___________ is a layer of very fine wind-deposited sand and silt?
- A. loess
- B. seif
- C. barchan
- D. bajada
__________ is a highland area which seperates the headstreams of rivers flowing in different directions but rising from the same mountainous source
- A. flood plain
- B. cuesta
- C. watershed
- D. plateau
Which of the following is a way of controlling soil erosion
- A. Overgrazing
- B. Contour ploughing
- C. Deforestation
- D. Bush burning
The soil gains nitrogen through one of the following except
- A. Denitrification
- B. Application of organic manure
- C. Electrical discharge
- D. Symbiotic nitrogen fixation
Which of the following is an effect of the earth’s revolution?
- A. Day and night
- B. It determines a year
- C. Dawn and Twilight
- D. Apparent Sunrise and sunset
What is the process of lowering and levelling of the earth surface by gradual breaking and wearing away of such earth’s surfaces.
- A. Weathering
- B. Denudation
- C. Relief
- D. Mass wasting
________is the failure of the end point of a closed traverse to fall exactly on the point of origin of the transverse
- A. Error of compass
- B. Traverse error
- C. Error of closure
- D. Field error
One of the following surveying instruments is used to set out lines at right angles to the main chain line
- A. Optical square
- B. Station pegs
- C. Offset staff
- D. Steel Band
One of the following is not a problem involved in harnessing solar energy?
- A. Poor technological know-how
- B. Adequacy of capital
- C. Unreliability
- D. Fear of competition with established energy sources
Which of the following is a problem of landlocked countries
- A. security of goods
- B. political stability
- C. low freight cost
- D. political indepedence
Which of the following is a vegetation characteristics of the Tropical rainforest?
- A. Trees are not in pure stand
- B. Tough, small, leathery, hairy leaves to guard against excessive transpiration
- C. Trees are conical in shape
- D. there is high undergrowth
Which of the following is not a graphical representation of statistical data?
- A. Choropleth map
- B. Dot map
- C. Shaded map
- D. Star graph
The part labelled X in the soil profile above is known as
- A. top soil
- B. sub soil
- C. parent materials
- D. bedrock
The type of water left in the soil after excess water has been drained off, following heavy rainfall is known as
- A. Field capacity
- B. Field capacity
- C. gravitational water
- D. hygroscopic water
Where the salinity of an ocean is high;
- A. the ocean water is dense and flows at the ocean surface towards a low salinity area
- B. the ocean water is dense and creeps at the bottom of the ocean towards low salinity areas
- C. the ocean water is light and flows at the area surface towards a high salinity area
- D. the ocean water is light and flows at the ocean surface towards a low salinity area
On maps, lines drawn to join all places in the ocean having equal degree of salinity are called
- A. isohalines
- B. isobars
- C. isosalines
- D. isossal
Which of the following processes leads to the loss of carbon from the air
- A. combustion
- B. combustion
- C. putrifaction
- D. photosynthesis
_______ is defined as the total surrounding or medium of any organism in a given area
- A. Biotic component
- B. Abiotic component
- C. Environment
- D. Ecosystem
In a combined maximum and minimum thermometer, the difference between the hottest and coldest daily temperature for that day gives the
- A. Diurnal range of temperature
- B. Mean daily temperature
- C. Minimum daily temperature
- D. Maximum daily temperature
_______ is the condition of the lower atmosphere of a place over a short period
- A. climate
- B. weather
- C. cloud
- D. humidity
The following are seaports used in the North Atlantic sea route except
- A. Lagos-Antwerp
- B. Lagos-Montreal
- C. Lagos-Southampton
- D. Lagos-Rotterdam