Q.1
Some pupils investigated the streams near their school. In one of the streams, the water looked very clear and the only creatures they found were rat tailed maggots and sludgeworms. What does that tell them?
  • The water is very polluted
  • The water is moderately polluted
  • The water is slightly polluted
  • The water is completely unpolluted
Q.2
The dodo is an extinct flightless bird that lived on the island of Mauritius. Which of the following could explain why it became extinct when humans settled on the island?
  • People caught and ate lots of dodos
  • People brought dogs with them and the dogs ate the dodo's eggs
  • People needed space to build homes and create farms which reduced the space available for dodos
  • All of the above
Q.3
Which one of the following is an advantage of using a data logger and temperature probe instead of an ordinary thermometer?
  • It is more accurate
  • Readings can be taken automatically
  • It is cheaper and easier to use than a thermometer
  • It runs off electricity
Q.4
Woodlice are nocturnal crustaceans who absorb water through their skin. They live in dark, damp places including under rocks. If you remove a rock under which woodlice are living what will happen to the woodlice?
  • They will find somewhere else to live
  • They will curl up into a little ball
  • They will do nothing
  • They will die
Q.5
How has the number of farmland birds in Europe been affected as farming has become more intensive?
  • The number of farmland birds has increased
  • The number of farmland birds has not changed
  • The number of farmland birds has decreased
  • The number of farmland birds is not affected by farming
Q.6
Where would you be most likely to find bushy lichens?
  • On trees close to a factory producing sulfuric acid
  • On trees by a busy highway in a town center
  • On trees planted alongside a expressway
  • On trees in the countryside
Q.7
What is the most common source of air pollution?
  • Volcanoes
  • Burning fossil fuels
  • Cutting down trees
  • Herds of cows
Q.8
Which of the following is an abiotic change in the environment?
  • Arrival of a new predator
  • pH
  • Humans cutting down trees
  • Arrival of an invasive plant species
Q.9
Humans have been cutting down trees for thousands of years. Which of the following is an environmental change caused by deforestation?
  • Acid rain
  • Less food and shelter for wildlife
  • Changes in rainfall patterns
  • More carbon dioxide in the atmosphere
Q.10
The larva of the mayfly can only survive in very clean water. Because of this, how can we use the mayfly?
  • It can be used as food for fish farms
  • It can be used directly to measure the exact amounts of pollutants
  • It can be used as an indicator species for pollution
  • It can be used as a model fly in fly fishing
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