O-LevelGeographyThe natural environment2217/22 · Oct/Nov 2011 · Q120 Marks

Study the 1:50000 map of Buhwa, Zimbabwe.

(a)(i)In which grid square is the confluence of the Ngezi and Runde rivers?[1]
(a)(ii)Give the six-figure grid reference of one of the reservoirs in Ingezi Station.[1]
(b)(i)What is the height of the trigonometrical station in grid square 3721?[1]
(b)(ii)Descending from this trigonometrical station, in which direction is the steepest slope?[1]
(c)Study the section of the map shown on Fig. 1. [Figure 1]
(c)(i)Name feature A.[1]
(c)(ii)Name feature B.[1]
(c)(iii)Name feature C.[1]
(c)(iv)What type of river crossing is used by the road at D?[1]
(d)Study Fig. 2, which shows a cross-section from 300200 to 360200. Use labelled arrows on Fig. 2 to show the position of: • the railway; • Ngezi river; • the west slope of Gwembudzi above 800 m. [Figure 2][3]
(e)Study the area of the map shown in Fig. 3. [Figure 3]
(e)(i)Which square contains a hut at an altitude of more than 800 m?[1]
(e)(ii)Describe the distribution of the huts in the area of Fig. 3.[3]
(e)(iii)Describe the relief and drainage of the area in Fig. 3.[5]

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Mark scheme

Marking points from the official mark scheme (Oct/Nov 2011). The mark or mark type is shown in brackets.

[1] (a)(i) 3417
[1] (a)(ii) 288227/8 OR 29 0/1 22 5/6
[1] (b)(i) 1329.6 metres
[1] (b)(ii) N/NW
[1] (c)(i) Weir
[1] (c)(ii) Dam
[1] (c)(iii) Staff quarters
[1] (c)(iv) Causeway OR Ford OR Through the river
[3] (d) Railway 22–24mm from left edge of section OR Ngezi river 63–68mm from left edge of section OR Western slope above 800m
[1] (e)(i) 3719
[3] (e)(ii) Edge of cultivation OR On track/cut line/game trail OR Near streams/small rivers/water supply OR In sparse bush OR Avoid highest land/most below 800m/in lower land
[5] (e)(iii) Runde river flows north to south/SSE OR Meanders OR Braiding/islands OR Main tributary Ngezi/on west bank OR Most drainage/many tributaries from NE to SW OR Dendritic pattern OR Rapids OR River at 696m spot height OR Contours from 700m to 1000m OR Highest point at 1000m OR Mountain/hills/Gwembudzi/highest land in north OR Valley OR Tributary valleys OR Steep in north OR steeper in the north/gentler in the south OR Gentle in south OR steeper in the north/gentler in the south OR Concave slopes OR Max. 4 for relief and max. 4 for drainage

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