CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 31, Problem 8TYK
Houses ovulesa
a. pollen grain
b. ovule
c. anther
d. ovary
e. sepal
f. petal
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Pollen grains are derived from a microsporocyte, developed inside the microsporangia of an anther,
and are supposed to contain 2 sperm cells and a tube nucleus.
O True
False
Meiosis occurs within the:
A.
Endosperm
B.
Petal
C.
Ovary
D.
Ovule
E.
Stigma
A.
Pollen tube
B.
C.
Which part of this angiosperm egg will become the endosperm?
D
B
E
A
с
D.
E.
Chapter 31 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 31 - Prob. 1CCCh. 31 - In angiosperms, each pollen grain produces two...Ch. 31 - Prob. 3TYKCh. 31 - Prob. 4TYKCh. 31 - Prob. 5TYKCh. 31 - Produces sperm a. pollen gain b. ovule c. anther...Ch. 31 - Prob. 7TYKCh. 31 - Houses ovulesa a. pollen grain b. ovule c. anther...Ch. 31 - Place these tissues in order, starting at the...Ch. 31 - Prob. 10TYK
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- Pollen grains develop in which structure? a. the anther b. the stigma c. the filament d. the carpelarrow_forwardSeeds are mature _______ ; fruits are mature_______ . a. ovaries; ovules c. ovules; ovaries b. ovules; stamens d. stamens; ovariesarrow_forwardA seed protects thea. embryo. b. ovule. c. ovary.d. pollen grain.arrow_forward
- буmnosperms Type of spore formed by heterosporous species which give rise to female gametophytes. A. Hetrospores B. Mergasporngiav C. Homospores D. Megasporesarrow_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 stamen consists of a long stalk called the filament that supports the ________. a. stigma b. sepal c. style d. antherarrow_forward
- C. For numbers 21 to 24, match the parts of the flower with what they will develop into after fertilization. A. Endosperm of the seed B. Plant embryo C. Fleshy fruit that can be D. Whole seed E. Seed coat eaten 21. Ovule 23. Polar Nuclei 22. Ovary 24. Eggarrow_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_forwardWhich of the following structures in a flower is not directly involved in reproduction? a. the style b. the stamen c. the sepal d. the antherarrow_forward
- Presence of all of the following factors promotes dormancy of seeds, except a.Phenolics b.Impermeable seed coat c.Immature embryo d.Gibberellinsarrow_forward8. Label the pollen sac and pollen grains in Figure 5. below. Figure 5. Lilium mature anther c.s. Photo by Carolyn Alling 9. How does the mature anther differ from the immature one with pollen tetrads?. Examine the pollen grains, or immature male gametophytes. Find a pollen grain with two nuclei. The pollen grain is not a binucleate cell, but rather a two-celled structure. The larger cell is the vegetative cell, or tube cell. The smaller cell, which floats freely in the cytoplasm of the tube cell, is the lens-shaped generative cell (see text Figure 19-16, page 468). If you look carefully, you will be able to distinguish the protoplast of the generative cell from that of the tube cell. 10. Find a pollen grain in Figure 6 below in which you can clearly see both the generative and tube cells and label them. Figure 6. Lilium mature anther c.s. 7 128 Photo by Carolyn Allingarrow_forwardThe arrival of pollen grains on a receptive stigma is called_____ . a. germination c. pollination b. fertilization d. propagationarrow_forward
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