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4.3 Selective breeding and genetic modification

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Question 26
F

Two GM crop varieties are compared with an unmodified crop.

Table

CropNutrient content / units per kgYield / tonnes per hectare
Unmodified1008
GM P1604
GM Q1207

Which crop provides the greatest total amount of this nutrient per hectare?

[1]
A

GM P, because its percentage increase in nutrient content is greatest.

B

Unmodified, because its yield in tonnes per hectare is greatest.

C

GM Q, because nutrient content multiplied by yield is greatest.

D

GM P, because nutrient content in each kilogram is greatest.

Markscheme

4.3 Selective breeding and genetic modification Questions

  1. GCSE
  2. /Biology
  3. /4.3 Selective breeding and genetic modification

44 exam-style questions on Edexcel GCSE Biology 4.3 Selective breeding and genetic modification, covering 4.3.1 Selective breeding and its impact, 4.3.2 Tissue culture, 4.3.3 Genetic engineering overview, 4.3.4 Main stages of genetic engineering, 4.3.5 Advantages and disadvantages of GM organisms, 4.3.6 Agricultural solutions for a growing population, and 4.3.7 Evaluating genetic engineering and breeding. Each one has a worked solution and a mark scheme showing where the marks go.

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