AIPMT Prelims Zoology Evolution Class 12 Questions
68 questions
Which one of the following options gives one correct example each of convergent evolution and divergent evolution?
Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as
The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
Darwin’s finches are a good example of
In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of:
What is true about the isolated small tribal populations?
Darwin's Finches are an excellent examples of:
Which one of the following in birds, indicates their reptilian ancestry?
Which one of the following scientist's name is correctly matched with the theory put forth by him?
The concept of chemical evolution is based on
The finches of Galapagos islands provide an evidence in favour of
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed
Among the human ancestors the brain size was more that 1000 CC in
Industrial melanism as observed in peppered moth proves that
Adaptive radiation refers to
Select the correct statement from the following?
What is common to whale, seal and shark?
One of the important consequences of geographical isolation is
Which one of the following amino acids was not found to be synthesized in Miller's experiment?
An important evidence in favour of organic evolution is the occurrence of:
Which one of the following is not a living fossil?
Jurassic period of the Mesozoic era is characterised by:
Evolutionary history of an organism is known as:
There are two opposing views about origin of Modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variations of DNA however suggested African origin of Modern man. What kind of observation on DNA variation could suggest this?
Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution?
At a particular locus, frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium?
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter?
de Vries gave his mutation theory on organic evolution while working on:
Which of the following is the relatively most accurate method for dating of fossils?
Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms includes -
What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes ?
The most likely reason for the development of resistance against pesticides in insects damaging a crop is :-
Diversification in plant life appeared :-
According to oparin, which one of the following was not present in the primitive atmosphere of the earth :-
Presence of gills in the tadpole of frog indicates that :-
Convergent evolution is illustrated by:
Which one of the following sequences was proposed by Darwin and Wallace for organic evolution:
Random genetic drift in a population probably results from:
In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because :-
Industrial melanism is an example of :-
In a random mating population in equilibrium, which of the following brings about a change in gene frequency in a non-directional manner :-
Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution :-
Which one of the following describes correctly the homologous structures :-
Some bacteria able to grow in Streptomycin containing medium due to -
Reason of fast speciation in present day crop plants is -
Which of the following is important for speciation :-
Which of the following are homologous organs :-
Genetic drift oparates in :-
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