Question
Name any two disease carries and also suggest methods of their control.
✓
Answer
(i) Cockroaches.
They can easily be controlled by spraying D.D.T., malathione or commercially available sprays like baygon etc.
(ii) Flies.
They can be controlled in following ways:
(a) Removing human faeces, stable manure and garbage at regular intervals and disposing them off
(b) Killing adult flies by using fly swatters, spraying D.D.T, chlordane etc. or some other chemicals like pyrethrum, B.H.C etc.
They can easily be controlled by spraying D.D.T., malathione or commercially available sprays like baygon etc.
(ii) Flies.
They can be controlled in following ways:
(a) Removing human faeces, stable manure and garbage at regular intervals and disposing them off
(b) Killing adult flies by using fly swatters, spraying D.D.T, chlordane etc. or some other chemicals like pyrethrum, B.H.C etc.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write various advantages of vegetative propagation.
Give the structure and function of the following:
Collenchyma
Collenchyma
What is the function of the pollen tube? Explain it with the help of a diagram.
Give two advantages and two disadvantages each of self and cross pollination.
Given below is a diagrammatic sketch of the vertical section of the human skin.
Label the parts numbered from 1 to 9.
Label the parts numbered from 1 to 9.
Differentiate between: Blood and Lymph
What are the adaptations which are required in cross-pollinated
| Column I | Column II |
| (a) Mosquito | (i) DDT |
| (b)Plasmodium | (ii) Dengue |
| (c)Entamoebahistolytica | (iii) Vector |
| (d)Aedesmosquito | (iv) Malaria |
| (e) Insecticide | (v) Dysentery |
Observe the given figure and answer the following questions:
(i) What is shown in the figure?
(ii) Label the parts marked 1, 2 and 3.
(iii) Name a plant which shows this phenomenon.
(i) What is shown in the figure?
(ii) Label the parts marked 1, 2 and 3.
(iii) Name a plant which shows this phenomenon.
Difference between
Striated and Unstriated muscles
Striated and Unstriated muscles