GEOGRAPHY TOPICAL QUESTIONS AND ANSWERS - ATIKA SCHOOL

The diagram below shows the hydrological cycle. Name the stages marked E, F, and G

21/2/2021

KCSE Geography Paper 1 2005 Section A Question 2.

(a) The diagram below shows the hydrological cycle.

(a) The diagram below shows the hydrological cycle. Name the stages marked E, F, and G (b) Differentiate between watershed and a catchments area

Name the stages marked E, F, and G

E – Surface run off
F – Evaporation
G – Condensation

(b) Differentiate between watershed and a catchments area

A watershed is a ridge / high ground that separates two or more river basins, while a catchments area is the entire area from which a river draws its waters.

The diagram below shows a hydrological cycle.

15/2/2021

KCSE Geography Paper 1 2009 Section B Question 7.

The diagram below shows a hydrological cycle.

The diagram below shows a hydrological cycle. (a) (i) What do the arrows labeled K, L, and M on the cycle represent? (ii) Explain three factors that influence the occurrence of surface run- off (b) (i) What is mass wasting? (ii) Give two processes of slow mass movement (iii) State two physical conditions that may influence landslides (c) Describe the following processes of mass wasting (i) Rock fall (ii) Subsidence (iii) Mud flows (d) Explain the effect of mass wasting on the following (i) Tourism (ii) Soil fertility

(a) (i) What do the arrows labeled K, L, and M on the cycle represent?

K-Radiation/ half from the sun/ sun’s rays/ in solution
L-Percolation/ Underground water
M-Evapotranspiration / Evaporation/ water vapour

(ii) Explain three factors that influence the occurrence of surface run- off

Amount of water/ nature of rainfall- there should be sufficient rainfall to make the soil saturated in order to allow the excess water to flow on the surface/ intense rainfall accelerates the rate of surface run off be steep 15
Gradient of the land- The gradient of the slope should be steep to allow flow of water by gravity
Nature of rocks/ soils- The rocks/ soil should be responsible to allow for limited infiltration and percolation for the excess water to form surface run- off
Water table/ level of saturation – the water table should be high to reduce infiltration and allows surface run- off

(b) (i) What is mass wasting?

It is the movement of weathered/ rock material down the slope under the influence of gravity

Identify two types of high level clouds.

11/2/2021

KCSE Geography Paper 1 2010 Section A Question 2.

(a) Identify two types of high level clouds.

Cirrus
Cirro — cumulus
Cirro — stratus

(b) Draw a well labelled diagram of a hydrological cycle.

(a) Identify two types of high level clouds. (b) Draw a well labelled diagram of a hydrological cycle.

Clouds
Rain
Infiltration /Surface run-off-
Land/ocean /water body
Evaporation/evapotranspiration
Condensation

Give three processes in the hydrological cycle.

2/2/2021

KCSE Geography Paper 1 2014 Section A Question 3.

(a) Give three processes in the hydrological cycle.

Evaporation/ evapotranspiration / moist air rising/moist air rising.
Condensation/ moist air cooling
Infiltration/ percolation
Surface runoff/ overland flow
Precipitation/ rainfall / snow fall

(b) State four factors that facilitate deposition in rivers.

Reduction in river gradient which decreases the velocity of water.
Freezing of river water leads to embedments of the load in the ice.
River entering a large water body reduces the speed of the river flow.
Presence of obstacles on the river course which blocks some of the load.
Reduction in river volume which reduces the strength of the river.
Increase in width of the channel makes water to spread over wide area.
Increase in the amount of load / size of the load

(a) Give three processes in the hydrological cycle. (b) State four factors that facilitate deposition in rivers.

Define the term hydrological cycle.

29/1/2021

KCSE Geography Paper 1 2017 Section B Question 9.

(a) (i) Define the term hydrological cycle.

Hydrological cycle is the continuous movement of water from the air to the earth surface and back to the air.

(ii) Give three factors that influence the occurrence of surface runoff.

The amount of rainfall
The gradient of the land
The nature of the rocks/soil
The watertable
Vegetation

(iii) State the significance of the hydrological cycle.

Evapotranspiration increases water in the atmosphere
It helps to regulate the surface water/underground water and water in the atmosphere.
It provides underground water through percolation.
Large rivers drain into oceans and lakes to form water bodies.
Water evaporates from the ground causing drying up of water bodies/arid conditions.
It controls the elements of weather such as temperatures/humidity and rainfall.
Water vapour maintains the heat energy in the atmosphere
Moisture in the atmosphere influences both solar/ terrestrial radiation.

(a) (i) Define the term hydrological cycle. (ii) Give three factors that influence the occurrence of surface runoff. (iii) State the significance of the hydrological cycle. (b) Describe how the following lakes were formed. (i) morraine dammed lake (ii) oxbow lake (c) Explain ways in which lakes modify the climate of the surrounding areas. (d) Give four reasons why some lakes have fresh water.

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