neco model questions vol1 2020 geography | Practical

Prepare for your exams with neco model questions vol1 questions? Reviewing past/model questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2020 geography (Practical) questions designed to simulate the real exam environment.

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Question 1 View Details
A topographic map of a region is drawn at a scale of 1 cm : 2 km. The map shows three villages A, B and C. Their grid coordinates (in centimetres) measured from the origin (south‑west corner) are: A (12.3, 8.7), B (18.5, 14.2) and C (25.0, 9.0). The map also indicates that the elevation at A is 150 m, at B is 210 m and at C is 180 m. The river between B and C runs essentially east‑west and the straight distance along the river between the two villages is 5 km.
Question Parts
(a)
Calculate the straight‑line distance between villages A and B on the ground (in kilometres, to one decimal place).
(b)
Determine the bearing of B from A (to the nearest degree, measured clockwise from north).
(c)
Find the vertical height difference between A and B and compute the average gradient of the line AB as a percentage (to two decimal places).
(d)
If a person walks along the riverbank from B to C, the shortest possible distance is the 5 km length of the river. Compare this with the straight‑line distance between B and C and comment on how the terrain influences travel distance.
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Question 2 View Details
A student is given two maps of the same area. Map X is drawn at a scale of 1 cm : 500 m and Map Y at a scale of 1 cm : 2 km. On Map X the distance between towns D and E measured with a ruler is 7.4 cm. On Map Y the same two towns appear 2.8 cm apart.
Question Parts
(a)
Determine the actual ground distance between D and E using each map and comment on the consistency of the two measurements.
(b)
If the student wishes to produce a new map at a scale of 1 cm : 1 km, calculate the length that should be drawn between D and E on the new map, using the average of the two ground distances obtained in part (a).
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Question 3 View Details
The latitude and longitude of City A are 6°30' N and 7°30' E respectively. The latitude and longitude of City B are 5°15' N and 9°45' E respectively. Using the approximation that 1° of latitude equals 111 km and 1° of longitude equals 111 km × cos(average latitude), determine the straight‑line distance between the two cities.
Question Parts
(a)
Convert the coordinates of both cities to decimal degrees.
(b)
Find the average latitude of the two cities and the cosine factor to be used for the longitude conversion.
(c)
Calculate the straight‑line distance between City A and City B using the Pythagorean approximation described.
(d)
State two possible sources of error in this method of distance determination.
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Question 4 View Details
A weather station recorded the following observations for a consecutive seven‑day period: Day 1: Max 32°C, Min 24°C, Rainfall 5 mm, Wind NE 12 km/h Day 2: Max 34°C, Min 25°C, Rainfall 0 mm, Wind E 8 km/h Day 3: Max 31°C, Min 23°C, Rainfall 12 mm, Wind N 10 km/h Day 4: Max 33°C, Min 26°C, Rainfall 0 mm, Wind NE 15 km/h Day 5: Max 35°C, Min 27°C, Rainfall 0 mm, Wind E 9 km/h Day 6: Max 30°C, Min 22°C, Rainfall 20 mm, Wind N 11 km/h Day 7: Max 29°C, Min 21°C, Rainfall 8 mm, Wind NE 13 km/h Using this data, answer the following questions.
Question Parts
(a)
Calculate the mean (average) temperature for each day.
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