Over the whole world, the demand for food to feed the growing human population is increasing.
State one key factor causing this increasing demand for food.
Genetic modification (GM) is a technology used to help address food security.
Explain what is meant by the term genetic modification.
Besides increasing crop yield, suggest two other features of crops that scientists can alter using genetic modification.
In a survey, 250 people were asked to choose one statement they agreed with regarding GM crops. The table shows the results.
| Statement | Number of people choosing statement | |
|---|---|---|
| Negative | GM crops are bad for the environment. | 38 |
| GM crops are unsafe to eat. | 44 | |
| GM crops cost too much to develop. | 28 | |
| Positive | GM crops can reduce global hunger. | 52 |
| GM crops need fewer chemical pesticides. | 48 | |
| GM crops can have improved nutritional value. | 40 |
Calculate the percentage of people in this survey who have a negative opinion of genetic modification.
Practise OCR GCSE Biology Feeding the human race with exam-style questions for Foundation and Higher tier. 39 questions, matched to the OCR GCSE Biology (J247) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.