Question 40
Question 40 of 40
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
18. Biotechnology and gen...
18.2. Genetic modification

Outline the use of genetic modification in crop plants by inserting genes: (a) to confer resistance to herbicides (b) to confer resistance to insect pests (c) to provide additional vitamins

17. Inheritance
17.4. Selection

Describe artificial selection (selective breeding) with reference to: (a) selection by humans of animals or plants with desirable features (b) crossing these to produce the next generation (c) selection of offspring showing the desirable features (d) repetition over many generations