Biology 1407 Exam Questions with Correct
Answers
In pines, the female gametophyte contains _____, each of which contains a(n) _____.
microsporangia ... egg cell
archegonia ... egg
antheridia ... egg
archegonia ... sperm cell
antheridia ... sperm cell
archegonia ... egg
In pines, an embryo is a(n) _____.
seed
food reserve for the immature sporophyte
immature male gametophyte
immature sporophyte
immature female gametophyte
Immature sporophyte
In pine trees, pollen grains get to the ovule via the _____.
integument
eggs
megaspore
,micropyle
pollen cone
micropyle
Which of these statements is true about the gametophyte tissue that surrounds the pine
embryo?
It functions as a triploid food reserve.
It functions as a haploid food reserve.
It functions as a diploid food reserve.
It develops from the fusion of a microspore and a megaspore.
It is the remnant of the pollen tube.
It functions as a haploid food reserve.
Of the four haploid cells produced by a pine cone's megasporocyte (megaspore mother
cell), _____ survive(s).
integuments
four
one
three
two
one
In the pine, microsporangia form _____ microspores by _____.
haploid ... meiosis
, triploid ... fertilization
haploid ... mitosis
diploid ... meiosis
diploid ... mitosis
haploid ... meiosis
Which of the following statements is correct regarding the life cycle of a fern?
the gametophyte generation produces spores
the sporophyte generation produces pollen
the gametophyte generation produces pollen
the sporophyte generation produces spores
the sporophyte generation produces spores
Which of the following statements best describes an advantage of the reduced
gametophytes in seed plants?
development of the seed
the ability to acquire nutrients from its own photosynthesis
protection from drying out
the ability to develop into sporophytes
protection from drying out
Many types of plants produce fruit which is eaten by animals. The seeds of these plants
are typically undigestible. Which of the following is an advantage for plants having
undigestible seeds?
Answers
In pines, the female gametophyte contains _____, each of which contains a(n) _____.
microsporangia ... egg cell
archegonia ... egg
antheridia ... egg
archegonia ... sperm cell
antheridia ... sperm cell
archegonia ... egg
In pines, an embryo is a(n) _____.
seed
food reserve for the immature sporophyte
immature male gametophyte
immature sporophyte
immature female gametophyte
Immature sporophyte
In pine trees, pollen grains get to the ovule via the _____.
integument
eggs
megaspore
,micropyle
pollen cone
micropyle
Which of these statements is true about the gametophyte tissue that surrounds the pine
embryo?
It functions as a triploid food reserve.
It functions as a haploid food reserve.
It functions as a diploid food reserve.
It develops from the fusion of a microspore and a megaspore.
It is the remnant of the pollen tube.
It functions as a haploid food reserve.
Of the four haploid cells produced by a pine cone's megasporocyte (megaspore mother
cell), _____ survive(s).
integuments
four
one
three
two
one
In the pine, microsporangia form _____ microspores by _____.
haploid ... meiosis
, triploid ... fertilization
haploid ... mitosis
diploid ... meiosis
diploid ... mitosis
haploid ... meiosis
Which of the following statements is correct regarding the life cycle of a fern?
the gametophyte generation produces spores
the sporophyte generation produces pollen
the gametophyte generation produces pollen
the sporophyte generation produces spores
the sporophyte generation produces spores
Which of the following statements best describes an advantage of the reduced
gametophytes in seed plants?
development of the seed
the ability to acquire nutrients from its own photosynthesis
protection from drying out
the ability to develop into sporophytes
protection from drying out
Many types of plants produce fruit which is eaten by animals. The seeds of these plants
are typically undigestible. Which of the following is an advantage for plants having
undigestible seeds?