## QUESTION ONE

Data in the following table show the enrolment of form one student at mji mpya secondary school from 2006 to 2010. Carefully study  them and answer the questions that follow

(a)    Present the data by using a simple bar graph

(b)   Comment on the trend of enrolment

(c)  Explain the advantages of the methods used in (a) above

## QUESTION TWO

State the difference between the following types of data

(a) Discrete and continuous

(b)   Single and grouped

## QUESTION THREE

Read carefully the hypothetical data presented below and then answer the questions that follow. Cash crops production in Tanzania in ‘000’ tons

(a)    Represent data above using a compound bar graph

(b) How the compound bar graph is of value to you? Give three points

(c)  Comment on the trend of production as observed from the graph

## QUESTION FOUR

Read carefully the climatic data for station A presented in the table and answer the question that follow

I. Describe the climatic condition of station A

II.      Name any two countries in the great lakes of East Africa that experience this type of climatic condition

III.  Present the data graphically

## QUESTION FIVE

Study the following data showing the production of Irish potatoes  in thousands (‘000’) tonnes in three villages in Tanzania from 2000 to 2002 then answer the question that follows

(a)  Construct a compound bar graph to show the production of Irish potatoes in the three villages

(b)   Give three advantages and two disadvantages of the compound bar graph

(c) Suggest any other three methods which could be used to present the data provided in the table

## QUESTION SIX

Classify the nature of geographical data

II.   The geography teacher of mtakuja secondary school obtained the following scores after marking the annual examinations of his students; 36,43,48,68,70,19,49,30,51,18,51,58,72,51,61,41,51,26

a)  Find the median of the score

b)  Calculate the arithmetic mean

c)  Determine the mode of the score

III.   Show the significance of the arithmetic mean in geographic data

## QUESTION SEVEN

Carefully study the hypothetical data provided below showing the exports of crops from Tanzania. The exports of crops in tonnes

(a)    Present the data using compound bar graph (b)   Explain two advantages and disadvantages of compound bar graph

## QUESTION EIGHT

(a)    Explain the meaning of standard deviation

(b)   Study the following data showing the age of primary school pupils at tumaini primary school and answer the question that follow; 15,8,7,6,12,5,14 and 13

I.     Determine the range and median of the age of students

II.  Calculate the standard deviation

## QUESTION NINE

The table below shows agricultural production in Tanzania from 2000 to 2003 in thousands (‘000’) tons

(a)    Present the data by using grouped bar graph (b)   Comment on the nature of production

## QUESTION ONE (CSEE NECTA 2008)

(a) Define soil profile using the knowledge you have studied on soil.

(b) With the aid of a well labeled diagram, illustrate soil profile.

(c) Explain four (4) factors that influence the development of soil profile.

## QUESTION TWO (CSEE NECTA 2007)

Explain the formation of barchans and seif dunes.

## QUESTION THREE (CSEE NECTA 2009)

With the aid of diagrams, explain the types of moraines.

## QUESTION FOUR (CSEE NECTA 2010)

River erosion is a continuous process. Explain the processes involved in river erosion.

## QUESTION FIVE (CSEE NECTA 2011)

Soils may differ from one area to another but they share almost the same components. Describe the composition of soil.

## QUESTION SIX (CSEE NECTA 2012)

(a)    What is earthquake?

(b)   Briefly explain five effects of an earthquake

(c)    Describe four ways of reducing the risk of earthquake

## QUESTION SEVEN (CSEE NECTA 2013)

With the aid of diagram explain five features formed by wave deposition

## QUESTION EIGHT (CSEE NECTA 2014)

(a)    Explain four mechanisms developed by plants in semi-arid regions to adapt to drought conditions

(b)   Describe characteristics of the equatorial forest.

## QUESTION NINE (CSEE NECTA 2015)

With the aid of well-labeled diagram, describe the internal structure of the earth