Random Bio Facts Test!

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  • Created by: Polly
  • Created on: 30-04-15 18:42

1. Describe the tail of a sperm.

  • Contains enzymes that destroy outer egg surface.
  • Made of carbohydrate filaments allowing sperm to move.
  • Made of protein filaments enabling sperm to swim.
  • Contains mitochondria allowing sperm to swim.
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Other questions in this quiz

2. What is a reflex arc?

  • Stimulus, receptor, sensory neuron, CNS (relay neuron), motor neuron, effector, response
  • Stimulus, receptor, motor neuron, CNS (relay neuron), sensory neuron, effector, response
  • Stimulus, receptor, motor neuron, CNS (sensory neuron), relay neuron, effector, response
  • Stimulus, receptor, relay neuron, CNS (motor neuron), sensory neuron, effector, response.

3. What does the fovea do?

  • Contains rods and cones, traducing light energy to electrical energy.
  • Gives the clearest image.
  • Connects the eye to the brain.
  • Transparent, slightly refracts light.

4. What does the placenta do?

  • Connects the embryo's heart with the mothers, keeping beating regular.
  • Takes nutrients and O2 in, and takes waste and CO2 out.
  • Grows the umbilical chord, providing the embryo with nutrients.
  • Takes waste and CO2 in, and takes nutrients and O2 out.

5. What is the greenhouse effect?

  • The ozone layer is destroyed by the toxic greenhouse gases.
  • Some long wave radiation from the sun is absorbed by greenhouse gases and emitted back onto earth.
  • Some short wave radiation from the sun is absorbed by greenhouse gases and emitted back onto earth.
  • Radiation by the sun is absorbed by the greenhouse gases and does not emit back onto earth properly.

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