Optical square
Station pegs
Offset staff
Steel Band
Correct answer is A
Using either the mirror method or the prism square method, the optical square is used to mark out lines at right angles to the main chain line.
One of the following is not a problem involved in harnessing solar energy?
Poor technological know-how
Adequacy of capital
Unreliability
Fear of competition with established energy sources
Correct answer is B
High cost of harnessing solar energy is a problem while adequacy of capital isn't
Which of the following is a problem of landlocked countries
Security of goods
Political stability
Low freight cost
Political dependence
Correct answer is D
Landlocked countries refer to those countries which do not have an access or boundary with the coast or oceans. Examples are Mali, Niger, Sudan, Zambia etc. Landlocked countries depend politically on other countries.
Which of the following is a vegetation characteristics of the Tropical rainforest?
Trees are not in pure stand
Tough, small, leathery, hairy leaves to guard against excessive transpiration
Trees are conical in shape
there is high undergrowth
Correct answer is A
In the Tropical rainforest, the trees are not in pure stand i.e scattered
Which of the following is not a graphical representation of statistical data?
Choropleth map
Dot map
Shaded map
Star graph
Correct answer is C
All except shaded map are graphical representation of statistical data