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Multiple choice question in General Biology

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Sporophytes
a. develop from spores and produce gametes.
B. are the dominant phase in the life cycle of most terrestrial plants.
C. are the haploid stage of the plant life cycle.
D. reproduce sexually.

In which of the following groups is the sporophyte dependent on the gametophyte?
A. Ferns
B. Bryophytes
C. Lycophytes
D. Horsetails

The endosperm:
A. supplies food for the developing sporophyte.
B. becomes the young embryo.
C. is specialized tissue found only in the male reproductive system.
D. is part of the zygote.

Which of these structures is not contained within a pine seed?
A. Embryo
B. Seed coat
C. Pollen grain
D. Female gametophyte

Which of these groups are still dependent on water for the transport of sperm?
A. Angiosperms
B. Byrophytes
C. Conifers
D. All of these choices

Which of the following features was responsible for the gymnosperms and angiosperms radiating into nearly all high and dry habitats?
A. The development of vascular tissue.
B. The development of alternation of generations.
C. Development of pollen.
D. Dominance of the sporophyte generation.

The only plants that posses flowers are the:
A. Angiosperms
B. Seed plants
C. Gymnosperms
D. All of the above

Double fertilization produces the:
A. Seed / new sporophyte
B. embryo sac
C. endosperm
D. zygote

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Solution Preview

Sporophytes
a. develop from spores and produce gametes.
B. are the dominant phase in the life cycle of most terrestrial plants.
C. are the haploid stage of the plant life cycle.
D. reproduce sexually.

Answer: B. are the dominant phase in the life cycle of most terrestrial plants.

Both Sporophyte and gametophyte stage can be dominant. Which generation is dominant differes in different plants. However in most terrestrial plants sporophytes are dominant.

Sporophytes are the diploid stage. Gametophytes are the haploid stage.
Sporophyte stage ...

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Multiple choice questions on General Biology

Which Division contains members once used to scrub pots and pans?
a. Division Sphenophyta
b. Division Psilophyta
c. Division Lycophyta
d. Division Pterophyta

Which of the following has "scale-like" leaves and photosynthetic stems?
a. club mosses
b. ferns
c. horsetails
d. hornworts

Which of the following describes a rhizoid?
a. root
b. stem
c. leaf

The fern gametophyte, when viewed under the microscope, appears to be in the shape of a _____?
a. square
b. circle
c. heart
d. clover

Sori are found _______.
a. attached to rhizoids.
b. on the underside of fronds.
c. only on fiddleheads.
d. on all plants.

Which of the following Divisions contains the ferns?
a. Division Sphenophyta
b. Division Psilophyta
c. Division Lycophyta
d. Division Pterophyta

The term "gymnosperm" means _______.
a. cone seeds
b. hidden seeds
c. naked seeds
d. vessel seeds

Microspores and megaspores produce _____ and _____ cones, respectively.
a. male and female
b. female and male

This Division only contains one living species.
a. Division Pinophyta
b. Division Cycadophyta
c. Division Ginkgophyta
d. Division Psilophyta

Fruit is defined as
a. seed containing structure.
b. matured ovary.
c. matured seed.
d. female organ of a plant.

Which of the following characteristics describes a Monocot?
a. seed with two cotyledons
b. secondary growth absent
c. flower parts in multiples of 4's or 5's
d. vascular bundles of stem in a ring

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