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Study Guide Answers
1. About how many kinds of seeds are there? ________________
200,000
2. The size of the seed reflects the size of its plant in a ratio called the "Seed-Plant Proportion." True or false?
False
3. Flowering plants are known as: a) gymnosperms b) angiosperms c) conifers d) germnosperms
b) angiosperms
4. Pine trees and daisies both have seeds. True or false?
True
5. The baby plant within each seed is called the: a) seed coat b) food supply c) embryo d) spore
c) embryo
6. Flowering plants have _________________ cotyledon(s). a) one b) two c) one or two d) several
c) one or two
7. In a bean seed, the food supply is stored in the ________________________ .
cotyledons
8. Name three ways that seeds are scattered. __________________________________________ __________________________________________ __________________________________________
wind, water and animals, birds, people
9. Most seeds produce plants that are tougher than the parent plants. True or false?
True
10. Some pine cones will not release their seeds unless subjected to intense heat. True or false?
True
11. A seed that is waiting for the proper conditions before it sprouts is said to be ________________ .
dormant
12. Within the plant, food moves ____________ (up or down).
down
13. Within the plant, water and minerals move ________________ (up or down).
up
14. The tubes that carry water and minerals are called _____________________ .
xylem
15. The tubes that carry food within the plant are called _________________________ .
phloem
16. Where do cactus plants make their food? ______________________
stems
17. What do cacti store in their stems? __________-_____________
water
18. The special above-ground stems, as on strawberry plants, that are capable of establishing new plants are called: a) xylem b) phloem c) buds d) stolons e)rhizomes
d) stolons
19. The spreading, underground stems that are capable of establishing new plants, as in the case of ferns, are called ________________ .
rhizomes
20. The major difference between stems and roots is that stems have ________________ ,
buds
21. The most common heating and cooking fuel in the world is ________________ .
wood (or trees)
22. The tallest and largest plant stems belong to the _____________________________ .
redwoods
23. The oldest living things on earth are ______________________ ___________________ .
bristlecone pines
24. The bark of the cinchona tree produces: a) cinnamon b) quinine c) rayon d) cork
b) quinine
25. What is the food-making process in plants called? ______________________________
photosynthesis
26. What is the name of the tiny roots that absorb water, minerals, and other nutrients?
root hairs
27. A root that grows deep within the soil to anchor its plant is called a(n) ___________________ .
taproot
28. The tangles of small roots that support most grasses are referred to as ______________ __________.
fibrous roots
29. Roots that grow down from the stem or branches to support a plant are known as _________________ ___________________ .
prop roots
30. Carrots, radishes, and beets are actually ____________________ ____________ .
storage roots
31. Potatoes are not roots, but ______________________ .
stems
32. Mistletoe, which sinks its roots into other plants, is a _______________________ .
parasite
33. What are the basic energy sources for most water animals? ___________________
algae
34. When a plant produces a new root from an old root, the process is called ______________ ______________________ .
root sprouting
© Educational Video Network, Inc. 2005 - www.evndirect.com Your leading source for curriculum-based educational videos and DVDs.

Study Guide Answers