41.
Which one of the following gases plays a decisive role in affecting the climate of earth?
A
Oxygen
B
Nitrogen
C
Carbon dioxide
D
Hydrogen
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Which one of the following gases plays a decisive role in affecting the climate of earth?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Which one of the following disease is caused by bacteria:
Tuberculosis
Small Pox
Rabies
Which of these major illness is caused due to non availability of sanitation facilities?
Fever
Cold
Diarrhoea
Which of these diseases can happen from drinking contaminated water?
Pneumonia
Small pox
Malaria
Cholera
Which of the following type of teeth is used for grinding food?
Molar
Incisor
Canine
Milk teeth
Which of the following is true about bacteria?
Bacteria multiplies and grows faster in warm environments.
Bacteria needs air to survive.
Every type of bacteria can give people food poisoning.
By freezing food you can kill bacteria.
Which of the following is not a type of waste water?
Sullage
Sewage
Grey water
Black water
Which of the following is a biodegradable form of solid waste?
Plastic
Compost
Glass
Which of the following does bacteria need to assist it to grow and multiply?
Water.
Food.
Warm temperatures.
All the above.
Which is the tank on the back of a toilet?
Soap tank
Septic tank
Flush tank
None
Which is the cleanest Country in the world?
Singapore
Cuba
Austria
France
Which fruit is rich in potassium?
Banana
Orange
Pear
Mango
Which country uses the term New Water for recycled water
Singapore
Hongkong
China
Which country consumes the most energy in the world?
Russia.
China.
The United States.
India.
Which agency handles global health issues?
the World Health Organization, WHO
the Food and Agriculture Organization, FAO
the Centres for Disease Control, CDC
the Food and Drug Administration, FDA
Where do most of the people without access to safe water live?
Asia
Oceania (the Pacific islands)
Africa
All of them
When should one wash hands?
Before and after having meal
After using toilet
Before preparing food
All the above
When replacing an old toilet, what designer option do you have?
size
colour
both of them
no options
What would happen if the toilet float malfunctioned and the water kept flowing?
There would be a flood.
The water would flow into the refill tube, preventing a flood.
The water would turn off when the water level reached the tank lid.
None
What would happen if all the fungi and other decomposers disappeared?
nothing
the air would be cleaner
bodies of dead plants and animals would pile up
soil would have more nutrients