Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 38, Problem 1TYU
A fruit is
- (A) a mature ovary.
- (B) a mature ovule.
- (C) a seed plus its integuments.
- (D) an enlarged embryo sac.
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Students have asked these similar questions
Cleistogamous flowers are invariably autogamous because”
(a) These flowers do not open at all.
(b) There is no chance of cross – pollen landing on the stigma.
(c) These flowers have exposed anthers and stigma.
(d) These flowers are wind pollinated.
In which part of the flower does both meiosis and fertilization occur?
(A) anther
(B) filament
(C) ovule
(D) stigma
After fertilization, the _______________ develop(s) into a fruit and the _______________ develop(s) into a seed. (a) ovary; ovule (b) polar nuclei; ovule (c) ovary; endosperm (d) ovule; ovary (e) ovule; polar nuclei
Chapter 38 Solutions
Campbell Biology
Ch. 38.1 - Distinguish between pollination and fertilization.Ch. 38.1 - Prob. 2CCCh. 38.1 - MAKE CONNECTIONS Does the life cycle of humans...Ch. 38.2 - What are three ways that flowering plants avoid...Ch. 38.2 - Prob. 2CCCh. 38.2 - Prob. 3CCCh. 38.3 - Compare traditional plant-breeding methods with...Ch. 38.3 - Why does Bt maize have less fumonisin than non-GM...Ch. 38.3 - WHAT IF? In a few species, chloroplast genes are...Ch. 38 - What changes occur to the four types of floral...
Ch. 38 - Prob. 38.2CRCh. 38 - Prob. 38.3CRCh. 38 - A fruit is (A) a mature ovary. (B) a mature ovule....Ch. 38 - Prob. 2TYUCh. 38 - Double fertilization means that (A) flowers must...Ch. 38 - Prob. 4TYUCh. 38 - Prob. 5TYUCh. 38 - Prob. 6TYUCh. 38 - The black dots that cover strawberries are...Ch. 38 - DRAW IT Draw and label the parts of a flower.Ch. 38 - Prob. 9TYUCh. 38 - Prob. 10TYUCh. 38 - SCIENCE, TECHNOLOGY, AND SOCIETY Humans have...Ch. 38 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 38 - SYNTHESIZE YOUR KNOWLEDGE This colorized SEM shows...
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- The anther contains:(a) Sepals(b) Ovules(c) Carpel(d) Pollen grains.arrow_forwardGymnosperms and angiosperms have the following incommon except(A) seeds.(B) pollen.(C) ovaries.(D) ovules.arrow_forwardThe stamens represent: (a) microsporangia (b) male gametophyte (c) male gametes (d) microsporophylls.arrow_forward
- Growth of pollen tube towards embryo sac is (a) chemotropic (b) thigmotaxis (c) geotropic (d) none of thesearrow_forwardIn plant life cycles, (a) the first products of meiosis are gametes (b) spores are part of the diploid sporophyte generation (c) the embryo gives rise to a zygote (d) the first stage in the diploid sporophyte generation is the zygote (e) the first stage in the haploid gametophyte generation is the prothallusarrow_forward_______of the pollen grain divides to form two male gametes. (a) Vegetative cell (b) Generative cell (c) Microspore mother cell (d) None of thesearrow_forward
- What is the function of filiform apparatus in an angiospermic embryo sac? (a) Brings about opening of the pollen tube (b) Guides the pollen tube into a synergid (c) Prevents entry of more than one pollen tube into a synergid (d) None of thesearrow_forwardYour class is studying the burrs – the seed pods – of the common burdock plant. Your lab partner notices that the burrs easily cling to clothing, as well as to each other, and that some of the spines have come loose and gotten stuck in her skin, which is somewhat painful. Based on these observations, is there a logical explanation, other than reproductive success, for why the seed might have this special structure? (a) Yes, the structure may help the seed cling to the soil so that it can take root more easily (b) yes, these structures may prevent the seeds from getting damaged or eaten by other animals (c) yes, the structures may help prevent the seeds from getting pulled from the plant by sticking to each other (d) No, they are obviously intended to attach to animals so that they can be carried and dropped elsewherearrow_forwardDefine the following terms:(a) aestivation (b) placentation (c) actinomorphic (d) zygomorphic (e) superior ovary (f) perigynous flower(g) epipetalous stamenarrow_forward
- The cells of endosperm have 24 chromosomes. What will be the number of chromosomes in the gametes ? (a) 8 (b) 16 (c) 23 (d) 32arrow_forwardа. basally adjacent to the embryo proper and involved in root pole formation. (A) protoderm (B) hypophysis (C) suspensor (D) ground meristemarrow_forwardPlants with ovaries having only one or a few ovules are generally pollinated by: (a) bees (b) butterflies (c) birds (d) windarrow_forward
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