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A group of about 15 species of passerine birds studied by Darwin found on Galapagos islands represent

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Important Questions on Evolution

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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
The wings of a bird and the wings of an insect are:
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
Analogous structures are a result of:
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
Industrial melanism is an example of:
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
A human population containing 200 individuals has two alleles at the 'T' locus, named T and t. T, which produces tall individuals, is dominant over t, which produces short individuals. If the population has 90 TT, 40 Tt and 70 tt genotypes, what will be the frequencies of these two alleles in this population?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
A population of finch birds with medium sized beaks colonizes an island with plants producing medium and large sized seeds. After a disease wipes out all the plants with medium sized seeds, what is most likely to happen to the finches?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by:
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
Which of the following structures is homologous to the wing of a bird?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the Population?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
What do you mean by adaptive radiation ?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
What are adaptive radiations? Explain with examples. 
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations

Of the periods listed below, which ONE is the earliest period when Ostracoderms, the jawless and finless fishes, appeared?

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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
The phenomenon of evolution of different species in a given geographical area starting from a point and spreading to other habitats is called:
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
In a large isolated population, alleles p and q at a locus are at Hardy Weinberg equilibrium. The frequencies are p=0.6 and q=0.4 . The proportion of the heterozygous genotype in the population is
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
A population will not exist in Hardy-Weinberg equilibrium if:
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
Artificial selection to obtain cows yielding higher milk output represents
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
The ________ theory attempts to explain to us the origin of the universe.
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
Which one of the following are analogous structures?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
What do you understand by adaptive radiation? Explain it with suitable examples.
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
In Africa, two distinct types of Rhinoceros are found. One is grazing which lives in open land and second is a browsing type which lives in wooded areas. It is which type of adaptive radiation?
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Biology>Genetics and Evolution>Evolution>Adaptive Radiations
Darwin's finches are a good example of: