Download App

Why Do We Fall — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do We Fall3 Marks
Question
Explain the methods of, prevention of malaria.
✓

Answer

Methods of prevention of Malaria:
  1. Wire-gauze should be used on doors and windows of houses to prevent entry of mosquitoes.
  2. One should sleep under mosquito nets.
  3. Insect-repellents should be used to prevent mosquito-bite.
  4. Mosquito larvae can be killed by sprinkling kerosene oil on large-sized water bodies.

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 3 Mark )" from Why Do We Fall→Why Do We Fall — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What we do get from cereals, pulses, fruits and vegetables?
→
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
→
Write two limitations to be kept in mind, while treating an infectious disease.
→
  1. Name the phenomenon which helps fresh water unicellular organisms (e.g. Amoeba) continuously gain water in their bodies. Also, name the mechanisms by which these organisms throw out excess of water from their bodies.
  2. Give at least two examples in plants where similar phenomenon in used to gain water.
→
What do you rnean by hygroscopic water and combined water in the soil? Are these available to plants?
→
Explain how does the body react after the entry of microbe in the body.
→
Explain how, impure copper sulphate can be purified by crystallization.
→
How many centres have been established in India for artificial insemination of cows and buffaloes?
→
Derive the relation between commercial unit of energy $(kWh)$ and $SI$ unit of energy (joule).
→
How do substances like $CO_2$ and water move in and out of the cell? Discuss.
→