Exam 19: Introduction to the Angiosperms

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Perisperm develops from the proliferation of the nucellus.

(True/False)
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In a myco-heterotrophic relationship, the ______ transfers carbohydrates to the _______.

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About 70% of living angiosperms have a(n) _______ type of megasporogenesis and megagametogenesis.

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The male germ unit consists of two sperms cells physically associated with the vegetative nucleus.

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In flowers with sepals, petals, and stamens attached below the ovary, the ovary is said to be:

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In a flower with a superior ovary, the perianth and stamens are epigynous.

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The innermost layer of the pollen sac wall is the:

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In most angiosperms, the primary endosperm nucleus is:

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In the center of the embryo sac are the:

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The gynoecium consists of all the ______ of a flower.

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An example of connation is the union of stamens with:

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The pedicel of a flower is:

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In a carpel, the style connects the stigma with the ovary.

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The perianth consists of all the ______ of a flower.

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A carpel is a leaflike structure that contains ovules.

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Which of the following statements about myco-heterotrophic plants is FALSE?

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The function of the tapetum is to provide food for developing microspores.

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Myco-heterotrophs have an obligate relationship with a mycorrhizal fungus.

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Which of the following statements about phylum Anthophyta is FALSE?

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The fertile parts of a flower are the:

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