Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 5TYK
In a pine tree, where would you find a microsporangium?
- a. within the embryo sac in an ovule
- b. in the pollen sacs in an anther
- c. on a scale in a pollen cone
- d. on a scale in an ovulate cone
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Students have asked these similar questions
Which of these pairs is mismatched?
a. anther—produces microspores
b. carpel—produces pollen
c. ovule—becomes seed
d. ovary—becomes fruit
e. flower—is a reproductive structure
From what structure does a pollen grain develop?
A. Egg
B. Embryo
C. Endosperm
D. Microspore
Find out the incorrect one for vernalisation.
a.Stimulus of vernalisation is perceived by embryo
b.Prevents early reproductive development
c.Helps to grow more than one crop in a year
d.Can help to keep plant in reproductive stage for very long time
Chapter 30 Solutions
Study Guide for Campbell Biology
Ch. 30 - Why is the evolution of pollen an important...Ch. 30 - Label the parts in the following generalized...Ch. 30 - a. Describe a pollen cone and the formation of a...Ch. 30 - In the following diagram of the life cycle of an...Ch. 30 - Fill in the following table, which compares...Ch. 30 - Describe the characteristics of seed plants that...Ch. 30 - Prob. 2SYKCh. 30 - Current morphological and molecular evidence...Ch. 30 - Prob. 1TYKTCh. 30 - Prob. 2TYKT
Ch. 30 - Prob. 3TYKTCh. 30 - Prob. 4TYKTCh. 30 - Prob. 5TYKTCh. 30 - _______ A fruit consists of an embryo, nutritive...Ch. 30 - Prob. 7TYKTCh. 30 - Prob. 8TYKTCh. 30 - Prob. 1TYKCh. 30 - Prob. 2TYKCh. 30 - For a pine seed, which of the following choices...Ch. 30 - Gymnosperms rose to dominance during the a....Ch. 30 - In a pine tree, where would you find a...Ch. 30 - Prob. 6TYKCh. 30 - Prob. 7TYKCh. 30 - Which of the following pairs is mismatched? a....Ch. 30 - Prob. 9TYKCh. 30 - Prob. 10TYKCh. 30 - Prob. 11TYKCh. 30 - Prob. 12TYK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which suite of reproductive features distinguishes angiosperms from gymnosperms? A. The carpel, double fertilisation, endosperm formation B. Pollen-formation, double fertilisation, seed-formation C. Pollen-formation, the carpel, double fertilisation, endosperm formation D. The carpel, double fertilisation, endosperm formation, seed-formationarrow_forwardBesides the seed, what other major structure diminishes a plant’s reliance on water for reproduction? a. flower b. fruit c. pollen d. sporearrow_forwardThe structure of the fern sporangium shown promotes spore dispersal by a ‘catapult’ mechanism. What is the driving force involved? A. Increased pressure within the sporangium B. Opening of the sporangium mouth C. Elastic rebound D. Water evaporation from the annulusarrow_forward
- What is the ploidy of the following structures: gametophyte, seed, spore, sporophyte? a. 1n, 1n, 2n, 2n b. 1n, 2n, 1n, 2n c. 2n, 1n, 2n, 1n d. 2n, 2n, 1n, 1narrow_forwardCompare what happens to a spore mother cell as it gives rise to a spore with what happens to a spore as it gives rise to a gametophyte. a. The spore mother cell and the spore both go through meiosis. b. The spore mother cell and the spore both go through mitosis. c. The spore mother cell goes through mitosis, and the spore goes through meiosis. d. The spore mother cell goes through meiosis, and the spore goes through mitosis.arrow_forwardHow does double fertilization occur in flowering plants?a. The two sperm in a pollen tube fertilize the two egg cells present ineach female gametophyte.b. One of the two sperm in a pollen tube fertilizes the single egg in afemale gametophyte, and the other fuses with the two nuclei presentin the central cell.c. Two sperm, one contributed by each of two different pollen tubes,fertilize the two egg cells in a single female gametophyte.d. Two sperm contributed by separate pollen tubes enter a singlefemale gametophyte; one of the sperm fertilizes the egg cell, and theother fertilizes the central cell.e. None of the above is correct.arrow_forward
- Which of the following cell types is responsible for cavitation-induced spore dispersal in most ferns? A. stipe cells B. indusium cells C. oogonia cells D. annular cellsarrow_forwardWhat separates the gymnosperms from other seed plants?a. a vascular systemb. wind dispersion of pollenc. ovules not completely covered by the sporophyte at the time of pollinationd. fruits and flowersarrow_forwardHow to extract fruit seeds from small seeds with adhering flesh? a. wash them thoroughly with water b. simply twist the nut to separate from the pseudocarp c. remove the flesh by macerating seeds with fine sand, then wash thoroughly with water d. soak them in water for 24 hrs until the adhering materials becomes soft and readily separated from the seeds. Wash with tap water.arrow_forward
- On what are plant embryos dependent? Select one: a. Water for pollination b. Nutrients provided by the sporophyte c. Water for fertilization d. Nutrients provided by the gametophytearrow_forwardVegetative propagation in liverworts is possible because of propagules known as gemmae. Select one: True False Where would you most likely find the megasporangium of an angiosperm? a. Within an ovule contained within an ovary of a flower b. In the style of a flower c. Enclosed in the stigma of a flower d. Packed into pollen sacs within the anthers found on a stamen Which of the following plant structures is NOT matched correctly to its function? a. Stomata allow gas transfer b. Tracheids allow the movement of water and minerals c. Cuticle prevents desiccation d. Plasmodesmata - form a supportive meshwork which acts as a cellular exoskeletonarrow_forwardThe alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage is reduced B. the sporophyte stage is reduced C. the gametes are produced via meiosis D. the spores are produced via meiosisarrow_forward
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