Question 1
- Apart from tsetse fly control mention two other methods which are used to reclaim land in Kenya.
- State three control measures applied to eliminate tsetse flies in Kenya
Answer
-
- Draining of swamps.
- Irrigating dry lands -
- Bush clearing -It kills both the adult flies and pupae and destroy their breading grounds.
- Insecticide application by spraying using low flying aircraft.
- Sterilization by introducing sterility in the insect population.
Question 2
- Name two types of coal.
- State three factors that have contributed to the declining use of coal
Answer
-
- Anthracite.
- Bituminous / black coal. -
- Exhaustion of old mines.
- Thermal plants built to use oil for generation of electricity cannot use coal unless they are replaced.
- High production costs in extracting of coal.
Question 3
- State two advantages of using rail transport in Kenya
- Give three reasons why road transport is used more than air transport in East Africa
Answer
-
- Competition from other forms of transport, roads or pipeline which are faster, flexible
and cheaper.
- High cost of rail network maintenance and expansion. -
- Its cheaper than air transport.
- Its flexible.
- Provides door to door services.
Question 4
-
Define the following terms:-
(i) Sanctuary.
(ii) Game ranch. - Name one sanctuary in Kenya.
- List down two factors that favour wildlife conservation
Answer
-
(i) Sanctuary.
- It is an area that has been set aside within a national park or game reserve where endangered species are confined for special care and treatment.
(ii) Game ranch.
- It is an area where wild animals are reared privately - - Nakuru
-
- Establishment of game reserves, national parks and game sanctuaries.
- Ban on game hunting.
Question 5
- Name three functional zonal of a town.
- State two benefits of urbanization
Answer
-
- Central business district.
- Industrial zone.
- Residential zone. -
- Encourages national unity as people of different nationalities or ethic groups come together.
- Create employment opportunities through establishment of industrial and commercial activities..