[{"id":178764,"question":"A change in the community structure of an ecosystem over a period of time is:","choices":[{"text":"Ecological niche","value":"A"},{"text":"Ecological mutation","value":"B"},{"text":"Succession","value":"C"},{"text":"Genetic Drift","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178758,"question":"In which of the following situations would evoluation be lowest for an inter breeding population?","choices":[{"text":"<b>Migration       Selection Pressure  Variation(Due to Mutation)   </b>Absent<b>            </b>Low                  Low","value":"A"},{"text":"<b>Migration       Selection Pressure  Variation(Due to Mutation)  </b>Absent<b>           </b>High                   High","value":"B"},{"text":"<b>Migration       Selection Pressure  Variation(Due to Mutation)  </b>High                Low                  High","value":"C"},{"text":"<b>Migration       Selection Pressure  Variation(Due to Mutation)  </b>High<b>              </b>High                 Low","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178754,"question":"Which one of the following pairs represents analogous features?","choices":[{"text":"Elephant tusks &amp; Human incisors","value":"A"},{"text":"Insects wings &amp; bat wings","value":"B"},{"text":"Mammal fore limb &amp; bird wing","value":"C"},{"text":"Reptilian heart &amp; mammalism heart","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178751,"question":"The parts of body use extensivly to cope with the environment become larger &amp; stronger, while those that are not used deteriorate was argued by:","choices":[{"text":"Charls darwin","value":"A"},{"text":"Alfred wallace","value":"B"},{"text":"Carolus","value":"C"},{"text":"Lamorck","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178750,"question":"Similarity in characteristics resulting from common ancestry is known as:","choices":[{"text":"Analogy","value":"A"},{"text":"Homology","value":"B"},{"text":"Evolutionary relationship","value":"C"},{"text":"Phylogeny","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178748,"question":"The study of birds is:","choices":[{"text":"Ornithology","value":"A"},{"text":"Ichthyology","value":"B"},{"text":"Herpetology","value":"C"},{"text":"Entomology","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178745,"question":"Which one of the following would cause the hardy-weinberg principle to be inacurate?","choices":[{"text":"The size of the population is very large.","value":"A"},{"text":"Individual mate with one another at random","value":"B"},{"text":"Natural selection is present","value":"C"},{"text":"There is no source of new copies of alleles from outside the population","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178742,"question":"Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?","choices":[{"text":"p<sup>2</sup>","value":"A"},{"text":"2p","value":"B"},{"text":"q<sup>2</sup>","value":"C"},{"text":"q","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178725,"question":"The existing species are the modified descendants of pre-existing ones according to:","choices":[{"text":"Theory of special creation","value":"A"},{"text":"Theory of organic evolution","value":"B"},{"text":"Uniformitarianism","value":"C"},{"text":"Theory of catatrophe","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178719,"question":"Human appendix, coccyx and nictiating membrane of the eye are:","choices":[{"text":"Vestigical organs","value":"A"},{"text":"Homologous organs","value":"B"},{"text":"Analogous organs","value":"C"},{"text":"Embroyonic organs","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178714,"question":"The random loss of alleles in a population is called:","choices":[{"text":"Mutation","value":"A"},{"text":"Selection","value":"B"},{"text":"Gene flow","value":"C"},{"text":"Genetic drift","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178712,"question":"If the condon consisted of only two nucleotides, there would be how many possible condons?","choices":[{"text":"4","value":"A"},{"text":"8","value":"B"},{"text":"<sub>20</sub>","value":"C"},{"text":"16","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178710,"question":"In Griffith experiment mice developed pneumonia when they were injected with:","choices":[{"text":"R-type bacteria","value":"A"},{"text":"Heat killed S-type bacteria","value":"B"},{"text":"Heat killed R-type bases","value":"C"},{"text":"Heat killed S-type becteria along with live R-type becteria","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178709,"question":"In eukaryotic mRNA molecule there are 90 nucleotide involved in translation process. What is the number of amino acid in the protein formed by this mRNA molecules?","choices":[{"text":"29 Amino acids","value":"A"},{"text":"30 Amino acids","value":"B"},{"text":"45 Amico acids","value":"C"},{"text":"90 Amino acids","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178708,"question":"If an mRNA is synthesized with the differnt codons, what is the minimum number of amino acids in the protein that is formed by the mRNA?","choices":[{"text":"64 Amino acids","value":"A"},{"text":"62 Amino acids","value":"B"},{"text":"60 Amino acids","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178705,"question":"If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations:","choices":[{"text":"14 %","value":"A"},{"text":"28 %","value":"B"},{"text":"36 %","value":"C"},{"text":"64 %","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178703,"question":"In mitochodria UGA codon act to specify __________ instead stop codon:","choices":[{"text":"Argenine","value":"A"},{"text":"Valine","value":"B"},{"text":"Glumatic acid","value":"C"},{"text":"Trytophan","value":"D"},{"value":"E"}],"correctAnswer":4}]