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TLS Online TPP Program

#Question id: 11998

Of the following examples of ecological effect leading to an evolutionary effect, which is most correct? 

#10. Ecological Principles
  1. When seeds are not plentiful ? trees produce more seeds.
  2. A  few  organisms of  a  larger  population  survive  a  drought  ?  these survivors then  emigrate  to  less  arid environments.
  3. A  few  individuals  with  denser fur  survive the  coldest  days  of  an  ice  age  ?  the  reproducing survivors all have long fur.
  4. Fish that swim the fastest in running water  catch the most prey and more easily escape predation.
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TLS Online TPP Program

#Question id: 410

#1. Molecules and their Interaction Relevant to Biology

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?
TLS Online TPP Program

#Question id: 15009

#8. Inheritance Biology

A mutation in which most of the protein coding sequence of the gene is removed is most likely to be which type of allele?
TLS Online TPP Program

#Question id: 11953

#7. System Physiology – Animal

Which of the following is a difference between vitamins and minerals?
TLS Online TPP Program

#Question id: 8692

#9. Diversity of Life Forms

Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?
TLS Online TPP Program

#Question id: 23373

#Aptitude

Which of the following pair is not correctly matched?