Random Bio Facts Test!

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

1. What is the greenhouse effect?

  • Radiation by the sun is absorbed by the greenhouse gases and does not emit back onto earth properly.
  • Some short wave radiation from the sun is absorbed by greenhouse gases and emitted back onto earth.
  • Some long wave radiation from the sun is absorbed by greenhouse gases and emitted back onto earth.
  • The ozone layer is destroyed by the toxic greenhouse gases.
1 of 20

Other questions in this quiz

2. Describe the neck of a sperm.

  • Contains nucleus of sperm.
  • Main site of respiration, allowing the sperm to swim.
  • Contains mitochondria providing energy for sperm movements.
  • Contains protein filaments providing energy for sperm.

3. What is a reflex arc?

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

4. What effect does a mutation have on an enzyme?

  • Changes it's shape, changing the time taken to reach it's activation energy.
  • Causes cancer.
  • Changes it's active site, meaning the substrate no longer fits.
  • Denatures it, meaning its activation energy greatly increases.

5. Where are ova produced?

  • In the stamens of the anthers.
  • In the ovules of the ovaries.
  • In the anthers of the stamens.
  • In the ovaries of the ovules.
View more questions

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all EVERYTHING resources »