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B2 H - SAMPLE SET 1 Q2
2) Students used quadrats to estimate the population of dandelion plants on a field
2.1) Describe how quadrats should be used to estimate the number of dandelion plans in a field. [4 marks]
2.2) The field measured 40 m by 145 m.
The students used 0.25 m
The students found a mean of 0.42 dandelions per quadrat.
Estimate the population of dandelions on the field. [2 marks]
Estimated population of dandelions = ____________________________
2.3) In one area of the field there is a lot of grass growing in the same area as dandelions.
Suggest why the dandelions may
grow well in this area. [4 marks]
(Total for Question 2 = 10 marks)