Question 1

Which of the following is not a characteristic of grass flowers?

Accepted Answer

A) They usually have three stamens. 
B) Grass flowers have enlarged,feathery stigmas. 
C) Surrounding each flower are two bracts: an outer lemma and an inner palea. 
D) Flowers are complete. 
E) There is a single ovule in the ovary. 
A) They usually have three stamens. 
B) Grass flowers have enlarged,feathery stigmas. 
C) Surrounding each flower are two bracts: an outer lemma and an inner palea. 
D) Flowers are complete. 
E) There is a single ovule in the ovary. D

Question 2

Which of the following is the most commonly grown species of wheat?

Accepted Answer

A) Triticum aestivum 
B) Triticum durum 
C) Triticum monococcum 
D) Triticum turgidum 
E) None of the above are correct. 
A) Triticum aestivum 
B) Triticum durum 
C) Triticum monococcum 
D) Triticum turgidum 
E) None of the above are correct. A

Question 3

Much of the corn grown in the United States today is used as animal feed,with only a small portion of the corn harvest being eaten directly by humans.

Accepted Answer

A) True 
 B)False  True

Question 4

What part of the maize plant prevents seed dispersal?

Accepted Answer

A) the tassel 
B) the husk 
C) the silk 
D) the fruits 
E) None of the above are correct. 
A) the tassel 
B) the husk 
C) the silk 
D) the fruits 
E) None of the above are correct.

Question 5

Nitrogen-fixing species are able to convert atmospheric nitrogen into a form of nitrogen that can be utilized by plants.

Accepted Answer

A) True 
 B)False

Question 6

The bracts surrounding a grass grain are called ________.

Accepted Answer

A) lemma 
B) chaff 
C) palea 
D) glumes 
E) awns 
A) lemma 
B) chaff 
C) palea 
D) glumes 
E) awns

Question 7

________ is the cereal grain which feeds the most people worldwide.

Accepted Answer

The answer of ________ is the cereal grain which feeds...

Question 8

All of the following describe hard wheat except one.Choose the exception.

Accepted Answer

A) higher gluten than soft wheat 
B) used mainly in making bread 
C) grown in areas with limited rainfall 
D) lower protein content than soft wheat 
E) All of the above are correct. 
A) higher gluten than soft wheat 
B) used mainly in making bread 
C) grown in areas with limited rainfall 
D) lower protein content than soft wheat 
E) All of the above are correct.

Question 9

In a grain the highest amount of starch would be found in the ________.

Accepted Answer

A) seed coat 
B) endosperm 
C) embryo 
D) bran 
E) aleurone layer 
A) seed coat 
B) endosperm 
C) embryo 
D) bran 
E) aleurone layer

Question 10

Barbara McClintock is also recognized as the first geneticist to consider the existence of epigenetic inheritance.

Accepted Answer

A) True 
 B)False

Question 11

The condition in which an organism has more than the diploid number of chromosomes is known as ________.

Accepted Answer

The answer of The condition in which an organism has...

Question 12

Wheat is native to the North America.

Accepted Answer

A) True 
 B)False

Question 13

The color and patterns seen in Indian corn are evidence of ________.

Accepted Answer

A) evolution 
B) transduction 
C) transposons 
D) inbreeding 
E) artificial selection 
A) evolution 
B) transduction 
C) transposons 
D) inbreeding 
E) artificial selection

Question 14

Which of the following terms is not matched with its definition?

Accepted Answer

A) stolon - underground horizontal stem 
B) lemma - outer bract surrounding a grass flower 
C) culm - the stem of a grass plant 
D) awn - slender bristle extending from a lemma 
E) glume - a bract beneath a spikelet 
A) stolon - underground horizontal stem 
B) lemma - outer bract surrounding a grass flower 
C) culm - the stem of a grass plant 
D) awn - slender bristle extending from a lemma 
E) glume - a bract beneath a spikelet

Question 15

Which of the following statements applies to wheat?

Accepted Answer

A) Wheat is one of the most widely cultivated cereals in the world. 
B) Wheat supplies a major percentage of the nutrient needs of humans. 
C) The spikes of wheat are tightly packed with grains,usually with long awns. 
D) Wheat has been called "The Staff of Life." 
E) All of the above are correct. 
A) Wheat is one of the most widely cultivated cereals in the world. 
B) Wheat supplies a major percentage of the nutrient needs of humans. 
C) The spikes of wheat are tightly packed with grains,usually with long awns. 
D) Wheat has been called "The Staff of Life." 
E) All of the above are correct.

Question 16

The most common corn grown by Native Americans in northern North America was which of the following?

Accepted Answer

A) flint 
B) dent 
C) waxy 
D) popcorn 
E) flour 
A) flint 
B) dent 
C) waxy 
D) popcorn 
E) flour

Question 17

Which of the following is currently believed to be the ancestor of modern corn?

Accepted Answer

A) triticale 
B) triticum 
C) tripsacum 
D) teosinte 
E) None of the above are correct. 
A) triticale 
B) triticum 
C) tripsacum 
D) teosinte 
E) None of the above are correct.

Question 18

A major aim of current wheat breeding programs is resistance to ________ disease.

Accepted Answer

The answer of A major aim of current wheat breeding...

Question 19

Which of the following species of wheat is tetraploid?

Accepted Answer

A) Triticum aestivum 
B) Triticum durum 
C) Triticum monococcum 
D) Triticum turgidum 
E) None of the above are correct 
A) Triticum aestivum 
B) Triticum durum 
C) Triticum monococcum 
D) Triticum turgidum 
E) None of the above are correct

Question 20

Most corn grown in the United States is used for ________.

Accepted Answer

A) flour and cooking oil 
B) biofuel 
C) making liquor and beer 
D) popcorn and directly eating as corn-on-the-cob 
E) animal food 
A) flour and cooking oil 
B) biofuel 
C) making liquor and beer 
D) popcorn and directly eating as corn-on-the-cob 
E) animal food

Exam 12: The Grasses

Which of the following is not a characteristic of grass flowers?

Which of the following is the most commonly grown species of wheat?

Much of the corn grown in the United States today is used as animal feed,with only a small portion of the corn harvest being eaten directly by humans.

What part of the maize plant prevents seed dispersal?

Nitrogen-fixing species are able to convert atmospheric nitrogen into a form of nitrogen that can be utilized by plants.

The bracts surrounding a grass grain are called ________.

________ is the cereal grain which feeds the most people worldwide.

All of the following describe hard wheat except one.Choose the exception.

In a grain the highest amount of starch would be found in the ________.

Barbara McClintock is also recognized as the first geneticist to consider the existence of epigenetic inheritance.

The condition in which an organism has more than the diploid number of chromosomes is known as ________.

Wheat is native to the North America.

The color and patterns seen in Indian corn are evidence of ________.

Which of the following terms is not matched with its definition?

Which of the following statements applies to wheat?

The most common corn grown by Native Americans in northern North America was which of the following?

Which of the following is currently believed to be the ancestor of modern corn?

A major aim of current wheat breeding programs is resistance to ________ disease.

Which of the following species of wheat is tetraploid?

Most corn grown in the United States is used for ________.

Plants in Our Lives

The Plant Cell

The Plant Body

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Genetics

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

Legumes

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

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