Other questions in this quiz

2. How does vaccination prevent future diseases?

  • Manufacture of memory cells. The memory lymphocytes can produce antibodies faster and in greater quantities.
  • Greater manufacture of lymphocytes and phagocytes, allowing a quicker destruction of bacteria
  • Gives body experience with disease, meaning lymphocytes remember the antibodies needed to destroy it.
  • Manufacture of more red blood cells, carrying oxygen to muscles to fight micro-organisms.

3. Which of these is NOT a quality produced by selective breeding?

  • Better balance of nutrients
  • Immunity to certain diseases
  • Resistance to pest damage
  • Resistance to certain diseases
  • Hardiness

4. How can a runner produce asexually?

  • Pollen is transferred from the male anther to the female stigma by wind or insects.
  • Seed tips are removed and placed in a solution encouraging root growth and growing into new plants.
  • As the plant grows, some part breaks away and touches the ground, growing into a new plant.
  • Seeds are dispersed by wind, water, or animals.

5. What does the hormone insulin do?

  • Stimulates the liver to become less permeable to glucose, increasing the concentration of urine.
  • Stimulates the liver cells to take up glucose and convert it into glycogen, lowering the blood levels of glucose.
  • Stimulates the liver to become more permeable to glucose, decreasing the concentration of it in urine.
  • Stimulates the liver cells to take up glycogen and convert it into glucose, increasing the concentration of the blood.

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