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Evolution

123 Questions
All Exams NEET AIIMS
2002 NEET MCQ
AIPMT 2002
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 NEET MCQ
AIPMT 2002
Cause of mimicry is -
A.
offence
B.
concealment
C.
defence
D.
both (b) and (c)
2002 NEET MCQ
AIPMT 2002
In which condition, the gene ratio remains constant for any species population ?
A.
Gene flow
B.
Mutation
C.
Sexual selection
D.
Random mating
2002 NEET MCQ
AIPMT 2002
Which of the following is important for speciation ?
A.
Behavioural isolation
B.
Seasonal isolation
C.
Tropical isolation
D.
Reproductive isolation
2002 NEET MCQ
AIPMT 2002
In which era reptiles were dominant ?
A.
Archaeozoic era
B.
Mesozoic era
C.
Coenozoic era
D.
Paleozoic era
2001 NEET MCQ
AIPMT 2001
First life on earth was : -
A.
Autotrophs
B.
Photoautotrophs
C.
Cyanobacteria
D.
Chemohetrotrophs
2001 NEET MCQ
AIPMT 2001
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 NEET MCQ
AIPMT 2001
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 NEET MCQ
AIPMT 2001
Reason of diversity in living being : -
A.
Mutation
B.
Short term evolutionary change
C.
Long term evolutionary change
D.
Gradual change
2001 NEET MCQ
AIPMT 2001
Most abundant organic compound on earth is
A.
Cellulose
B.
Steroids
C.
Protein
D.
Lipids
2001 NEET MCQ
AIPMT 2001
Forthcoming generations are less adaptive than their parental generation due to
A.
Genetic drift
B.
Natural selection
C.
Mutation
D.
Adaptation
2001 NEET MCQ
AIPMT 2001
Which of the following is closest relative of man ?
A.
Gorilla
B.
Chimpanzee
C.
Gibbon
D.
Orangutan
2001 NEET MCQ
AIPMT 2001
Half life period of C14 is : -
A.
5000 years
B.
50 years
C.
500 years
D.
5 × 104 years
2001 NEET MCQ
AIPMT 2001
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 NEET MCQ
AIPMT 2001
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 NEET MCQ
AIPMT 2001
Similarities in organism with different genotype indicates : -
A.
Divergent evolution
B.
Macroevolution
C.
Convergent evolution
D.
Microevolution
2000 NEET MCQ
AIPMT 2000
Homo sapiens have evolved in
A.
Pleistocene
B.
Paleocene
C.
Oligocene
D.
Holocene
2000 NEET MCQ
AIPMT 2000
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 NEET MCQ
AIPMT 2000
Which is not a vestigial organ in man ?
A.
Segmental muscles of abdomen
B.
Third molar
C.
Coccyx
D.
Nails
2000 NEET MCQ
AIPMT 2000
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 NEET MCQ
AIPMT 2000
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 NEET MCQ
AIPMT 2000
Who is directly related to man ?
A.
Gorilla
B.
Orangutan
C.
Gibbon
D.
Rhesus
2014 NEET MSQ
NEET 2014
Which one of the following are analogous structures?
A.
Flippers of Dolphin and Legs of Horse
B.
Thorns of Bougainvillea and Tendrils of Cucurbita
C.
Wings of Bat and Wings of Pigeon
D.
Gills of Prawn and Lungs of Man