BIO 152 EXAM 1 PLANTS EXAM WITH
CORRECT ANSWERS 2025
True or False? Mitosis occurs in only the sporophyte generation
and not in the gametophyte. correct answers >> False
True or False? Sperm of all land plants is made by a gametophyte.
correct answers >> True
The most recent ancestor of all current living plants probably
possessed: correct answers >> Meristems
Pollen is:
A. the male sporophyte
B. the product of meiosis in the male gametophyte
C. produced by the gametophyte of angiosperms
D. found only in angiosperms
E. none of the above correct answers >> E. none of the
above
The waxy covering of stems and leaves is called the: correct
answers >> Cuticle
All roots have: correct answers >> A vascular system
,True or False? Only the sporophyte can produce gametes.
correct answers >> False
Stomata: correct answers >> Open to increase gas exchange
True or False? Only the gametophyte can produce spores.
correct answers >> False
Plants show indeterminate growth. This is: correct answers >>
Growth with no genetically defined limit.
Which of the following plant reproductive structures or processes
was the EARLIEST to evolve?
A. leaves
B. seeds
C. pollen
D. eggs and sperm
E. flowers correct answers >> D. eggs and sperm
Seeds: correct answers >> Contain an embryo with nutrients
A gametophyte is produced when: correct answers >> A
spore undergoes mitosis
All of the following produce pollen EXCEPT:
,A. angiosperms
B. gymnosperms
C. fir and pine trees
D. bryophytes
E. none of the above; all produce pollen correct answers >>
E. none of the above; all produce pollen
The female gametophyte is found in which part of the flower?
correct answers >> Carpel
True or False? The shoots of a plant are defined as the organs
that grow above the ground. correct answers >> False
Which of the following statements is true of lateral root formation
in dicots?
A. Lateral roots form only at the very tips of pre-existing roots to
help reach deep-water sources in the soil.
B. As they form, new lateral roots are directly connected to the
xylem and phloem of the pre-existing roots.
C. New lateral roots originate from the phloem companion cells on
the surface of the vasculature.
D. Lateral roots are produced by meristematic activity in the
xylem.
E. All of these choices are true about lateral root formation in
dicots. correct answers >> B. As they form, new lateral roots
are directly connected to the xylem and phloem of the pre-
existing roots.
, True or False? Seedless vascular plants have shoot apical
meristems. correct answers >> True
True or False? The cells of the petals of a flower are diploid.
correct answers >> True
Which of the following are produced by roots in order to increase
surface area, allowing greater access to nutrients in the soil?
correct answers >> Root hairs
Which of the following cell types is dead at maturity?
A. An endodermal cell in the root
B. A collenchyma cell of the ground tissue
C. A companion cell in the vasculature
D. A sieve tube member in the vasculature
E. None of the above is dead at maturity. correct answers >>
E. None of the above is dead at maturity.
Which of the following processes (a-d) does not contribute to the
primary growth of a plant?
A. Cell elongation at the internodes.
B. Cell division in axillary meristems.
C. Cell division in the apical meristems.
D. Cells becoming larger in the elongation zone of the root.
CORRECT ANSWERS 2025
True or False? Mitosis occurs in only the sporophyte generation
and not in the gametophyte. correct answers >> False
True or False? Sperm of all land plants is made by a gametophyte.
correct answers >> True
The most recent ancestor of all current living plants probably
possessed: correct answers >> Meristems
Pollen is:
A. the male sporophyte
B. the product of meiosis in the male gametophyte
C. produced by the gametophyte of angiosperms
D. found only in angiosperms
E. none of the above correct answers >> E. none of the
above
The waxy covering of stems and leaves is called the: correct
answers >> Cuticle
All roots have: correct answers >> A vascular system
,True or False? Only the sporophyte can produce gametes.
correct answers >> False
Stomata: correct answers >> Open to increase gas exchange
True or False? Only the gametophyte can produce spores.
correct answers >> False
Plants show indeterminate growth. This is: correct answers >>
Growth with no genetically defined limit.
Which of the following plant reproductive structures or processes
was the EARLIEST to evolve?
A. leaves
B. seeds
C. pollen
D. eggs and sperm
E. flowers correct answers >> D. eggs and sperm
Seeds: correct answers >> Contain an embryo with nutrients
A gametophyte is produced when: correct answers >> A
spore undergoes mitosis
All of the following produce pollen EXCEPT:
,A. angiosperms
B. gymnosperms
C. fir and pine trees
D. bryophytes
E. none of the above; all produce pollen correct answers >>
E. none of the above; all produce pollen
The female gametophyte is found in which part of the flower?
correct answers >> Carpel
True or False? The shoots of a plant are defined as the organs
that grow above the ground. correct answers >> False
Which of the following statements is true of lateral root formation
in dicots?
A. Lateral roots form only at the very tips of pre-existing roots to
help reach deep-water sources in the soil.
B. As they form, new lateral roots are directly connected to the
xylem and phloem of the pre-existing roots.
C. New lateral roots originate from the phloem companion cells on
the surface of the vasculature.
D. Lateral roots are produced by meristematic activity in the
xylem.
E. All of these choices are true about lateral root formation in
dicots. correct answers >> B. As they form, new lateral roots
are directly connected to the xylem and phloem of the pre-
existing roots.
, True or False? Seedless vascular plants have shoot apical
meristems. correct answers >> True
True or False? The cells of the petals of a flower are diploid.
correct answers >> True
Which of the following are produced by roots in order to increase
surface area, allowing greater access to nutrients in the soil?
correct answers >> Root hairs
Which of the following cell types is dead at maturity?
A. An endodermal cell in the root
B. A collenchyma cell of the ground tissue
C. A companion cell in the vasculature
D. A sieve tube member in the vasculature
E. None of the above is dead at maturity. correct answers >>
E. None of the above is dead at maturity.
Which of the following processes (a-d) does not contribute to the
primary growth of a plant?
A. Cell elongation at the internodes.
B. Cell division in axillary meristems.
C. Cell division in the apical meristems.
D. Cells becoming larger in the elongation zone of the root.
