Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 29, Problem 12SQ
Exposure to _______ can trigger seed germination.
- a. light
- b. cold
- c. smoke
- d. all can be triggers
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The arrival of pollen grains on a receptive stigma is called_____ . a. germination c. pollination b. fertilization d. propagation
After double fertilization, a zygote and ________ form. a. an ovule b. endosperm c. a cotyledon d. a suspensor
Ethylene promotes
A. production of female flowers
B. fruit ripening
C. promotion of abscission of leaves, fruits, and flowers
D. production of ABA
E. A, B, and C
F. B, C, and D
Chapter 29 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Prob. 4DAACh. 29 - The arrival of pollen grains on a receptive stigma...Ch. 29 - An animal pollinator may be rewarded by _______...Ch. 29 - Prob. 3SQCh. 29 - In flowrers, the structures that produce male...Ch. 29 - Meiosis of cells in pollen sacs forms haploid...Ch. 29 - Prob. 6SQ
Ch. 29 - Choose the statement that is true. a. All flowers...Ch. 29 - The seed coat forms from the __________. a....Ch. 29 - Seeds are mature ______; fruits are mature...Ch. 29 - Jessica is preparing a plate of fruits for a party...Ch. 29 - Cotyledons develop as pan of ________. a. carpels...Ch. 29 - Exposure to _______ can trigger seed germination....Ch. 29 - Prob. 13SQCh. 29 - Match the terms with the most suitable...Ch. 29 - Prob. 15SQCh. 29 - Prob. 1CTCh. 29 - All but one species of large birds native to New...Ch. 29 - Is the seedling shown on the right a monocot or...
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- The seed coat forms from the______ . a. integuments c. endosperm b. coleoptile d. sepalsarrow_forwardThe fertilized ovule gives rise to the ________. a. fruit b. seed c. endosperm d. embryoarrow_forward1. Ovary will become the _____. A.seed coat B.fleshy fruit that can be eaten C.whole seed D.endosperm of the seed E.plant embryo 2. If the testes fail to descend, a male is infertile because sperm cell formation is prevented by _____. A.excessive production of estrogen B.none of the choices C.all of the choices D.lack of testosterone E.relatively high internal body temperature 3. An egg develops to an amphibian without being fertilized by an egg. A.Isogamy B.Sporulation C.Parthenogenesis D.Asexual Reproduction E.Sexual Reproductionarrow_forward
- ______is the hormone in most rooting compounds. a. Gibberellin c. Cytokinin b. Auxin d. ABAarrow_forwardA seed is a(n)_______ . a. female gametophyte c. mature pollen tube b. mature ovule d. immature microsporearrow_forwardA seedling germinating under a stone grows at an angle away from the stone and upward. This response to touch is called ________. a. gravitropism b. thigmonasty c. thigmotropism d. skototropismarrow_forward
- During germination cotyledons come out of the soil in a.Rice b.Mango c.Maize d.Castorarrow_forwardDomesticated banana plants produce seedless fruit because they are______ . a. triploid d. propagated by grafting b. monocots e. treated with colchicine c. endangered f. infected with Phylloxeraarrow_forwardFar-red light will _________stem elongation and _______seed dormancy. Select one: a. promote, suppress b. suppress, promote c. suppress, suppress d. promote, promotearrow_forward
- II. Altemate response C. If statement A is correct and B is wrong. D. If statement A is wrong and B is correct. A. f both statements are correct. B. If both statements are wrong. 25. A. The microsporangium in the anther contains numerous microsporocytes which will undergo meiosis to produce four haploid microspores. B. Each microspore develops into a pollen grain containing two sperm nuclei and one tube nucleus. 26. A. The megasporocyte will undergo meiosis to produce four haploid megaspores three megaspores degenerate. B. One remaining megaspore divides mitotically three times. 27. A. An embryo sac (ovule) contains eight haploid nuclei. B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei. 28. A. Inside a pollen grain there is a tube cell and generative cell. B. Generative cell divides to produce two sperm cells while the tube cell becomes pollen tube elongates along the style. 29. A. One sperm unites with the egg to form the zygote. B. The other sperm fuses with…arrow_forwardMeiosis of cells in pollen sacs forms haploid______ . a. megaspores c. stamens b. microspores d. sporophytesarrow_forwardWhich of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin b.ABA c.Ethylene d.Auxinarrow_forward
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