GEOGRAPHY TOPICAL QUESTIONS AND ANSWERS

List Five process involved in chemical weathering and ways in which soil creep occurs

26/1/2021

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KCSE Geography Paper 1 1998 Section B Question 7.

(a) (i) What is the difference between weathering and mass wasting

Weathering is the break down/ disintegration and decomposition of rocks in site while weathered materials under the influence of gravity
(Weathering 2 mks)
(Mass wasting 2 mks)

(ii) List Five process involved in chemical weathering

Solution
Oxidation
Hydration
Carbonation
Hydrolysis

(b) Explain five ways in which soil creep occurs

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What is magma? Differentiate between a sill and a dyke.

26/1/2021

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KCSE Geography Paper 1 1998 Section A Question 2.

(a) What is magma?

It is the molten rock under the earth’s crust

(b) Differentiate between a sill and a dyke

A sill is a near horizontal/ tabular sheet of igneous rock formed from
solidified magma intruded between bedding planes, while a dyke is a shrub of intrusive rock which cuts near vertical/ discordantly across the bedding planes. ( no mark for one side only)

(c) The diagram below represents a composite volcano. Name the features marked P,Q, and R

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State two effects of the rotation of the earth

26/1/2021

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KCSE Geography Paper 1 1998 Section A Question 1.

The diagram below represents the earth on its axis. Use it to answer question

(a) (i) Name the latitude marked G

(i) Tropic of cancer ( 1mk)

(ii) What is the angle of inclination of the earth’s axis from it orbit?

(ii) 66 ½ degrees ( 1mk)

(b) State two effects of the rotation of the earth

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