VERIFIED QUESTIONS AND ANSWERS
GRADED A+
⩥ An oak tree is a
A) sporophyte.
B) gametophyte.
C) gamete.
D) spore.
E) zygote. Answer: A
⩥ 8) The sexual life cycle of plants is described as alternation of
generations because it alternates between
A) male plants and female plants.
B) reproductive plants and vegetative plants.
C) eggs and sperm.
D) sporophytes and gametophytes.
E) flowers and spores. Answer: D
⩥ 9) The sporophyte produces
A) spores by mitosis.
B) spores by meiosis.
,C) gametes by mitosis.
D) gametes by meiosis.
E) gametes by mitosis, followed by meiosi Answer: d
⩥ 1) Spores and gametes are both haploid reproductive cells. What is the
difference between the two?
A) Spores germinate and grow into a multicellular haploid gametophyte,
and gametes fuse to form a diploid zygote.
B) Spores fuse to form a diploid zygote that eventually becomes the
sporophyte, gametes.
C) Spores are found only in plants that reproduce asexually, and gametes
are found only in plants that reproduce sexually.
D) Gametes germinate and grow into a multicellular haploid
gametophyte, and spores carry out fertilization. Answer: c
⩥ 10) In the alternation of generations, what is formed when a spore
germinates?
A) A plant that produces spores when mature.
B) An increased number of spores.
C) A plant that meiotically produces sex cells.
D) A haploid stage called the gametophyte.
E) A haploid stage called the sporophyte. Answer: C
⩥ 13) ________ results in the production of spores in flowering plants.
, A) Fertilization
B) Germination
C) Meiosis
D) Spermatogenesis
E) Mitosis Answer: B
⩥ 16) In flowering plants, the sperm does not have to swim to the egg.
The sperm reaches the eggs by
A) wind pollination.
B) a pollen tube.
C) burrowing through the embryo sac wall.
D) cell division within the spore case.
E) digestion of the seed coat. Answer: B
⩥ 18) A pollen grain is actually the
A) male gametophyte.
B) female gametophyte. Answer: A
⩥ Conifers do not have flowers to attract pollinators. Instead,
fertilization occurs
A) via wind pollination.
B) as the sperm and egg unite inside the woody cone.