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Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.What is the greatest advantage to the production of seeds?


A) It allows fertilization in the absence of water.
B) It protects and nourishes the embryo.
C) It is necessary for sexual reproduction.
D) It allows fertilization in moist areas.
E) It promotes pollination.

F) A) and B)
G) B) and D)

Correct Answer

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A sweet substance used by many angiosperms to lure pollinators is


A) pollen.
B) honey.
C) "honey dew."
D) phloem sap.
E) nectar.

F) B) and D)
G) B) and C)

Correct Answer

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Where are microspores produced in a flower?


A) anther
B) corolla
C) sepal
D) ovule
E) stigma

F) B) and D)
G) A) and B)

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In all major groups of multicellular organisms _______________ produces the cells that begin the haploid generation,and _________________ unites the gametes to begin the diploid generation.


A) mitosis;pollination
B) meiosis;fertilization
C) pollination;fertilization
D) fertilization;meiosis
E) fertilization;mitosis

F) None of the above
G) A) and C)

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Male gametophytes are made in each


A) stamen.
B) calyx.
C) stigma.
D) carpel.
E) corolla.

F) B) and C)
G) A) and E)

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The egg-bearing structure of a flower is the


A) stigmA.
B) ovary.
C) style.
D) anther.
E) sepal.

F) A) and B)
G) B) and E)

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If you add a plant hormone to a culture of plant cells,and cell division increases,which hormone did you add?


A) cytokinin.
B) gibberellin.
C) auxin.
D) ethylene.
E) abscisic acid.

F) None of the above
G) B) and D)

Correct Answer

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The main pollinators of red flowers are


A) beetles.
B) bees.
C) birds.
D) moths.
E) bats.

F) A) and D)
G) C) and D)

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C

A(n) ______ is a chemical synthesized in small quantities in one part of an organism and transported to another,where a target cell is affected.


A) enzyme
B) megaspore
C) microspore
D) hormone
E) gametophyte

F) C) and D)
G) A) and C)

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A short day plant flowers when nights are long.

A) True
B) False

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Sporophytes are haploid.

A) True
B) False

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False

You are given a sample of an ingredient,made from seeds,used for cooking.The sample,when tested,proves to have three copies of each chromosome per cells.You have been given


A) endosperm.
B) endoderm.
C) mesosperm.
D) mesoderm.
E) microsporE.

F) A) and D)
G) A) and E)

Correct Answer

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Gymnosperms are flowering plants.

A) True
B) False

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The sporophyte generation of a plant is _________________ and produces ___________________ spores.


A) triploid;diploid
B) haploid;diploid
C) triploid;haploid
D) diploid;haploid
E) multicellular;diploid

F) B) and E)
G) A) and E)

Correct Answer

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If you saw a florist shop with a name that meant "sepals and petals," you would expect the first word in the name to refer to the


A) stamen.
B) stigma.
C) calyx.
D) carpel.
E) corolla.

F) None of the above
G) C) and E)

Correct Answer

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Cytokinins are produced in the root apical meristem and stimulate the growth of lateral buds.How do cytokinins reach the lateral buds?


A) through the phloem
B) through the xylem or phloem
C) through the xylem
D) by diffusion as a gas
E) through the phloem or by diffusion as a gas

F) B) and D)
G) A) and B)

Correct Answer

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The flower whorl that produces female gametophytes contains at least one


A) carpel.
B) calyx.
C) stamen.
D) stigma.
E) corolla.

F) B) and E)
G) A) and E)

Correct Answer

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You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.What can be said of this plant?


A) It is a diploid monocot.
B) It is a diploid eudicot.
C) It is a triploid eudicot.
D) It is a triploid monocot.
E) It is polyploid monocot or eudicot.

F) A) and D)
G) None of the above

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B

The main pollinators of flowers that are easy to locate at night are


A) beetles.
B) birds.
C) bats and moths.
D) bees.
E) flies.

F) C) and D)
G) B) and D)

Correct Answer

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Cytokinins are plant hormones that stimulate the ripening of fruit.

A) True
B) False

Correct Answer

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