Biology 301 Practice for the Exam III
Biology 301 Practice - Exam III - Set 1
Instructions:  This page includes a sample of questions relating to coverage of dicot subclasses Rosidae and Asteridae.   You may answer as many or as few questions as you wish, in any order. When you are ready to check your performance, scroll to the bottom and click the 'Submit' button.   All questions you answered will be graded, and your score will be shown at the bottom of the exam.   You can also retry questions that you missed by using the link at the bottom of the page that shows your results and this process can be repeated.  This 'drill' system is under development.  Please contact Dr. Wilson (h-wilson@tamu.edu) with problems or comments.
1) Flowers of the type pictured below, would be found in the:

Figure 1

  1. Rosaceae
  2. Lamiaceae
  3. Brassicaceae
  4. Fabaceae
  5. Asteraceae
2) An inflorescence composed of only flowers similar to flower 'A' (Fig. 1) is known as:

  1. ligulate
  2. discoid
  3. emarginate
  4. apetalous
  5. carunculate
3) The structure indicated by pointer '1' above (Fig. 1) represents:

  1. phyllary
  2. pappus
  3. chaff
  4. receptacle
  5. corolla
4) The structure indicated by pointer '2' above (Fig. 1) represents:

  1. phyllary
  2. pappus
  3. chaff
  4. gynoecium
  5. corolla
5) The structure indicated by pointer '3' above (Fig. 1) represents:

  1. phyllary
  2. pappus
  3. chaff
  4. gynoecium
  5. corolla
6) Identify the gynoecium type that is typical of the Asclepiadaceae:

  1. bicarpellate, ovary with 4 locules, each with an ovule
  2. bicarpellate, carpels joined only at the top, mature ovary a follicle
  3. tricarpellate, each with many ovules
  4. bicarpellate, single locule and ovule, fruit an achene
  5. bicarpellate, fruit splitting into 2 single-seeded mericarps
7) Match taxon with description:  Group of genera characterized by the presence of opposite leaves and latex production

  1. Rubiaceae
  2. Asclepiadaceae
  3. Scrophulariaceae
  4. Caprifoliaceae
  5. Boraginaceae
8) Link family with its crop species:  Coffea arabica

  1. Rubiaceae
  2. Rosaceae
  3. Asteraceae
  4. Solanaceae
  5. Apiaceae
9) Identify the Genus:  fruit a drupe

  1. Lupinus
  2. Solanum
  3. Rosa
  4. Malus
  5. Prunus
10) Match taxon with associated structure: cyathium

  1. Fabaceae
  2. Cuscutaceae
  3. Apiaceae
  4. Euphorbia
  5. Asteraceae
11) Identify the gynoecium type that is typical of the Asteraceae:

  1. bicarpellate, ovary with 4 locules, each with an ovule
  2. bicarpellate, single locule and ovule, fruit an achene
  3. tricarpellate, each with many ovules
  4. bicarpellate, carpels joined only at the top, mature ovary a follicle
  5. bicarpellate, fruit splitting into 2 single-seeded mericarps
12) Identify the Genus:  includes the U.S. national flower - apocarpous with hypanthium and pentamerous perianth

  1. Lupinus
  2. Solanum
  3. Rosa
  4. Malus
  5. Prunus
13) Which family of the Fabales is characterized by a zygomorphic with partial connation:

  1. Mimosaceae
  2. Fabaceae
  3. Caesalpiniaceae
14) Match taxon with associated structure: stylopodium

  1. Fabaceae
  2. Cuscutaceae
  3. Apiaceae
  4. Euphorbia
  5. Asteraceae
15) Match taxon with associated structure: cypsella

  1. Fabaceae
  2. Cuscutaceae
  3. Apiaceae
  4. Euphorbia
  5. Asteraceae
16) Differentiate among families that are characterized by the presence of a sympetalous corolla:  corolla zygomorphic, fruit a capsule

  1. Convolvulaceae
  2. Scrophulariaceae
  3. Lamiaceae
  4. Polemoniaceae
  5. Asclepiadaceae
17) Match taxon with description:  Epigynous element of the Rosaceae

  1. Mimosoideae
  2. Prunoideae
  3. Rosoideae
  4. Maloideae
  5. Spiraeoideae
18) One reason for the basal or 'primitive' position of the Gentianales (Asclepidaceae) in the Asteridae:

  1. fruit a follicle
  2. latex
  3. comose seeds
  4. bicarpellate gynoecium
  5. pollinaria
19) The term 'corona' is applied to outgrowths from the (1) that are often found in taxa of the (2) _______ .

  1. (1) endocarp, (2) Prunoideae
  2. (1) ovary, (2) Asteraceae
  3. (1) seed, (2) Euphorbiaceae
  4. (1) fruit, (2) Umbelliferae
  5. (1) androperianth (2) Asclepiadaceae
20) Identify the Genus:  includes the Texas state flower - gynoecium monocarpic, leaves palmately compound

  1. Lupinus
  2. Solanum
  3. Rosa
  4. Malus
  5. Prunus
End of Practice Exam III (Set 1) - check your responses ('submit' - below) or return to BIOL 301.
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