AND CORRECT ANSWERS/ BIOLOGY 1002 LSU PREP
WITH 200 EXAM PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS
Which of the following arranges groups these terms from most inclusive to least inclusive?
1. Embryophytes
2. Green plants
3. Seedless vascular plants
4. Ferns
a) 2, 1, 3, 4
b) 3, 2, 1, 4
c) 2, 1, 4, 3
d) 1, 2, 3, 4,
e) 1, 4, 2, 3 - CORRECT ANSWER-a
If the kingdom Plantae is someday expanded to include the charophytes, then select all
characteristics below that would be shared derived characteristics of that expanded kingdom.
a) rings of cellulose-synthesizing complexes
b) chlorophylls a and b
c) alternation of generations
d) cell walls of cellulose
e) ability to synthesize sporopollenin - CORRECT ANSWER-a, e
Which of the following is correctly paired with its life cycle generation?
a) anther-sporophyte
b) pollen-sporophyte
c) embryo sac-gametophyte
d) stamen-gametophyte - CORRECT ANSWER-a
,Where is the ovary is most often located in angiosperms?
a) petals
b) stamen
c) sepals
d) carpel
e) receptacle - CORRECT ANSWER-d
Which of the following statements about angiosperm reproduction is false?
a) Most species have a multicellular, haploid stage.
b) Most species have a multicellular, diploid stage.
c) In most species, meiosis produces spores.
d) In most species, the germline cells are determined in the adult organism.
e) All of the answers are true; none is false. - CORRECT ANSWER-e
Select the following statements that are true of most angiosperms.
a) They have a small (reduced) sporophyte.
b) They have a triploid endosperm within the seed.
c) They have an ovary that becomes a fruit.
d) The plant can become dormant but the seed cannot become dormant. - CORRECT ANSWER-
b, c
In order for fertilization to occur after pollination,
Incorrect Response
a) sperm must swim to the egg and the polar nuclei.
b) meiosis must occur within the pollen grain.
c) petals must close around the reproductive parts.
d) a pollen tube must grow from the stigma to the ovule.
e) an insect must deliver pollen to the stigma. - CORRECT ANSWER-d
The phrase "alternation of generations" refers to alternations in
,a) the production of male flowers and the production of female flowers.
b) the production of perfect flowers and the production of imperfect flowers.
c) producing fruits and not producing fruits.
d) haploid and diploid life stages.
e) sexual and asexual reproduction. - CORRECT ANSWER-d
Which of the following is an accurate description of what happened during the evolution of an most
modern angiosperms?
a) The sporophyte became reduced, smaller, simpler, and long lived.
b) The gametophyte became larger, simpler, and long lived.
c) The gametophyte became reduced, smaller, simpler, and short lived.
d) The sporophyte became reduced, smaller, and long lived.
e) The sporophyte became larger, more complicated, and short lived. - CORRECT ANSWER-c
Microspore mother cells produce microspores. What do microspores then develop into?
a) pollen grains
b) endosperm
c) synergids
d) egg cells
e) megaspores - CORRECT ANSWER-a
In angiosperms, a seed consists of a _______ embryo and a _______ endosperm.
a) diploid; diploid
b) triploid; diploid
c) triploid; haploid
d) diploid; haploid
e) diploid; triploid - CORRECT ANSWER-e
In flowering plants, fertilization occurs
a) at the base of the embryo sac.
b) where the pollen tube germinates.
, c) inside the pollen tube.
d) where pollen lands on the stigma.
e) inside the seed. - CORRECT ANSWER-a
In a typical dicot ovule, a surviving megaspore divided by ________ consecutive mitotic divisions
without cytokinesis results in ________ nuclei.
a) 1; 1
b) 2; 6
c) 4; 16
d) 3; 12
e) 3; 8 - CORRECT ANSWER-e
Which of the following is the correct sequence during the alternation of generations life cycle in a
flowering plant?
a) sporophyte then spores then meiosis then gametophyte then gametes
b) none of the answers are correct
c) haploid gametophyte then gametes then meiosis then fertilization then diploid sporophyte
d) sporophyte then mitosis then gametophyte then meiosis then sporophyte
e) sporophyte then meiosis then gametophyte then gametes then fertilization then diploid zygote -
CORRECT ANSWER-e
The megagametophyte of flowering plants consists of the
a) megasporangium and cells within it.
b) microspores.
c) pollen grain.
d) pollen tube.
e) embryo sac with eight haploid nuclei. - CORRECT ANSWER-e
Coconut fruits are dispersed by
a) water.
b) wind.