Mastering Biology Plant Diversity And Reproduction

Angiosperms are most closely related to _____. a) bryophytes b) seedless vascular plants c) green algae d) gymnosperms e) charophyceans

Which of these was the dominant plant group at the time that dinosaurs were the dominant animals? a) bryophytes b) charophyceans c) seedless vascular plants d) gymnosperms e) angiosperms

Plants evolved from green algae approximately _____ million years ago. a) 400 b) 3,500 c) 2,200 d) 130 e) 475

_____ are an example of seedless vascular plants. a) Pine trees b) Mosses c) Charophyceans d) Ferns e) Lilacs

The living plants that are most similar to the first plants to bear gametangia are the _____. a) seedless vascular plants b) charophyceans c) bryophytes d) gymnosperms e) angiosperms

In moss, _____ produce sperm. a) protonemata b) antheridia c) archegonia d) embryos e) sporangia

The sperm produced by mosses require _____ to reach an archegonium. a) animals b) light c) the development of a flower d) wind e) moisture

In the moss life cycle _____ cells within a sporangium undergo _____ to produce _____ spores. a) diploid ... mitosis ... diploid b) diploid ... mitosis ... haploid c) haploid ... meiosis ... haploid d) diploid ... meiosis ... haploid e) haploid ... mitosis ... haploid

In mosses gametes are produced by _____; in ferns gametes are produced by _____. a) mitosis ... mitosis b) meiosis ... mitosis c) binary fission ... mitosis d) mitosis ... meiosis e) meiosis ... meiosis

Where do fern antheridia develop? a) on the tip of the sporophyte b) on the tip of the gametophyte c) on the underside of the sporophyte d) on the tip of the haploid protonema e) on the underside of the gametophyte

The conspicuous part of a fern plant is a _____. a) diploid sporophyte b) haploid gametophyte c) diploid gametophyte d) diploid sorus e) haploid sporophyte

In pines, the female gametophyte contains _____, each of which contains a(n) _____. a) archegonia ... egg b) antheridia ... egg c) antheridia ... sperm cell d) archegonia ... sperm cell e) microsporangia ... egg cell

In pines, an embryo is a(n) _____. a) food reserve for the immature sporophyte b) immature female gametophyte c) immature sporophyte d) immature male gametophyte seed

In pine trees, pollen grains get to the ovule via the _____. a) eggs b) integument c) pollen cone d) micropyle e) megaspore

Which of these statements is true about the gametophyte tissue that surrounds the pine embryo? a) It functions as a diploid food reserve. b) It develops from the fusion of a microspore and a megaspore. c) It functions as a haploid food reserve. d) It functions as a triploid food reserve. e) It is the remnant of the pollen tube.

Of the four haploid cells produced by a pine cone's megasporocyte (megaspore mother cell), _____ survive(s). a) one b) integuments c) four d) three e) two

In the pine, microsporangia form _____ microspores by _____. a) diploid ... mitosis b) haploid ... meiosis c) diploid ... meiosis d) haploid ... mitosis e) triploid ... fertilization

Which of these characteristics is shared by algae and seed plants? a) chloroplasts b) roots and shoots c) pollen d) embryo development within gametangia e) vascular tissue

Which of these is unique to flowering plants? a) haploid gametophytes b) double fertilization c) pollen production d) a dominant sporophyte generation e) an embryo surrounded by nutritive tissue

The male gametophytes of flowering plants are also referred to as _____. a) male sporophytes b) embryo sacs c) endosperm d) megaspores e) pollen grains

In flowering plants the integuments of the ovule develop into a(n) _____. a) cotyledon b) sporophyte c) seed coat d) endosperm e) fruit

A carpel is composed of _____. a) stigma, style, and ovary b) ovary, ovule, and anther c) petal, sepal, and stamen d) ovule, megasporocyte, and anther e) zygote, anther, and endosperm

In flowering plants one megaspore gives rise to _____ nuclei. a) four diploid b) four haploid c) microsporangia d) eight haploid e) eight diploid

A stamen consists of _____. a) ovary and sepal b) stigma and style c) stigma and anther d) anther and filament e) stigma and filament

In angiosperms, pollination is the transfer of pollen grain to the _____ of a flower on the same plant or another plant of the same species. a) stigma b) ovary c) style d) ovulate cone e) anther