University Of Connecticut BIOL 1108 Exam 1 Answered SPRING 2022
Biology 1108, Exam 1
1. An organelle that is responsible for the red or orange color of fruits such as peppers and tomatoes is
the .
a chromoplast
b. chromosome
c. amyloplast
d. phelloderm
e. chloroplast
2. What subs...
an organelle that is responsible for the red or orange color of fruits such as peppers and tomatoes is the
2 what substance is found in secondary cell walls tha
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Biology 1108, Exam 1
1. An organelle that is responsible for the red or orange color of fruits such as
peppers and tomatoes is
the .
(a.) chromoplast
b. chromosome
c. amyloplast
d. phelloderm
e. chloroplast
2. What substance is found in secondary cell walls that makes them
waterproof and very strong?
(a.) lignin
b. protein
c. DNA
d. pectin
e. anthocyanin
3. Carnivory has evolved several times independently in plants that live
in acidic bog habitats. These
carnivorous plants use modified to capture insects, which are then digested for
their .
a. stems | carbon
b. steles | oxygen
c. roots | water
d. leaves |
carbon (e.)
leaves | nitrogen
4. Which of the following series shows the order in which structures would be
encountered if you started from outside a plant cell and moved into the cell in
a direction that would take you into the large central vacuole?
(a.) primary cell wall | secondary cell wall | cell membrane ! cytoplasm
b. cytoplasm | cell membrane | primary cell wall | secondary cell wall
c. cytoplasm | primary cell wall | secondary cell wall | cell membrane
d. secondary cell wall | primary cell wall | cell membrane | cytoplasm
e. cytoplasm | cell membrane | secondary cell wall | primary cell wall
5. Which of the following cell types would never occur in secondary xylem tissue?
a. sclerenchyma fiber
b. parenchyna
c. vessel element
d. tracheid
(e.) companion cell
6. A complex tissue that consists of cells that are living at maturity and
whose function is food transport
is .
(a.) phloem
b. parenchyma
c. collenchyma
d. xylem
e. sclerenchyma
, 7. The best description of the shoot shown in Figure 1 is:
a. compound oppositely-arranged leaves
b. simple alternately-arranged leaves
c. compound alternately-arranged
leaves (d.) simple oppositely-
arranged leaves
8. The vascular cambium separates from
a. springwood |
summerwood (b.) wood |
bark
c. cork | phelloderm
d. heartwood | sapwood
e. inner bark | outer bark
9. Which of the following is a meristematic tissue that primarily increases the
length of a stem?
(a.) shoot apical meristem (SAM)
b. periderm
c. root apical meristem (RAM)
d. vascular cambium
e. cork cambium
10. Which of the following forces all substances entering the vascular tissue of a
root to pass through an
endodermal cell membrane?
a. guard cells
(b.) Casparian strip
c. pericycle
d. phelloderm
e. companion cell
11. Vascular bundles in eudicots (in a cross-section of a stem) , which
contrasts with monocot stems in which vascular bundles
a. are scattered | form a
ring (b.) form a ring | are
scattered
c. form a cross-shaped pattern in the center | are scattered
d. form a cross-shaped pattern in the center | form a ring
12. Which of the following is an underground
stem? (a.) fern rhizome
b. cactus cladophyll
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