Biology 5090 · O Level · Genetic modification

Genetic modification — practice question

Plants take in light energy for the process of photosynthesis.
(a(i))[1]

Name the structure in a plant cell where photosynthesis occurs.

(a(ii))[2]

State the photosynthesis equation, either in words or symbols.

(b)[2]

Photosynthesis also occurs in certain bacteria. Suggest and explain the colour of these bacteria.

(c(i))[1]

Name the process scientists would use to move the gene from these bacteria into the DNA of a plant.

(c(ii))[4]

Suggest and explain the possible advantages of moving this gene into the DNA of a plant grown to produce food crops for humans.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: chloroplasts

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