AP Biology : Understanding Other Plant Macrostructures

Study concepts, example questions & explanations for AP Biology

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Example Questions

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Example Question #48 : Plant Structures

Which of the following best describes the location of the receptacle on an angiosperm?

Possible Answers:

Inside the ovary 

At the top of the ovary 

Attached to the anther

At the top of the stem 

Correct answer:

At the top of the stem 

Explanation:

The receptacle is the part of an angiosperm out of which the flower grows; thus, the receptacle is at the top of the stem.

Example Question #49 : Plant Structures

Which of the following is contained in the carpel?

Possible Answers:

Ovules

Anther

Stamen

Flower

Correct answer:

Ovules

Explanation:

The carpel is a part of the female angiosperm reproductive system. The carpel includes the ovary, ovules, style, and stigma. Flowers may have several carpels clustered into a pistil.

Example Question #51 : Plant Structures

Which of the following is produced by stamens in angiosperms?

Possible Answers:

Seeds

Pollen

Ovules

Sap

Correct answer:

Pollen

Explanation:

Stamens are a part of the male reproductive system in angiosperms. Stamens have a filament and an anther, which is attached to the top of the filament. Anthers produce pollen through the process of meiosis.

Example Question #52 : Plant Structures

Which of the following best describes the function of the sepal in angiosperms?

Possible Answers:

Protection of the flower when it is still in the bud

Houses ovules awaiting fertilization

Attracts pollinators

Production of pollen

Correct answer:

Protection of the flower when it is still in the bud

Explanation:

The sepal is a protective structure in angiosperms. When the flower is still in the bud, the sepal offers protection and later supports the bloom.

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