241.
Diversification in plant life appeared A
due to long periods of evolutionary changes
B
due to abrupt mutations
C
suddenly on earth
D
by seed dispersal
Answer :
due to long periods of evolutionary changes
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242.
Coloured rock paintings were first done by A
Cro-magnon man
B
Java ape man
C
Peking man
D
Neanderthal man
Answer :
Cro-magnon man
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243.
Frequency of an allele in a isolated population may change due to A
genetic Drift
B
gene flow
C
mutation
D
natural selection
Answer :
genetic Drift
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244.
The book Origin of Species was published in the year A
1956
B
1809
C
1859
D
1844
Answer :
1859
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245.
Darwin was influenced by the writings of A
Malthus
B
Wallace
C
Lyell
D
All of the above
Answer :
All of the above
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246.
Cranial capacity of Cro-magnon man was A
900 cc
B
1075 cc
C
1450 cc
D
1600 cc
Answer :
1600 cc
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247.
Homo erectus differed from Cro-magnon man in having A
Jawa protruding out
B
Tool making
C
Sloping jaws
D
Arts and paintings
Answer :
Jawa protruding out
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248.
Fire for protection and cooking was first used by A
Neanderthal man
B
Cromagnon man
C
Java man
D
Peking man
Answer :
Java man
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249.
Oparin's theory is based on A
Artificial synthesis
B
Spontaneous generation
C
God's will
D
All of the above
Answer :
Artificial synthesis
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250.
Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used A
on plates with and without streptomycin
B
on plates with minimal medium
C
only on plates with streptomycin
D
only on plates without streptomycin
Answer :
only on plates with streptomycin
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