Sp10 Bio 201 Exam 2 A

Sp10 Bio 201 Exam 2 A - Bio 201 Exam 2 April 19, 2010 1)...

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Bio 201 Exam 2 April 19, 2010 Page 1 1) Which of the following groups is the most diverse in terms of number of species? a) Ginkgos b) Cycads c) Gnetophytes d) Conifers e) the genus Ginkgo 2) Which of the following is not true? a) Pollen is produced in the anthers. b) Pollen in received on the stigma c) An inflorescence is a cluster of flowers d) A species having female and male flowers on the same plant is dioecious e) A flower with both female and male parts is said to be perfect 3) Which kind of cells helps to attract the pollen tube to the egg for fertilization? a) tracheid b) synergid c) antipodal d) stomate e) root hair 4) Carpels and stamens are thought to have evolved from a) roots b) lichens c) stems d) leaves e) tendrils 5) Which of the following is in the same family as sunflowers? a) tulip b) daisy c) magnolia d) corn e) moss 6) A plant egg of genotype S 1 S 2 at its compatibility locus cannot be fertilized by pollen of which genotype? a) S2 b) S3 c) S4 d) S12 e) S23 7) A peanut is a a) root b) tuber c) fruit d) shoot e) tendril 8) What kind of leaf vein pattern do most monocots have? a) parallel b) network c) asymmetrical d) naked e) tree-shaped 9) Adventitious roots are adaptations for a) cold climates b) cooling plants by decreasing surface area c) increasing flowering time d) expanding vegetative growth e) tropical climates 10) Soil provides substantial amounts of all of the following except a) carbon dioxide b) mineral nutrients c) oxygen d) water e) support for roots 11) Guard cells function in a) regulating the loss of water b) protection against herbivores c) regulating the uptake of soil minerals d) a and b are both correct e) a and c are both correct
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Bio 201 Exam 2 April 19, 2010 Page 2 12) Which of the following is typically found in the C soil horizon a) clay b) sand c) loam d) decaying organic matter e) bedrock 13) What is the substrate of the enzyme nitrogenase? a) CO 2 b) N 2 c) protein d) chlorophyll e) S 2 14) All of the following are critical for successful nitrogen fixation except a) communication between plant and bacteria b) bacteroids c) oxygen-free nodule interior d) carbon dioxide e) flavinoids 15) A carrot is an example of a/an a) succulent plant b) starchy tuber c) underground fruit
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This note was uploaded on 04/23/2010 for the course BIO 201 taught by Professor True during the Spring '08 term at SUNY Stony Brook.

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Sp10 Bio 201 Exam 2 A - Bio 201 Exam 2 April 19, 2010 1)...

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