10 Mar 2026
In which era reptiles were dominant ?
A.
Archaeozoic era
B.
Mesozoic era
C.
Coenozoic era
D.
Paleozoic era
2001
Q118
NEET
MCQ
10 Mar 2026
First life on earth was : -
A.
Autotrophs
B.
Photoautotrophs
C.
Cyanobacteria
D.
Chemohetrotrophs
2001
Q119
NEET
MCQ
10 Mar 2026
Which statement is correct about centre of origin
of plant ?
A.
Climatic condition more favourable
B.
More diversity in improved variety
C.
None
D.
Frequency of dominant gene is more
2001
Q120
NEET
MCQ
10 Mar 2026
Occurrence of endemic species in South America
and Australia is due to
A.
These is no terrestrial route to these places
B.
Retrogressive evolution
C.
These species has been extinct from other
regions
D.
Continental separation
2001
Q121
NEET
MCQ
10 Mar 2026
Reason of diversity in living being : -
A.
Mutation
B.
Short term evolutionary change
C.
Long term evolutionary change
D.
Gradual change
2001
Q122
NEET
MCQ
10 Mar 2026
Most abundant organic compound on earth is
A.
Cellulose
B.
Steroids
C.
Protein
D.
Lipids
2001
Q123
NEET
MCQ
10 Mar 2026
Forthcoming generations are less adaptive than
their parental generation due to
A.
Genetic drift
B.
Natural selection
C.
Mutation
D.
Adaptation
2001
Q124
NEET
MCQ
10 Mar 2026
Which of the following is closest relative of
man ?
A.
Gorilla
B.
Chimpanzee
C.
Gibbon
D.
Orangutan
2001
Q125
NEET
MCQ
10 Mar 2026
Half life period of C14 is : -
A.
5000 years
B.
50 years
C.
500 years
D.
5 × 104 years
2001
Q126
NEET
MCQ
10 Mar 2026
Which of the following is correct order of the
evolutionary history of man ?
A.
Peking man, Hedalberg man, Neanderthal
man, Cromagnon man
B.
Peking man, Neanderthal man, Homosapiens
Cromagnon man
C.
Peking man, Neanderthal man, Homosapiens
Hedalberg man
D.
Peking man, Homo sapiens, Neanderthel
man, Cromagnon man
2001
Q127
NEET
MCQ
10 Mar 2026
Darwins theory of pangenesis shows similarity
with theory of inheritance of acquired characters
then what shall be correct according to it
A.
There should be some physical basis of
inheritance
B.
Size of organs increase with aging
C.
Useful organs become strong and
developed while useless organs become
extinct. These organs help in struggle for
survival
D.
Development of organs is due to will power
2001
Q128
NEET
MCQ
10 Mar 2026
Similarities in organism with different genotype
indicates : -
A.
Divergent evolution
B.
Macroevolution
C.
Convergent evolution
D.
Microevolution
2000
Q129
NEET
MCQ
10 Mar 2026
Homo sapiens have evolved in
A.
Pleistocene
B.
Paleocene
C.
Oligocene
D.
Holocene
2000
Q130
NEET
MCQ
10 Mar 2026
Which evidence of evolution related to Darwin's
finches ?
A.
Evidences from comparative anatomy
B.
Evidences from embryology
C.
Evidences from biogeographical distribution
D.
Evidences from palaeontological
2000
Q131
NEET
MCQ
10 Mar 2026
Which is not a vestigial organ in man ?
A.
Segmental muscles of abdomen
B.
Third molar
C.
Coccyx
D.
Nails
2000
Q132
NEET
MCQ
10 Mar 2026
Character which is closely related to human
evolution
A.
Reduction in size of jaws
B.
Disappearance of tail
C.
Flat nails
D.
Binocular vision
2000
Q133
NEET
MCQ
10 Mar 2026
Which is the most important factor for continuity of a species from evolutionary point of view ?
A.
Formation of gametes
B.
Synthesis of proteins
C.
Replication of genetic material
D.
None of these
2000
Q134
NEET
MCQ
10 Mar 2026
Who is directly related to man ?
A.
Gorilla
B.
Orangutan
C.
Gibbon
D.
Rhesus