BIOL 106 Chapter 31 IN-CLASS Assignment OPEN BOOK/NOTES ONLY USE SCANTRONS MULTI
ID: 143949 • Letter: B
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BIOL 106 Chapter 31 IN-CLASS Assignment OPEN BOOK/NOTES ONLY USE SCANTRONS MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Most angiosperms are dicots, and most dicots are 1) A) symnosperms B) eudiots. C) mosses. D) cycads 2) 2) Monocot floral parts usually occur in multiples of B) three. C) five. D) two. 3) Which of the following is a characteristic of eudicots? 3) A) parallel leaf venation B) a taproot system C) vascular bundles scattered throughout the stem D) a flower with six petals 4) Which of the following statements is false? 4) A) The shoot system of a plant consists of the stems, leaves, and adaptations for reproduction B) Plant root hairs help to absorb carbon dioxide from the soil. )Stems and leaves depend on the water and minerals absorbed by the roots. D) Roots depend upon sugars produced in photosynthetic organs such as leaves. A) the area between the shoots and the roots B) a small pore where gases are exchanged C) the point of apical dominance D) the point of leaf attachment 6) Removing the terminal bud of a plant that shows apical dominance will cause 6) A) increased growth of the terminal bud B) an immediate flowering of the plant. C) increased growth of the axillary buds D) an increase in the growth of the root system 7) The chief function of root hairs is to 7) ) provide a direct passageway from the soil to the vascular cylinder B) provide a home for symbiotic bacteria. C) increase the surface area for absorption of water and minerals D) decrease the anchoring power of roots 8) A plant stem modified for storage of food such as starch is called a A) tuber. B) bulb. C) taproot. D) runner. 8) 9) Which of the following statements is false? 9) A) A carrot is an example of a taproot B) The layers of an onion are actually modified leaves C) Stalks of celery are the petioles of the plant D) White potatoes are modified plant roots. o) Which of the following plant cells or tissues help regulate the movement of carbon dioxide into and out of a leaf? 10) A) xylemB) sieve tubes Q) guard cells D) root hairsExplanation / Answer
1. Most angiosperms are dicots, and most dicots are
Answer is B). eudicots
2. Monocot floral parts usually occur in multiples of
Answer is B). three.
3. Which of the following is a characteristic of eudicots?
Answer is B). a taproot system.
4. Which of the following statement is false?
Answer is B). Plant root hairs help to absorb carbon dioxide from the soil.
5. What is the node of a plant stem?
Answer is D). the point of leaf attachment.
6. Removing the terminal bud of a plant that shows apical dominance will cause
Answer is C). increased growth of the auxillary buds.
7. The chief function of root hairs is to
Answer is C). increase the surface area for absorption of water and minerals.
8. A plant stem modified for storage of food such as starch is called a
Answer is A). tuber.
9. Which of the statements is false?
Answer is D). White potatoes are modified plant roots.
10. Which of the following plant cells or tissues help regulate the movement of carbon dioxide into out of a leaf?
Answer is C). guard cells.
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