251.
Whoc attempted to solve the mechanisum of organic evolution for the first time
A
Haeckel
B
De Vries
C
Lamarck
D
Darwin
Answer :
Lamarck
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252.
Which one of the following statements about fossil human species is correct?
A
Fossils of Homo neanderthalensis have been found recently in South America
B
Neanderthal man and Cro-Magnon man did exist for sometime together
C
Australopithecus fossils have been found in Australia
D
Homo erectus was preceded by Homo habilis
Answer :
Homo erectus was preceded by Homo habilis
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253.
There was no life in which era
A
Messozoic era
B
Palaeozoic era
C
Coenozoic era
D
Azoic era
Answer :
Azoic era
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254.
To be successful in evolution a mutation must occur in
A
Plasma proteins
B
Somatoplasmic DNA
C
Germplasm's DNA
D
RNA
Answer :
Germplasm's DNA
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255.
Which is the most important factor for evolution of new species
A
Geographic isolation
B
Extensive in-breeding
C
Extensive out-breeding
D
None of the above
Answer :
Geographic isolation
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256.
DNA is a polymer of
A
Glucose
B
Amino acid
C
Nucleotide
D
None of the above
Answer :
Nucleotide
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257.
Characteristics of primitive monkey which was in the direction of evolution of man
A
Thumb parallel to fingers
B
32 teeth
C
Prehensile tail
D
Flat nose
Answer :
32 teeth
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258.
Rock mountain revolution took place after
A
Coenozoic era
B
Mesozic era
C
Paleozoic era
D
Proterozoic era
Answer :
Mesozic era
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259.
A population will not exist in Hardy - Weinberg equilibrium if :
A
There are no mutations
B
There is no migration
C
The population is large
D
Individuals mate selectively
Answer :
Individuals mate selectively
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260.
The finch species of Galapagos Islands are grouped according to their food sources. Which of the following is not a finch food?
A
Seeds
B
Carrion
C
Insects
D
Tree buds
Answer :
Carrion
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