GEOGRAPHICAL TECHNIQUES 140 IMPORTANT MCQS PART 2 FOR NTA UGC NET
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Q.21. Which one of the following circumstances Pearson’s Coefficient of correlation is used?
(A) When the data set is positively skewed
(B) When the data set is negatively skewed
(C) When the data is normally distributed
(D) When the data is abnormally distributed
Answer: C
Explanation:
Q.22. Mean, Median and Mode Coincide if the distribution of value is
(A) Negatively Skewed
(B) Normal
(C) Positively Skewed
(D) Relative Distribution
Answer: B
Explanation:
Q.23. Match List-I with List-II and select the correct answer using the codes given below
| List-I
(Method) |
List-II
(Uses) |
| A. Isopleth | 1. Natural Grouping |
| B. Dot Maps | 2. Distribution of Population |
| C. Scatter Diagrams | 3. Wind Direction and Frequency |
| D. Star Diagrams | 4. Changes which are relative gradually |
Codes:
| A | B | C | D | |
| A. | 1 | 4 | 3 | 2 |
| B. | 4 | 2 | 1 | 3 |
| C. | 3 | 1 | 2 | 4 |
| D. | 2 | 3 | 4 | 1 |
Answer: B
Explanation:
Q.24. Which one of the following measurements is used for inequality distribution of farmer’s income subject to their landholding size of an area?
(A) Standard Deviation
(B) Coefficient of Variation
(C) Gini Index
(D) Correlation of Coefficient
Answer: C
Explanation:
Gini Index
In economics, the Gini coefficient, sometimes called the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income inequality or wealth inequality within a nation or any other group of people.
Q.25. The dot method of distribution refers to
(A) Iconic Model
(B) Graphical Model
(C) Symbolic Model
(D)Analogue Model
Answer: D
Explanation:
Analogue Model:
In the analogue models, .instead of using limitations of original or symbols to represent it, the feature being studied is compared with some completely different feature by means of an analogy.
An analogy model uses a better known situation or process to study a less well-known one. Its value depends on the researcher’s ability to recognize the element common to two situations.
These elements constitute the positive analogy; the dissimilar or negative analogy and irrelevant or neutral analogy are ignored.
Q.26. Which one of the following is a relative measure of dispersion?
(A) Standard Deviation
(B) Coefficient of Variation
(C) Range
(D) Quartile Deviation
Answer: B
Explanation:
The coefficient of variation (cv) is a statistical measure of the dispersion of data points in a data series around the mean.
The coefficient of variation represents the ratio of the standard deviation to the mean, and it is a useful statistic for comparing the degree of variation from one data series to another, even if the means are drastically different from one another.
Q.27. If a map is drawn on RF 1/5500, which one of the following representative fractions will be correct if the map is reduced to half?
(A) 1/2,750
(B) 1/5,000
(C) 1/11,000
(D) 1/33,000
Answer: C
Explanation:
Q.28. Which of the following is most suitable to show the inequality in the distribution
(A) Circle Diagram
(B) Isopleth
(C) Lorenz Curve
(D) Bar Diagram
Answer: C
Explanation:
In economics, the Lorenz curve is a graphical representation of the distribution of income or of wealth. It was developed by Max O. Lorenz in 1905 for representing inequality of the wealth distribution.
Q.29. Which one of the following techniques is not suitable for showing urban population on the map?
(A) Circles
(B) Divided Circle
(C) Spheres
(D) Hachures
Answer: D
Explanation:
Hachures are an older mode of representing relief. They show orientation of slope, and by their thickness and overall density they provide a general sense of steepness. Being non-numeric, they are less useful to a scientific survey than contours, but can successfully communicate quite specific shapes of terrain.
Q.30. The heights of individual points on topographical maps are indicated by
(A) Spot height only
(B) Benchmark only
(C) Triangulation point only
(D) All the above
Answer: D
Explanation:
Q.31. Which of the following is most appropriate for showing frequency of distribution
(A) Bar Graph
(B) Pie Diagram
(C) Line Graph
(D) Histogram
Answer: D
Explanation:
A histogram is an approximate representation of the distribution of numerical data. It was first introduced by Karl Pearson.
A histogram is a graphical display of data using bars of different heights. In a histogram, each bar groups numbers into ranges. Taller bars show that more data falls in that range. A histogram displays the shape and spread of continuous sample data.
Q.32. In which one of the following methods the interpolation is used
(A) Choroschematic
(B) Choropleth
(C) Isopleth
(D) Chorochromatic
Answer: C
Explanation:
Q.33. Which one of the following is commonly used for computing the average value of river discharge?
(A) Harmonic Mean
(B) Geometric Mean
(C) Arithmetic Mean
(D) Weighted Mean
Answer: B
Explanation:
Q.34. The sector diagram is also known as
(A) Pictorial Diagram
(B) Ring Diagram
(C) Block Pile Diagram
(D) Pie or Wheel or Circle Diagram
Answer: D
Explanation:
Q.35. Match List-I with List-II and select the correct answer from the codes given below
| List- I
(Mapping Technique) |
List-II
(Characteristics) |
| A. Chorochromatic | 1. Density of Population |
| B. Choroschematic | 2. Use of letters sign and symbol like R=Rice, W = Wheat |
| C. Isopleth | 3. Colour or Tint Layering |
| D. Choropleth | 4. Interpolation |
Codes:
| A | B | C | D | |
| A. | 3 | 2 | 4 | 1 |
| B. | 2 | 1 | 3 | 4 |
| C. | 4 | 1 | 3 | 2 |
| D. | 1 | 3 | 2 | 4 |
Answer: A
Explanation:
Q.36. Which one of the following is best suited to represent the decadal growth of population?
(A) Line graph
(B) Bar diagram
(C) Circle diagram
(D) Flow diagram
Answer: A
Explanation:
Q.37. In which of the following diagrams the relationship of relative humidity and temperature is depicted
(A) Hythergraph
(B) Ergograph
(C) Band Graph
(D) Climograph
Answer: D
Explanation:
Climograph
This graph was introduced by Griffith Taylor in first-half of 20th century. Koeppen used this graph to show the variations in the world climate. In the graph, the wet-bulb temperature (°F) is plotted on Y-axis and the relative humidity as monthly average on X-axis. Twelve points, for each month are plotted in the graph with respect to the temperature and relative humidity. These points are then joined to obtain a 12 sided figure, which is called the climograph of a particular place.
Raw It denotes wet-bulb temperature below 40°F and relative humidity over 70%.
Muggy It denotes temperature over 60°F and RH over 70%.
Scorching It denotes temperature over 60°F and RH less than 40%.
Keen It denotes temperature below 40°F and RH less than 40%.
The climograph was devised to show the scale of habitability for white settlers within the tropics.
Q.38. Which one of the following maps is known as “Dynamic Map”?
(A) Dot map
(B) Choropleth
(C) Isopleth
(D) Flow map
Answer: D
Explanation:
In cartography, flow maps are a mix of maps and flow charts, that “show the movement of objects from one location to another, such as the number of people in a migration, the amount of goods being traded, or the number of packets in a network”.
Q.39. Road accessibility can be represented by
(A) Bar Diagram
(B) Flow Line Diagram
(C) Pie Diagram
(D) Circle Diagram
Answer: B
Explanation:
Q.40. Map showing the depths of oceans and seas is termed as
(A) Ethnographic Map
(B) Orographic Map
(C) Geological Map
(D) Bathymetric Map
Answer: D
Explanation:
Bathymetric Map
A bathymetric map that depicts the submerged topography and physiographic features of ocean and sea bottoms. Their primary purpose is to provide detailed depth contours of ocean topography as well as provide the size, shape and distribution of underwater features.