Biology : Concepts and Investigations (Loose)
3rd Edition
ISBN: 9780077681005
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 19, Problem 8MCQ
Reproduction in a pine tree is associated with
- a. male and female cones.
- b. wind-blown pollen.
- c. the formation of pollen tubes.
- d. All of the above are correct.
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Students have asked these similar questions
Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by:
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(c) middle layers
(d) endothecium.
Which of the following is false?
A. Oak trees have flowers
B. Gymnosperms make pollen
C. Ferns have seeds
D. Corn plants have rubisco
A fruit is(A) a mature ovary.(B) a mature ovule.(C) a seed plus its integuments.(D) an enlarged embryo sac.
Chapter 19 Solutions
Biology : Concepts and Investigations (Loose)
Ch. 19.1 - Prob. 1MCCh. 19.1 - Prob. 2MCCh. 19.1 - How does vascular tissue adapt plants to land?Ch. 19.1 - Describe the reproductive adaptations of plants.Ch. 19.2 - Describe the three main groups of bryophytes.Ch. 19.2 - Prob. 2MCCh. 19.3 - Describe the four groups of seedless vascular...Ch. 19.3 - Prob. 2MCCh. 19.3 - Prob. 3MCCh. 19.4 - What are the characteristics of gymnosperms?
Ch. 19.4 - What are the four groups of gymnosperms?Ch. 19.4 - Prob. 3MCCh. 19.4 - What happens during and after pollination in...Ch. 19.5 - Prob. 1MCCh. 19.5 - Prob. 2MCCh. 19.5 - Prob. 3MCCh. 19.5 - Prob. 4MCCh. 19.6 - Prob. 1MCCh. 19.6 - Prob. 2MCCh. 19 - Which of the following is NOT a similarity between...Ch. 19 - Prob. 2MCQCh. 19 - What conditions did plants face when they moved to...Ch. 19 - Prob. 4MCQCh. 19 - Prob. 5MCQCh. 19 - Prob. 6MCQCh. 19 - Prob. 7MCQCh. 19 - Reproduction in a pine tree is associated with a....Ch. 19 - 9. What is a key adaptation that is unique to the...Ch. 19 - What plant group is correctly matched with an...Ch. 19 - What characteristics do all land plants have in...Ch. 19 - Prob. 2WIOCh. 19 - How are terrestrial habitats different from...Ch. 19 - List the characteristics that distinguish the four...Ch. 19 - Prob. 5WIOCh. 19 - A fern plant can produce as many as 50 million...Ch. 19 - How do the adaptations of gymnosperms and...Ch. 19 - Prob. 9WIOCh. 19 - The immature fruit of the opium poppy produces...Ch. 19 - Scientists have studied plant populations that...Ch. 19 - Prob. 12WIOCh. 19 - Prob. 13WIOCh. 19 - Compare and contrast the life cycles of the four...Ch. 19 - Prob. 16WIOCh. 19 - Prob. 17WIOCh. 19 - Prob. 18WIOCh. 19 - What are the pros and cons of pursuing biofuels as...Ch. 19 -
1. Describe an adaptation that arose in each...Ch. 19 - Prob. 2PITCh. 19 - Prob. 3PITCh. 19 - Prob. 4PIT
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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
- In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesarrow_forwardAbundant and powdery pollen produced by small, indistinct flowers is probably transported by: a. bees and butterflies b. flies c. birds d. windarrow_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
- Which of the following is a common feature among liverworts, hornworts, and mosses? A) They are all wind pollinated. B) They are heterosporous. C) They are pollinated by animals. D) They require standing water for reproduction.arrow_forwardThe transfer of pollen grains from anther to stigma is (a) fertilization(b) double fertilization (c) pollination (d) germination (e) apomixisarrow_forwardThe integuments of an ovule will develop into the a. embryo. b. endosperm. c. fruit. d. seed coat.arrow_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_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_forwardConifers are common in mountain and high-latitude forests where it is cold, very dry and it snows frequently. What key characteristics of conifers give them an advantage over other types of plants that live in these forests? A) the production of resin.B) the conical shape of the tree.C) leaves with a relatively large surface area.D) needle-like leavesE) a waxy cuticle.F) sori located on the underside of the leavesG) loss of leaves during the winter months.arrow_forward
- 3. 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. A.If both statements are correct. B.If statement A is wrong and B is correct. C.If statement A is correct and B is wrong. D.If both statements are wrong.arrow_forwardWhich of the following is false about the phytochrome protein?a. There are two convertible forms.b. It primarly absorbes blue wavelengths of light.c. It is involved in seed germination.d. It is involved in plant sensing of spacing.arrow_forwardWhich of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forward
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