Fill in the blanks.

(a) Cleanliness, rest and sleep, and physical exercise are a part of …………… hygiene.

(b) One must always breathe by the …………… and never by the …………… .

(c) Fresh air brings …………… into the living rooms.

(d) One must never put a sharp pointed object into the ……………, it may rupture the …………… .

(e) For adults 6-7 hours of continuous undisturbed …………… is sufficient.

(f) The municipal bodies must ensure the supply of clean germ-free …………… and an efficient …………… disposal.

Tick-mark the correctly matched pairs of certain animals and their related diseases/habits.

1. Culex — yellow fever
2. Aedes — filariasis
3. Anopheles — malaria
4. Gambusia — eat up mosquito larvae
5. Rat flea — diarrhoea
6. Cockroaches — breed in man-holes

Mention if the following statements are True (T) or False (F)

1. Contamination means entry of germs by insect bite.
2. Sewage is the commonest source of contamination of water in the cities.
3. Cholera is marked by acute diarrhoea and no urination.
4. Typhoid is caused by a type of worm.
5. Mosquitoes are the source of dysentery germs.

No urination due to shortage of water in the body is a typical symptom of

1. Typhoid
2. Malaria
3. Dysentery
4. Cholera