The most likely reason for the development of resistance against pesticides in insects damaging a crop is   
1. Genetic recombination
2. directed mutations
3. Acquired heritable changes.
4. Random mutations 

Subtopic:  Hugo De Vries Theory of Evolution |
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There are two opposing views about the origin of modern man. According to one view, Homo erectus in Asia were the ancestors of modern man. A study of variation of DNA, however, suggested the African origin of modern man. What kind of observation of DNA variation could suggest? 

1.  Greater variation in Asia than in Africa.
2.  Similar variation in Africa and Asia.
3.  Variation only in Asia and no variation in Africa.
4.  Greater variation in Africa than in Asia. 

Subtopic:  Introduction to Human Evolution |
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Which one of the following experiments suggests that the simplest living organisms could not have originated spontaneously from non-living matter?   

1.  Larvae could appear in decaying organic matter.
2.  Meat was not spoiled, when heated and kept sealed in a vessel.
3.  Microbes did not appear in stored meat.
4.  Microbes appeared from unsterilized organic matter. 

Subtopic:  Other Theories of Origin of Life |
 59%
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Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution?   

1.  Production of Dolly, the sheep by cloning.
2.  Development of organs from stem cells for organ transplantation.
3.  Development of transgenic animals.
4.  Prevalence of pesticide resistant insects.
Subtopic:  Concept of Organic Evolution: Evidence |
 82%
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Which of the following is relatively most accurate method for dating of fossils? 
1. Electron-spin resonance method
2. Uranium-lead method
3. Potassium-argon method
4. Radio-carbon method

Subtopic:  Palentological Evidences of Evolution |
 75%

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De Vries gave his mutation theory on organic evolution while working on   
1. Oenothera lamarckiana
2. Drosophila melanogaster
3. Pisum sativum
4. Althea rosea 

Subtopic:  Hugo De Vries Theory of Evolution |
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At a particular locus, the 'A' allele frequency is 0.6 and that of 'a' allele is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium? 

1.0.242.0.16
3.0.484.0.34 

Subtopic:  Hardy Weinberg Law |
 85%
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Which one of the following amino acids was not found to be synthesized in Miller’s experiment?  
1. Glycine.
2. Aspartic acid
3. Glutamic acid
4. Alanine 

Subtopic:  Urey & Miller Experiment |
 59%
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An important evidence in favor of organic evolution is the occurrence of 
1. Homologous and vestigial organs 
2. Analogous and vestigial organs
3. Homologous organs only
4. Homologous and analogous organs 

Subtopic:  Examples of Chemical Evolution |
 50%
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Which one of the following is not a living fossil? 
1. King crab
2. Sphenodon
3. Archaeopteryx
4. Peripatus

Subtopic:  Palentological Evidences of Evolution |
 65%
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