Plant Science Quiz Key

1. Plants, using light energy make carbohydrates by combining water and carbon dioxide in
which of the following processes?
a. photosynthesis (manual page 54-55)
b. respiration
c. dormancy
d. transpiration

Answer = a

2. A ripened (mature) ovary is a
a. seed
b. storage root
c. swollen stem
d. fruit (manual page 51)

Answer = d

3. A flower that is considered to be “perfect”, botanically speaking, has
a. all flower parts including sepals, petals, stamens, and pistil
b. at least both stamens and pistil, may be lacking petals and/or sepals
(manual page 48)
c. neither stamens nor pistils
d. separate male and female flowers

Answer = b

4. Leaves that are attached in pairs with one on each side of a stem are called
a. alternate
b. compound
c. opposite (manual page 46)
d. lobed

Answer = c

5. The stalk that attaches a leaf blade to the plant stem is called a
a. petiole (manual page 45)
b. lobe
c. node
d. bud

Answer = a

6. The place on a stem where the leaf is attached is called a
a. petiole
b. lobe
c. node (manual page 39)
d. bud

Answer= c

7. Vessels that carry water and nutrients upwards in a plant from root to stems to leaves are
called the
a. cambium
b. xylem (manual page 37)
c. phloem
d. pith

Answer = b

8. The loss of water from plants through its leaves as water vapor is called
a. photosynthesis
b. respiration
c. dormancy
d. transpiration (manual page 55)

Answer = d

9. The male part of a flower is called the
a. petal
b. sepal
c. stamen (manual page 47)
d. pistil

Answer = c

10. The female part of a flower is called the
a. petal
b. sepal
c. stamen
d. pistil (manual page 47)

Answer = d

11. The transfer of pollen from stamen to pistil is called
a. sterilization
b. pollination (manual page 51)
c. fertilization
d. sterilization

Answer = b

12. The plant part that is formed by the successful union of the male pollen cell and female
ovule and thus carries characteristics of both parents is the
a. ovary
b. fruit
c. seed (manual page 51)
d. bud

Answer = c