Q.1
Which of the following statements is true of extremophiles?
  • Some extremophiles can tolerate high temperatures
  • No extremophiles can tolerate high pressure environments
  • Extremophiles cannot survive in environments where the light intensity varies
  • All extremophiles require low salt levels
Q.2
Animals can display features similar to those of poisonous animals, to deter predators. What is this known as?
  • Marquetry
  • Mimicry
  • Mockery
  • Minimalism
Q.3
Arctic animals have which adaptation to allow survival?
  • Ability to swim faster than their prey
  • Brown fur in the summer and white fur in the winter for camouflage
  • Thick layer of fat so they can survive hibernation
  • Small eyes and ears to keep out the cold
Q.4
How does a cactus avoid being eaten by animals?
  • It has spikes which prevent water loss by evaporation
  • It has a thick fleshy stem which stores water
  • It has deep roots to absorb as much water as possible
  • It has spikes which hurt the animal
Q.5
Microorganisms have to compete with each other for which of the following?
  • A mate
  • CO2
  • Light
  • Nutrients
Q.6
In order to survive, plants need: light, space, nutrients, water and what else?
  • Carbon dioxide
  • Hydrogen
  • Soil
  • Glucose
Q.7
What is the benefit of camouflage to an animal?
  • Helps it to thermoregulate
  • Ensures that it blends in with the surroundings
  • Makes sure that the predator or prey cannot see it as easily
  • Helps to cool it down
Q.8
Which one of the following resources is the least likely to be a limiting factor for plants?
  • Water
  • Carbon dioxide
  • Light intensity
  • Temperature
Q.9
Which of the following is a special adaptation for survival in desert plants?
  • Larger surface area to volume ratio
  • Reduced leaf surface area
  • Thorns
  • Increased number of stomata
Q.10
Animals compete with each other for which of the following resources?
  • A habitat
  • A territory
  • An ecosystem
  • An adaptation
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