Introduction to Plants - Biology
True/False
Indicate whether the sentence or statement is true or false.
____ 1. The surface of a vascular plant is covered by a cuticle in order to reduce water loss.
____ 2. Seed plants cannot reproduce without a film of water.
____ 3. A seed is a structure that contains a plant embryo.
____ 4. The development of flowers did not affect the reproductive efficiency of land plants.
____ 5. The first flowering plants appeared 10,000 years ago.
____ 6. Many seeds have appendages that aid in dispersal.
____ 7. Seeds remain dormant until moisture and temperature conditions favor seedling growth.
____ 8. Phloem transports water and mineral nutrients.
____ 9. Pines and all other conifers have needle-like leaves.
____ 10. Gymnosperm seeds are enclosed in a fruit.
____ 11. Ferns are characterized by frond and fiddleheads.
____ 12. The most successful group of gymnosperms belong to the phylum Ginkgophyta.
____ 13. Angiosperms are the most recently evolved group of plants.
____ 14. The presence of cones in horsetails groups horsetails with conifers.
____ 15. Botanically, tomatoes are classified as vegetables.
____ 16. Botanically, corn kernels are classified as fruits.
____ 17. Potatoes are a food source rich in protein.
____ 18. Most of the foods that people eat come directly or indirectly from the fruits of cereals.
____ 19. The most valuable nonfood product obtained from plants is rubber.
____ 20. Plant substances are the foundation of modern medicine.
____ 21. Foxglove is the source of a drug used to treat cardiac disorders.
____ 22. Paper is made exclusively from wood pulp.
____ 23. The cotton fibers used to make cloth come from the fruit of a cotton plant.
Completion
Complete each sentence or statement.
24. In leaves, the expansion and contraction of the guard cells regulate the opening and closing of the ______.
25. The surface of a vascular plant is covered by a waxy, waterproof layer called a(n) ______.
26. One of the first environmental challenges that early land plants had to overcome was finding a way to conserve ______.
27. Vascular tissues are specialized cells that move ______, nutrients, and other materials through the plant body.
28. True roots, stems, and leaves are associated with ______plants.
29. The first seed plants appeared about ______million years ago.
30. The ______is the protective cover that surrounds a seed.
31. The seed coat prevents the embryo from drying out, from mechanical injury, and from ______.
32. A flower is a(n) ______structure that produces pollen and seeds.
33. Appendages on seeds are an important adaptation that aid in ______.
34. The first flowering plants appeared approximately ______million years ago.
35. A(n) ______is a specialized structure that develops from an ovule and serves to protect a plant embryo from harsh conditions.
36. The tissues that transport water and minerals within a plant make up the ______system.
37. ______are zones of actively dividing plant cells that produce plant growth.
38. A rootlike structure that anchors nonvascular plants is called a(n) ______.
39. The life cycle of a conifer is characterized by a large ______.
40. Angiosperms are ultimately the source of much of our ______.
41. Many fruits are spread by ______that are attracted to sweet, fleshy fruits, which they use for food.
42. Gymnosperms are pollinated through ______, which makes sexual reproduction possible even during dry conditions.
43. ______are seed plants whose seeds do not develop within a sealed container (fruit).
44. A plant that has flower parts that occur in fours or fives or multiples of four or five is a(n) ______.
45. A fern is an example of a(n) ______vascular plant.
46. Fruit is a characteristic associated only with ______.
47. Peas, peanuts, and alfalfa are examples of ______, and are important sources of protein.
48. One-third of the world’s population depends on ______as its primary food source.
49. Rice is an excellent source of ______.
50. ______is wood that has been cut into boards and planks.
51. Compounds derived from plants form the foundation of modern ______.
Introduction to Plants
Answer Section
TRUE/FALSE
1. T
2. F
3. T
4. F
5. F
6. T
7. T
8. F
9. F
10. F
11. T
12. F
13. T
14. F
15. F
16. T
17. F
18. T
19. F
20. T
21. T
22. F
23. T
COMPLETION
24. stomata
25. cuticle
26. water
27. water
28. vascular
29. 380
30. seed coat
31. disease
32. reproductive
33. dispersal
34. 130
35. seed
36. vascular
37. Meristems
38. rhizoid
39. sporophyte
40. food
41. animals
42. wind
43. Gymnosperms
44. dicot
45. seedless
46. angiosperms
47. legumes
48. wheat
49. carbohydrates
50. Lumber
51. medicine