Q.1
Genes are part of what?
  • Mitochondria
  • Cytoplasm
  • Chlorophyll
  • Chromosomes
Q.2
Why is plotting a line graph of foot length more appropriate than using a bar chart?
  • Foot length is an example of continuous variation
  • Feet are different shapes
  • Foot length is an example of discontinuous variation
  • Shoe size depends on foot length
Q.3
What causes inherited variation?
  • The new individual gets half of its genes from each parent
  • The new individual gets all of its genes from one parent only
  • The new individual has completely different genes to either of its parents
  • During fertilization, all of the genes change shape
Q.4
Which of the following is correct in order of size?
  • Cell, nucleus,chromosome, gene
  • Gene, chromosome, nucleus, cell
  • Nucleus, cell, gene, chromosome
  • Cell, chromosome, gene, nucleus
Q.5
A group of students carried out a survey into the blood groups. What would be the most appropriate way to show the data?
  • A pie chart
  • A line graph
  • An infographic
  • A histogram (bar chart)
Q.6
Eye color can be changed using colored contact lenses. Eye color is an example of what?
  • Genetic variation only
  • Environmental variation only
  • Genetic and environmental variation
  • None of the above
Q.7
Environmental variation can be caused by which of the following?
  • Climate
  • Light intensity
  • Diet
  • All three of the above
Q.8
Which of the following could account for body mass?
  • Genetic reasons only
  • Environmental reasons only
  • Genetic and environmental reasons
  • None of the above
Q.9
Gametes contain only half the number of chromosomes other types of cells have, therefore they are what?
  • Haploid
  • Diploid
  • Ovoid
  • Blastoid
Q.10
Eye color is an example of which of the following?
  • Continual variation
  • Continuing variation
  • Discontinued variation
  • Discontinuous variation
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