Multiple Choice QuestionsAmong the following sets of examples for divergent evolution, select the incorrect option :
Forelimbs of man, bat and cheetah
Heart of bat, man and cheetah
Eye of octopus, bat and man
Brain of bat, man and cheetah
The similarity of bone structure in the forelimbs of many vertebrates is an example of
Homology
Analogy
Adaptive radiation
Convergent evolution
The appearance of antibiotic-resistant bacteria is an example of
adaptive radiation
transduction
Pre-existing variation
divergent evolution in the population
Which one of the following graphs correctly describes disruptive selection? When studying fitness level associated with body size?
D.
Disruptive selection occurs when an environmental change may produce selection pressure that favours two extreme characteristics. Selection acts on the phenotype, physical biochemical and behavioural traits oft he an organism. It indirectly adapts of population to its environment by selecting and maintaining favourable genotypes in their given pool
The most recent and direct pre-historic ancestor is
Cro-magnon
Neanderthal
Pre-neaderthal
None of these
Darwins finches represent
Morphological variations
Geographical isolations
Climate variations
Reproductive isolation
Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and
Evolution
Limiting factors
Saltation
Natural selection
Which one of the following in birds indicates their reptilian ancestry?
Scales on their hindlimbs
Four-chambered heart
Two special chambers crop and gizzards in their digestive tract
Egg with a calcareous shell
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