Biology Exam Study Materials

1). If you were a plant pathogen, what would be the first obstacle to invading a host plant that you would have to overcome? a). chemical toxins on the surface of a plant b). physical barriers on the exterior of a plant c). animal guardians of the host plant d). …

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1). If you could connect and active xylem vessel from a shoot to an active phloem sieve-tube member from a leaf using a “micropipe,” which way would the solution flow between the two? a). The solution would flow from xylem to phloem. b). The solution would flow from phloem to …

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1). Phosphate uptake by roots involves a). a PO4 channel in the endoderm of the root. b). soil bacteria to make the phosphate bioaccessable. c). symbiotic fungal hyphae to increase the effective surface area of the root. d). root nodules fixing phosphate from the air. Answer: c 2). In an …

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1). Fifteen years ago, your parents hung a swing from the lower branch of a large tree growing in your yard. When you go and sit in it today, you realize it is exactly the same height off the ground as it was when you first sat in it 15 …

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1). If you could use a micro-laser to destroy the larger cell in a two-cell plant embryo, how would it likely affect embryonic development? a). The embryo would develop normally except it would not become anchored in the seed wall. b). The embryo would develop normally except it would have …

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1). All plants exhibit alternation of generations. This means their life cycle a). includes both haploid and diploid gametes. b). shows only asexual reproduction. c). has both a multicellular haploid stage and a multicellular diploid stage. d). does not include meiosis. Answer: c 2). The plant life cycle has both …

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1). Flowers must a). be insect pollinated. b). show indeterminate growth. c). be part of the angiosperm life cycle. d). be self-incompatible. [wp_campaign_1] Answer: c 2). In Iowa, a company called Team Corn works to ensure that fields of seed corn outcross so that hybrid vigor can be maintained. They …

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail is about 1.5 meters from the ground. Fifteen years later, you return and …

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In a root, the ground meristem differentiates and forms the A) procambium only. B) cork cambium only. C) epidermis only. D) epidermis and procambium. E) cortex only. Answer E 2) Which of the following …

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1) Which of the following is incorrectly paired with its structure and function? A) sclerenchymahorizontalsupporting cells with thick secondary walls B) mesophyllhorizontalparenchyma cells functioning in photosynthesis in leaves C) pericyclehorizontalwaterproof ring of cells surrounding central stele in roots D) ground meristemhorizontalprimary meristem that produces ground tissue system E) peridermhorizontalprotective coat …

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1) What is the largest organelle in most mature living plant cells? A) central vacuole B) dictyosome (Golgi apparatus) C) nucleus D) mitochondrion E) chloroplast Answer A 2) Which of the following is not a characteristic of parenchyma cells? A) lack of specialization B) little metabolism and synthesis C) lack …

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1) A friend has discovered a new plant and brings it to you to classify. The plant has the following characteristics: a fibrous root system; no petioles; parallel leaf veins; thick, lignified cell walls; and a vascular cambium. Which of the following best describes the new plant? A) woody monocot …

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