1. Which of the following is most advanced?
a. Bryophyta
b. Tracheophyta
c. Gymnosperms
d. Angiosperms
e. Both a and b
2. Sclerenchyma cells are
a. Dead at maturity, and often found in vascular tissue
b. Dead at maturity, and often found in photosynthetic tissue
c. Dead at maturity, and often found in root meristems
d. Live at maturity, and often found in photosynthetic tissue
e. Live at maturity, and often found in vascular tissue
3. Which of the following is a non-cellular protective coating that helps
plants conserve water?
a. Stroma
b. Stoma
c. Cuticle
d. Epidermis
e. Both a and d
4. True dicots are also referred to as
a. Eudicots
b. Monocots
c. Cotyledons
d. Gymnosperms
e. Bryophytes
5. Phloem conducts sugars and other solutes. Its main conducting cells
are called
a. Tracheids
b. Vessel elements
c. Sieve-tube members
d. Companion cells
e. Both c and d
6. Which of the following may be a factor in the rate of transpiration in
a plant?
a. Temperature
b. Exposure to sunlight/darkness
c. Wind
d. Humidity
e. All of the above
7. In desert plants, ______________ often keep/s the ___________________
___________________ during the day to conserve water.
a. Stomates; guard cells; open
b. Stomates; guard cells; closed
c. Guard cells; stomates; open
d. Guard cells; stomates; closed
e. Sunlight; transpiration rate; high
8. Use the clues to determine if the plant is a
monocot or a dicot. Justify.
9. Water may enter a root via two methods. Which method do you
think would move water to the xylem fastest? Justify.
a. Osmotic pathway
b. Diffusional pathway
c. Apoplastic pathway
d. Symplastic pathway
e. Active transport
10. According to the cohesion-tension theory, water is pulled up to the
leaves of a plant by transpirational pull. What is the main “cause” of
transpirational pull? (answer this with ONE sentence PLEASE!)
Describe the main differences between
annuals, biennials, and perennials.