Download App

Why Do we Fall Ill — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do we Fall Ill1 Mark
MCQ
We can 'fool our immune system into developing memory for a particular infection by:
  • A
    Providing safe drinking water.
  • B
    Living in places that are not overcrowded.
  • C
    Providing clean environment and hygienic food.
  • ✓
    Vaccination / immunisation.
✓

Answer

Correct option: D.
Vaccination / immunisation.
By providing vaccination, we can fool the immune system into developing a memory for a particular infection by putting something, that mimics the microbe we want to vaccinate against, into the body.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Why Do we Fall Ill→Why Do we Fall Ill — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Pure copper sulphate can be obtained form an impure sample by the process of:
→
Among the following statement, point out the incorrect separation technique:
  1. Separation of colloidal particles from solution$-$centrifugation.
  2. Separation of two miscible liquids separating funnel.
  3. Separation of pure substance from its impure form$-$crystallisation.
  4. Separation of components with the help of same solvent$-$chromatogaphy.
→
Each of the following statement describes a force acting. Which force is causing work to be done?
→
Which one is an acute disease:
→
An earth-like planet has a radius equal to double the earth's radius. The acceleration due to gravity on its surface will be:
→
Earth goes round the $SUN$ with:
→
The cell organelle found in prokaryotes as well as eukaryotes is
→
In the lung fishes, the heart is:
→
Area under a $v – t$ graph represents a physical quantity which has the unit:
→
Which of the following represent the suitable condition for the liquefaction of gases?
→