In surveying, fixed obstacles are best dealt with by?

A. avoiding them

B. using abney level

C. removing them

D. laying offsets

The most suitable statistical diagram to show spatial distribution of population is the?

A. divided circle

B. dot map

C. pie chart

D. line graph

The main purpose of any ground survey is to

A. make an accurate map of a part of the earth's surface

B. measure and record lines and angles of a places

C. derive accurate baseline data for urban planning

D. have a detailed knowledge of the geology of a place

The main advantage of plane tabling as a survey method is that it?

A. is a fast method

B. gives accurate results in most situations

C. is an all weather method

D. requires little or no skill to use

Bees and butterflies are important to flowering plants because they?

A. pollinate the plants

B. satisfy human needs

C. produce honey

D. extract excess nectar

A depositional landform occurring where streams emerge a mountain area in a desert is?

A. a seif dune

B. a playa lake

C. a rock pedestal

D. an alluvial fan

The prairies of North America are?

A. montane grasslands

B. temperate deserts

C. tropical grasslands

D. temperate grasslands

The variable which is both a control and an element of weather and climate is?

A. wind

B. airmass

C. temperature

D. rainfall

The Stevenson's screen is raised about one metre above the ground in order to avoid?

A. rain drops entering it

B. the influence of strong winds

C. the effects of nearby trees

D. the heat from the ground

The greatest threat to the world's wildlife population is?

A. the poor management of game reservers

B. the development of zological gardens

C. excessive hunting

D. the destruction of habitats