Page 215 - Q&A-Cover_Neat

e.g. plants in dark are shorter an average / to check the result (is correct) / in case some do not grow Do not accept fair test / to make it (more) accurate

Guidance Answers must be comparative e.g. the plants in the dark grew taller / plants in light are short and plants in dark are long Do not accept incorrect comparisons Accept to get sufficient evidence / to get

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plants in the dark growing in different directions / bent / lopsided / drooping / not small(er) leaves light(er) colour / pale(r) / yellow(er) / white(r) / not green long(er) / tall(er) / big(ger) stems more plants / more seeds germinated Page 9 of 12

Answer upright weak(er) thick(er) (idea that it is) to collect enough results / to make it reliable

plants in the light straight(er) / not bent / grown upwards / upright strong(er) large(r) leaves dark(er) colour / green(er) short(er) / small(er) thin(ner) stems few(er) plants / few(er) seeds germinated for energy / to grow / to make food

Question 11(a) 11(b) 11(c)