Geography Questions and Answers - Form 1 Mid Term 2 Exams 2023

QUESTIONS

1.                      
   1. Define the term Environment. (1mk)
   2. State two disciplines related to Geography. (2mks)
2. State two theories that try to explain the origin of the solar system. (2mks)
3. States four effects of the revolution of the earth. (4mks)
4. Give three reasons why the interior of the earth is thought to be very hot. (6mks)
5. If the local time in Nairobi at longitude 37oE is 10.00 am. What is the local time at Buchanan in Liberia longitude 10oW. (4MKS)
6. State the instrument for measuring the following elements of weather.
   ELEMENT                       INSTRUMENT
   Rainfall -
   Air pressure -
   Humidity -
   Wind direction -
7. What is a weather station? (2mks)
8. Name three types of thermometers used to measure temperature. (3mks)
9. using a diagram explain the formation of relief rainfall.
10. State four factors to be considered when siting a weather station. (8mks)
11. Name three forms of precipitation. (3mks)
12. Lines on the map connecting places with the same amount of rainfall are called -------- (1mk)
13. What are:
    1. Land breeze. (2mks)
    2. sea breeze (2mks)
14. Name the four layers of the atmosphere. (4mks)

MARKING SCHEME

1.                  
   1. Define the term Environment. (1mk)
      • Environmental refer to the external condition that surround a plant/animal. 
   2. State two disciplines related to Geography. (2mks)
      • Chemistry, History, Economics, Physics, Civil engineering, Geology, Demography.
2. State two theories that try to explain the origin of the solar system. (2mks)
   • Passing star theory
   • Nebula cloud theory
3. States four effects of the revolution of the earth. (4mks)
   • Changes in the position of the mid-day sun at different times of the year.
   • Varying lengths of the day and night.
   • The four seasons
   • Causes lunar eclipse.
4. Give three reasons why the interior of the earth is thought to be very hot. (6mks)
   • In the process of cooling after breaking away from the sun the interior of the earth cooled at a slower rate than the outer part
   • The weight of the overlying burden or materials exerts pressure on the core.
   • Radio activity.
5. Difference in longitude 37 + 10
   • = 47º
     If 1º → 4 min
     = . .  .  47º →  47 x  4  
                                1
     =  188 = 3 hrs 13 min.
         60
     Buchana is behind
     10.00am – 3hr 13 min.
     = 6.47am
6.                          
   • Rain fall – Rain gauge
   • Air pressure – Barometer
   • Humidity - Hygrometer
   • Wind direction – Wind vane
7. A weather station is a place where measurement recording and reading of weather  elements are taken.
8.          
   • Minimum thermometer.
   • Maximum thermometer
   • Six’s thermometer
9.                            
10.                           
    • Should be located in an open space where there is free flow of air.
    • It should not be near objects such as buildings, vegetation or other structure s that might cause obstruction.
    • The site should be relatively flat free from flooding.
    • Secure
11.                
    • Dew
    • Rainfall
    • Mist and fog
    • Frost
    • Snow
12. Isolytes
13.                
    • Land breeze are cool air that move from the land to the sea during night  time.
    • Sea breeze is cool air that moves from the sea to the lands during the day.
14.                    
    • Troposphere
    • Stratosphere
    • Thermosphere
    • Mesosphere