Download App

Why Do we Fall Ill — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do we Fall Ill2 Marks
Question
Name any two ways by which microorganisms can find entry into human body.
✓

Answer

  1. When we drink contaminated water they enter through our mouth.
  2. When any one sneezes then we inhale the germs then they enter through our nose.

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 "Que-Ans (Each of 2 Mark )" 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

Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
→
Find the energy possessed by an object of mass $10\ kg$ when it is at a height of $6m$ above the ground. $[g = 9.8 ms^{-1}]$
→
Define relative density. What is the $SI$ unit of relative density?
→
In what way, amphibians are advanced than the fishes?
→
If one mole of nitrogen molecules weights $28\ g$, calculate the mass of one molecule of nitrogen in grams.
→
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
→
A ball is thrown vertically upwards with a velocity of $49m/ s$. Calculate
  1. The maximum height to which it rises
  2. The total time it takes to return to the surface of the earth.
→
What is chlorination?
→
What is the main function of each of the following organelles?
  1. Ribosome.
  2. Cell wall.
→
Why are car seat-belts designed to stretch somewhat in a collision?
→