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Mammals evolved from primitive reptiles about

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Important Questions on Evolution

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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Industrial melanism is an example of:
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
What is fossil?
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Which of the following structures is homologous to the wing of a bird?
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by:
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Anthropocene refers to the geological age during which
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
A population will not exist in Hardy-Weinberg equilibrium if:
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Analogous structures are a result of:
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
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>Geological Time Scale

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>Geological Time Scale
Match the following
  LIST-I   LIST-II
A The golden age of reptiles I Carboniferous period
B Age of amphibians II Cenozoic era
C The golden age of fishes III Mesozoic era
D Age of mammals IV Devonian period
    V Silurian period

The correct match is

MEDIUM
Biology>Genetics and Evolution>Evolution>Geological Time Scale
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>Geological Time Scale

 Study the following table

S.No. Group Ancestors Evolved in
I Pisces Osteolepids Silurian period
II Amphibia Osteolepids Devonian period
III Reptilia Labyrinthodonts Jurassic period
IV Aves Therapsids Carboniferous period
V Mammalia Therapsids Triassic period
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
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>Geological Time Scale
The wings of a bird and the wings of an insect are:
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Artificial selection to obtain cows yielding higher milk output represents
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
The ________ theory attempts to explain to us the origin of the universe.
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Which one of the following are analogous structures?
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Biology>Genetics and Evolution>Evolution>Geological Time Scale
How the ages of fossils are calculated?
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Biology>Genetics and Evolution>Evolution>Geological Time Scale

Match the following

  Set-I   Set-II
(A) Cyanognathus (I) Reptiles & birds
(B) Archaeopteryx (II) Amphibians & reptiles
(C) Seymouria (III) Reptiles & mammals
(D) Eusthenopteron (IV) Protochordates & fishes
    (V) Fishes & amphibians

The correct match is

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Biology>Genetics and Evolution>Evolution>Geological Time Scale
Which among the following was the biggest land dinosaur?