Question 1

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 layerF) A) and E)
G) A) and B)

Question 2

The bracts surrounding a grass grain are called ________.

Accepted Answer

A)  lemma
B)  chaff
C)  palea
D)  glumes
E)  awnsF) B) and D)
G) C) and D)

Question 3

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 4

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 spikeletF) A) and E)
G) All of the above

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

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

Question 7

Wheat is native to the North America.

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

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

Question 10

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.F) A) and B)
G) All of the above A

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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 13

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 foodF) B) and E)
G) A) and C)

Question 14

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

Accepted Answer

A)  evolution
B)  transduction
C)  transposons
D)  inbreeding
E)  artificial selectionF) A) and B)
G) None of the above

Question 15

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

Accepted Answer

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

Question 16

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.F) A) and B)
G) A) and C)

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

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 correctF) A) and B)
G) C) and D)

Question 20

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)  flourF) B) and E)
G) A) and B)

Exam 12: The Grasses

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

Correct AnswerverifiedShow Answer

The bracts surrounding a grass grain are called ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Wheat is native to the North America.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

Which of the following statements applies to wheat?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What part of the maize plant prevents seed dispersal?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following species of wheat is tetraploid?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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A

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True

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