BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 22, Problem 4MCQ
Summary Introduction
Introduction:
The fusion of one haploid sperm nucleus with the central cell’s two nuclei produces a tissue known as endosperm. It is a triploid structure that is formed at the time of double fertilization.
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In a flower after fertilization, the following tissues are diploid:
a. carpel, integuments, and megaspore mother cell.
b. carpel, integuments, and megaspore.
c. carpel, megaspore, and zygote.
d. carpel, megaspore mother cell, and endosperm.
Flower shape and color can be linked to the process ofa. pollination.b. photosynthesis.c. germination.d. secondary growth
The seed leaves of a plant are called thea. meristem.b. endosperm.c. cotyledons.d. zygote.
Chapter 22 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 22.1 - What adaptations contribute to the reproductive...Ch. 22.1 - Prob. 2MCCh. 22.1 - Prob. 3MCCh. 22.2 - Label as many flower parts as possible in the...Ch. 22.2 - How does pollen move from one flower to another,...Ch. 22.2 - Prob. 3MCCh. 22.2 - Prob. 4MCCh. 22.2 - Prob. 5MCCh. 22.2 - Prob. 6MCCh. 22.2 - Prob. 7MC
Ch. 22.3 - Prob. 1MCCh. 22.3 - Prob. 2MCCh. 22.3 - Prob. 3MCCh. 22.4 - Prob. 1MCCh. 22.4 - Prob. 2MCCh. 22.4 - List the major classes of plant hormones, and name...Ch. 22.4 - Prob. 4MCCh. 22.5 - Prob. 1MCCh. 22.5 - How does light help regulate flowering time?Ch. 22.6 - Prob. 1MCCh. 22.6 - Prob. 2MCCh. 22 - The new gene combinations associated with sexual...Ch. 22 - Prob. 2MCQCh. 22 - Where would you find a male gametophyte? a. Inside...Ch. 22 - Prob. 4MCQCh. 22 - Prob. 5MCQCh. 22 - Prob. 6MCQCh. 22 - Prob. 7MCQCh. 22 - 8. What type of tropism is adaptive to a...Ch. 22 - Prob. 1WIOCh. 22 - Prob. 2WIOCh. 22 - Prob. 3WIOCh. 22 - Prob. 4WIOCh. 22 - Prob. 5WIOCh. 22 - Prob. 6WIOCh. 22 - Prob. 7WIOCh. 22 - Prob. 8WIOCh. 22 - Prob. 9WIOCh. 22 - Prob. 10WIOCh. 22 - Prob. 11WIOCh. 22 - What is the function of photoreceptors?Ch. 22 - Prob. 13WIOCh. 22 - Prob. 14WIOCh. 22 - Prob. 15WIOCh. 22 - Prob. 16WIOCh. 22 - Prob. 1SLCh. 22 - Prob. 1PITCh. 22 - Prob. 2PITCh. 22 - Prob. 3PITCh. 22 - Prob. 4PIT
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- When a dicot seed sprouts,a. a coleoptile protects the emerging shoot.b. the shoot develops more rapidly than the root.c. the shoot absorbs nutrients directly from theendosperm.d. a root cap protects the emerging root.arrow_forwardWhich of these is a feature not present in seedless plants that have contributed to the success of seed plants on land? a. Seeds have four layers of protective tissue, the seed coat, that improve survival by providing more protection from environmental stresses. b. The reduced gametophytes of seed plants are nurtured by sporophytes and protected from stress, such as drought conditions and UV radiation. c. Seed germination is solely mediated by water during episodes of heavy rain. d. Pollen grains, with walls containing sporopollenin, deter herbivores. Three unknown non-vascular plant species were collected by Biology 3 students. Which characters BEST discriminate them from one another? 1. protonema II. special organelles III. seta IV. calyptra V. capsule VI. stalk a. I,II,III b. I,III,V c. III, IV, V d. II,IV,VIarrow_forwardWhich of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid causes abscission layers to form.c. Ethylene is sometimes sprayed on flowers to keep them fresh.d. Abscisic acid stimulates seed germination.arrow_forward
- A difference between monocot and dicot plant stems is thea. absence of buds in monocots.b. organization of vascular tissue.c. presence of guard cells.d. absence of stomata.arrow_forwardwhich of the following best describes the seeds of dicots? a. the seeds produce only one cotyledon with no endosperm b. the seeds contain two cotyledons with endosperm c. the seeds contain two cotyledon and very little endosperm d. an example is bean e. c and darrow_forwardMonocots and dicots differ in all of the following ways excepta. vein patterns in the leaves.b. the process of double fertilization.c. the number of flower parts.d. the number of cotyledonsarrow_forward
- Choose the one answer that fits best. Which of the following statements regarding seed germination is NOT correct? O a. The first structure to emerge is the root O b. The root grows away from the light or down O c. Seeds can always germinate no matter what temperature and light conditions are d. There is no photosynthesis until green leaves emerge e. Enzymes inside the embryo break down nutrients during germinationarrow_forwardHow are compound leaves distinguished from simple leaves?a. Compound leaves do not have axillary buds at the baseof leaflets.b. Compound leaves are smaller than simple leaves.c. Simple leaves are usually deciduous.d. Compound leaves are found only on pine trees.e. Simple leaves are found only in gymnosperms.arrow_forwardGive five plant examples each: A. Auxiliary or lateral budsB. Terminal or apical bud, C. accessory budsD. adventitious budsarrow_forward
- Which of the following statements is NOT true of the stems of vascular plants? a. Stems are composed of repeating segments, including nodes and internodes. b. Primary growth only occurs at the shoot apical meristem. c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem. d. Stems can contain stomata.arrow_forwardFruits do not form in gymnosperms becausea. in gymnosperms, the seed is surrounded by the ovule.b. in angiosperms, the ovary is surrounded by the ovule.c. in gymnosperms, the ovule is surrounded by the ovary.d. in angiosperms, the ovule is surrounded by the ovary.arrow_forwardHow would plant development change if the functions of the genes SHOOTMERISTEMLESS (STM) and MONOPTEROUS (MP) were reversed? a. The embryo–suspensor axis would be reversed. b. The embryo–suspensor axis would be duplicated. c. The root–shoot axis would be reversed. d. The root–shoot axis would be duplicated.arrow_forward
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Plant Reproduction in Angiosperms; Author: Amoeba Sisters;https://www.youtube.com/watch?v=HLYPm2idSTE;License: Standard YouTube License, CC-BY