A radio message sent from a location on longitude 15°W at 7.00 a.m is received at another location at 2.00 p.m on the same day. What is the longitudinal position of the other location?
คำตอบ
(C)
90°E
2
From a point, the whole circle bearing of a line is 135°. A clockwise angle from the line was measured to be 260° to another line. What is the whole circle bearing of the later line?
คำตอบ
(B)
125°
3
The most important factors that determine the amount of water that a rock later can hold are its ?
คำตอบ
(A)
hardness and permeability
4
The stratification of sedimentary rocks is mainly caused by?
คำตอบ
(B)
deposition of rocks particles in layers
5
Steeps-sided and flat-floored valleys found in hot desert are the products of?
คำตอบ
(B)
wind abrasion
6
The older fold mountains are much lower in elevation and less rugged than the younger ones largely because they?
คำตอบ
(C)
have experience a longer period of denudation
7
An off-shore bar formed by corals is known as?
คำตอบ
(C)
a fringing reef
8
The difference in the readings on the dry and wet bulb thermometers is used to determine?
คำตอบ
(D)
relative humidity
9
Which of the following produces a continuous record of atmospheric pressure?
คำตอบ
(B)
Barometer
10
In which of the following types of vegetation would broad-leaved evergreen, lianas and epiphytyes be commonly found?
คำตอบ
(C)
Tropical rainforest
11
A tree unique to the tropical Monsoon climate is the?
คำตอบ
(C)
teak
12
The fertility of the soil in a typical tropical rainforest is maintained by the?
คำตอบ
(C)
abundant supply of litter
13
The main process of soil formation in the cool temperate continental grasslands of the world is?
คำตอบ
(A)
calcification
14
The most critical cause of desertification in Nigeria is?
คำตอบ
(D)
excessive pressure of land use
15
One of the soil- related problems of irrigation in the savannah region is increasing?
คำตอบ
(D)
exhaustion
16
The state of equilibrium reached by the vegetation of an area when it is left undisturbed for along period of time is called its?
คำตอบ
(A)
climax
17
One of the major environmental problem facing agriculture and forestry in North America, which can be attributed to modern industrial development is?
คำตอบ
(D)
acid rain
18
A broad- based population structure implies a?
คำตอบ
(B)
high dependency ratio
19
A major world population problem is that countries which have very large populations and very high population growth rates are generally those which?
คำตอบ
(D)
are least able to provide for the population
20
The growth in population in a city is usually due to?
คำตอบ
(D)
high birth rate and low death rate
21
Which of the following areas has been an important source of migration into North America?
คำตอบ
(C)
South America
22
Which of the following statements about the relationship between urban and rural areas is TRUE?
คำตอบ
(D)
Urban centres and rural areas are interdependent
23
Which of the following group of settlements is arranged in order of increasing size?
คำตอบ
(C)
Hamlet village, town, city, conurbation, megaloplis
24
Which of these sets of features enhance the nucleation of settlements?
คำตอบ
(A)
Route intersections and wet points
25
A good overland transportation system promotes economic development because it?
คำตอบ
(A)
fosters interregational trade
26
Which of the following groups of products is transported in large quantities on the st. Lawrence Great Lakes Waterways?
คำตอบ
(B)
Wheat, iron ore and crude oil
27
The movement of some industries from Europe to South East Asia in recent times is due mainly to?
คำตอบ
(A)
lower production costs in South East Asia
28
The major wheat producing regions of the world are characteristically?
คำตอบ
(C)
extensive continental plains with loamy soils
29
The industrial development of the Black Sea region of Ukraine is based mainly on?
คำตอบ
(A)
coal and iron ore
30
The predominant type of agriculture in the eastern part the source of the raw material is?
คำตอบ
(B)
mixed farming
31
Which of the following industries is best located near the source of raw materials?
คำตอบ
(B)
Petroleum refinery
32
The use of the Nile for transportation purpose is limited mainly by?
คำตอบ
(B)
seasonal flooding
33
The greatest hydro-electric power potential in Nigeria is found in the?
คำตอบ
(C)
Niger-Benue trough
34
The most common traditional method of restoring soil fertility in Nigeria is?
คำตอบ
(C)
the growth of slums
35
One adverse consequence of rapid urbanization in Nigeria is?
คำตอบ
(C)
the growth of slums
36
Which of the the following towns is on the railway between Lagos and Kaduna?
คำตอบ
(B)
Minna
37
The most urbanized part of Nigeria is the?
คำตอบ
(D)
south-west
38
A typical example of an inland drainage basin in Africa is the?
คำตอบ
(C)
Lake Chad Basin
39
The location of most of the light manufacturing industries in Africa is determined primarily by the location of?
คำตอบ
(B)
markets
40
The major pastoral ethnic groups in Africa include the?
คำตอบ
(C)
Masai, Fulani and Tuareg
41
Which of the following group of countries constitutes the Chad Basin Commission?
คำตอบ
(C)
Cameroon, Libya, Chad and Sudan
42
An inter-zonal soil commonly found in arid regions are characterized by strong salt solutions that form white crusts on the surface, is a?
คำตอบ
(D)
Podzol
43
In which of the following countries is cotton growing under irrigation the mainstay of the agricultural economy?
คำตอบ
(C)
Sudan
44
The temperature in the month of December at station Y is
