FORM THREE GEOGRAPHY TERMINAL EXAMS 2022

 

THE UNITED REPUBLIC OF TANZANIA

PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

UKEREWE DISTRICT COUNCIL

FORM THREE TERMINAL EXAMINATIONS - 2022

GEOGRAPHY

INSTRUCTIONS                                                                                     TIME: 3 HOURS

1. This paper consist of section A, B and C.

2. Answer all questions from section A and B and only one question from section c.

SECTION A

1. Choose the correct answer

i) Rocks rich in silica and aluminum from  a layer of the earth’s crust called

A. Sima     B. Sial   C. Mantle   D. Core

ii) Continents and their respective mountains are formed on the

A. Sial  B. Mantle   C. Mohorovic    D. Magma

iii) Igneous rocks are

A. Crystalline   B. Not very hard   C. Formed in layers   D. Metamorphic

iv) Earth quakes may be caused by the following except

A. Tension forces    B. Lateral movement  C. Soil  erosion D. Vertical movement.

v) The dominant agent of erosion, transportation and deposition in arid and semi arid regions is called

A. Running water  B. Ice  C. Wind  D. Waves.

vi) Erosion by wind takes place through the process of..

A. Abrasion, attrition and deflation.

B. Abrasion, collision and blowing

C. Collision, abrasion and attrition.

D. Deflation, blowing and dust.

vii) The most active agent of Marine erosion and deposition is.

A. Wave B. Current C. Tide   D. Wind.

viii) Marine erosion is constant action of

A. Wind and running water B. Waves current and tides.

C.Swash and backwash       D. Wave break

ix) Renewal of a river’s power to erode its valley is called…..

A. River capture   B. River meanders

C. River rejuvenation D. River drainage

x) Meanders and oxbow lakes are characteristics features of rivers in the.

A. Erosion and transportation  B. Erosion and deposition

C. Transportation and deposition   D. Erosion only.

2. Write TRUE for correct statement and FALSE for an incorrect statement.

i) The Geological time scale describe how rocks were formed.

ii) All rocks contain economically valuable minerals.

iii) Metamorphic rock are not hard as igneous rocks……

iv) Weathering is economically important to humans……………..

v) Cleaning of natural vegetation enhances the possibility of mass wasting………. 

vi) Saltation is a process transporting materials by bouncing on the ground……….

vii) Human activities accelerate erosion by wind………….

viii) Loess areas are not good because they constitute soils that are formed from fine-grained dust blown by wind from desert…….

ix) Hydration and hydrolysis are basically similar process of chemical weathering …

x) Limestone and chalks are sedimentary rocks formed mechanically……

3.Fill in the blanks by selecting the correct answer from the box.

Humus, parent rock, soil, water, aeration, time, ice cap, glacier

 

i)……………….determines the mineral composition of soil.

ii) ………………reduces the supply of oxygen in the soil.

iii) …………………is derived from decaying plants and animals as well as their wastes.

iv)…………………plays an important role in soil formation.

v) A mass of moving ice is known as……………………

4. Match the item in column A against its corresponding item from column B.

COLUMN A

COLUMN B

i. Water in a solid form ii. Removal of blocks of rocks due to ice action. iii. Erosional features caused by action of ice in the highlands. iv. Moving mass of ice. v) Glacial depositional features which may hinder cultivation if they occur in large numbers. vi) Frozen water in powder form. vii) Rock particles and fragments mainly transported by glacier. viii) Movement of weathered material due to gravity. ix) Rock disintegration which does not involve chemical process. x) A dome-shaped intrusive feature.

(a) Snow (b) Ice (c) Glacier (d) Arete, corrie and pyramidal peak. (e) Abrasion (f) Plucking (g) Moraines (h) Roche moutenee (i) Erratic (j) Denudation. (k) Mass wasting. (l) Biological weathering. (m) Mechanical weathering. (n) Laccolith. (o) Batholith.

 

SECTION B

Answer all questions

5. Differentiate between

a) Greyser and hot spring

b) Caldera and Crater

c) Fissures and vents.

d) Corrasion and Corrosion.

e) Swash and backwash.

6. Describe with aid of diagrams the five types of drainage pattern.

7. How does the process of wind transportation occur?

SECTION C.

Answer all question from this section

8. In which ways can the physical features associated with ice and glacier be turned into economic opportunities?

9. What are the conditions necessary for the formation of an ox-bow lake?

10. explain the importance of coastal depositional features.