Answer key 221
4·4 1. a 6. b
- c 7. a
- b 8. c
- c 9. c
- a 10. b
4·5 1. c (v.) 6. a (n.) - j (n.) 7. i (v.)
- f (n.) 8. e (adj.)
- h (adj.) 9. g (adj.)
- b (adj.) 10. d (adj.)
4·6 Paragraph 2: f Paragraph 8: a
Paragraph 3: l Paragraph 9: b
Paragraph 4: k Paragraph 10: j
Paragraph 5: c Paragraph 11: i
Paragraph 6: g Paragraph 12: d
Paragraph 7: e Paragraph 13: h
4·7 1. b - a
- c
- b
- b
- a
- T
- F
- T
- T
- F
- F
- Terminator crops are sterile and cannot produce seed.
- GE crops and foods have not been proven safe and are harmful to the environment.
- GE crops mature earlier, contain more nutrients, resist pesticides and herbicides, and produce higher
yields. - Most of the studies are conducted by the companies that produce GE seeds and products.
- Organic farming increases yields, improves soil quality, reduces pests and disease, restores traditional
breeds, and produces better-tasting, more nutritious food.
4·8 1.✓ 4.✓
2.✓ 5. X - X6. X
4·9 1. b 4. a - b 5. b
- a
4·10 1. a.✓ b. X - a.✓ b. X
- a. X b.✓
- a. X b.✓
- a.✓ b. X
- a. X b.✓
4·11 Answers will vary.
4·12 Answers will vary.