General Biology

1. Which of the following describes nonvascular plants? a. contain xylem b. contain phloem c. reach large sizes d. found in moist habitats 2. Division Bryophyta contains the a. mosses b. ferns c. pine trees d. horsetails 3. The ____ generation dominates the life cycle in Division Bryophyta. a. gametophyte b. sporophyte 4. The ____ generation dominates the life cycle in Seedless, vascular plants. a. gametophyte b. sporophyte 5. Which of the following is NOT a use of Sphagnum? a. fuel b. surgical dressings c. toothbrush d. wicks for lamps 6. ____ is a branching filament formed after the spores germinate in Polytrichium. a. gametophore b. protonema c. ... click for more

Multiple choice questions on General Biology

Which Division contains members once used to scrub pots and pans? a. Division Sphenophyta b. Division Psilophyta c. Division Lycophyta d. Division Pterophyta Which of the following has "scale-like" leaves and photosynthetic stems? a. club mosses b. ferns c. horsetails d. hornworts Which of the following describes a rhizoid? a. root b. stem c. leaf The fern gametophyte, when viewed under the microscope, appears to be in the shape of a _____? a. square b. circle c. heart d. clover Sori are found _______. a. attached to rhizoids. b. on the underside of fronds. c. only on fiddleheads. d. on all plants. Which of the following Divisions contains the ferns? a. Div... click for more

General Biology

The gametophytes are the green leafy "moss plants." Sperm develop in jacketed structures at the shoot tip of the male (1) ______ and eggs develop in jacketed structures at the shoot tip of the female (2) _____. Raindrops or a film of water on plant surfaces transport (3) ______ to the egg-producing structure. (4) _____ occurs within the egg-producing structure. The (5)_____ grows and develops into a mature (6) ______ (with spore-producing structure and stalk) while attached to the gametophyte. (7)_____ occurs within the sporangium of the sporophyte where haploid (8) _____ form, develop, and are released. The released spores germinate, with some of the spores growing and developing into ... click for more

PLants

1. Which of the following is NOT a major organ of a flowering plant. A. Root B. Stem C. Bark D. Flower 2.What part of the plant is primarily responsible for making food A. Root B. Stem C. Leaf D. Flower 3. What part of the plant is primarily responsible for support A. Root B. Stem C. Bark D. Flower 4. What part of the plant is primarily responsible for absorption of water. A. Root B. Stem C. Bark D. Flower 5. What part of the plant is primarily responsible for reproduction A. Root B. Stem C. Bark D. Flower 6. What part of the plant is primarily responsible for anchoring the plant A. Root B. Stem C. Bark D. Flower 7. Which general tissue i... click for more

PLants

Plants grow at localized regions of self-perpetuating embryonic cells called _____. A. growth plates B. meristems C. tips D. roots E. buds Name the cell wall compound that was necessary for the evolution of rigid and erect land plants? A. Cutin B. Lignin C. Suberin D. Lactin __________ tissue conducts soil water and dissolved minerals, and it mechanically supports the plant. A. xylem B. phloem C. collenchyma D. parenchyma __________ tissue transports sugars and other solutes. A. xylem B. phloem C. collenchyma D. parenchyma Hardwood trees possess __________ and __________ but softwood trees lack these cells. A. vessels and tracheids B. tracheids and fibers C.... click for more