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) All of the above
G) B) and E)

Question 2

Which of the following plants is not a member of the Poaceae?

Accepted Answer

A)  wheat
B)  rice
C)  maize (corn) 
D)  oats
E)  all of these are members of the PoaceaeF) C) and E)
G) A) and E)

Question 3

How is teosinte different from maize?

Accepted Answer

A)  teosinte has terminal staminate flowers
B)  teosinte has lateral carpellate flowers
C)  teosinte has a diploid number of 20
D)  teosinte kernels are surrounded by a hard fruit case
E)  in all of these teosinte differs from maizeF) A) and B)
G) All of the above D

Question 4

If a grass seed geminates,the ______ provides enzymes that break down endosperm.

Accepted Answer

A)  chaff.
B)  aleurone layer.
C)  coleoptile.
D)  germ.
E)  bran.F) A) and B)
G) D) and E)

Question 5

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

Accepted Answer

polyploidy

Question 6

The outer wall of a grass grain is the

Accepted Answer

A)  chaff.
B)  aleurone layer.
C)  coleoptile.
D)  germ.
E)  bran.F) B) and E)
G) C) and D)

Question 7

Goat grasses played an important role in the evolution of:

Accepted Answer

A)  corn
B)  rice
C)  wheat
D)  potatoes
E)  peanutsF) B) and D)
G) A) and D)

Question 8

The short grain rice variety which is sticky when cooked is:

Accepted Answer

A)  indica
B)  japonica
C)  javanica
D)  sinensis
E)  none of the aboveF) A) and B)
G) A) and C)

Question 9

Polyploidy has had a significant impact on the evolution of modern:

Accepted Answer

A)  corn
B)  rice
C)  wheat
D)  potato
E)  soybeansF) A) and E)
G) None of the above

Question 10

The growth of rice in paddies is enhanced by the nitrogen-producing species,

Accepted Answer

A)  Anabaena azollae.
B)  Oryza sativa.
C)  Aegilops tauschi
D)  Triticum aestivum
E)  Zea maysF) A) and C)
G) None of the above

Question 11

A hybrid crop called Aegilops is a cross between wheat and rye.

Accepted Answer

A) True 
 B)False

Question 12

Which species of wheat is used for producing bread flour?

Accepted Answer

A)  Triticum aestivum
B)  Triticum durum
C)  Triticum monococcum
D)  Triticum turgidumE) B) and D)
F) A) and B)

Question 13

._______ is primarily grown today to make the malt for brewing of beer.

Accepted Answer

The answer of ._______ is primarily grown today to make...

Question 14

The 1970 Southern leaf blight wide-spread epidemic was blamed on

Accepted Answer

A)  the use of GMOs.
B)  extreme rainfall caused by global warming.
C)  an extreme drought caused by global warming.
D)  the use of disease susceptible male-sterile lines.
E)  organic farming techniques.F) None of the above
G) B) and D)

Question 15

This staple crop grows to be 1 meter tall,flowers are in a panicle at tip of stalk,grains surrounded by bracts,and air chambers in the stalk.This staple crop is

Accepted Answer

A)  maize.
B)  barley.
C)  rice.
D)  wheat.E) A) and B)
F) A) and D)

Question 16

The color and patterns seen in Indian corn are evidence of

Accepted Answer

A)  evolution.
B)  transduction.
C)  transposons.
D)  inbreeding.
E)  artificial selection.F) All of the above
G) D) and E)

Question 17

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 wheatE) None of the above
F) A) and B)

Question 18

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 turgidumE) All of the above
F) A) and B)

Question 19

The most common corn grown in the Corn Belt of the United States is

Accepted Answer

A)  flint
B)  dent
C)  waxy
D)  sweet
E)  flourF) A) and B)
G) All of the above

Question 20

Which of the following species is not correctly paired with its common name?

Accepted Answer

A)  Avena sativa - oat
B)  Triticum aestivum - wheat
C)  Oryza sativa - rice
D)  Secale cereal - goat grass
E)  Hordeum vulgare - barleyF) B) and D)
G) B) and E) D

Exam 12: The Grasses

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

Correct AnswerverifiedShow Answer

Which of the following plants is not a member of the Poaceae?

Correct AnswerverifiedShow Answer

How is teosinte different from maize?

Correct AnswerverifiedD

If a grass seed geminates,the ______ provides enzymes that break down endosperm.

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedpolyploidy

The outer wall of a grass grain is the

Correct AnswerverifiedShow Answer

Goat grasses played an important role in the evolution of:

Correct AnswerverifiedShow Answer

The short grain rice variety which is sticky when cooked is:

Correct AnswerverifiedShow Answer

Polyploidy has had a significant impact on the evolution of modern:

Correct AnswerverifiedShow Answer

The growth of rice in paddies is enhanced by the nitrogen-producing species,

Correct AnswerverifiedShow Answer

A hybrid crop called Aegilops is a cross between wheat and rye.

Correct AnswerverifiedShow Answer

Which species of wheat is used for producing bread flour?

Correct AnswerverifiedShow Answer

._______ is primarily grown today to make the malt for brewing of beer.

Correct AnswerverifiedShow Answer

The 1970 Southern leaf blight wide-spread epidemic was blamed on

Correct AnswerverifiedShow Answer

This staple crop grows to be 1 meter tall,flowers are in a panicle at tip of stalk,grains surrounded by bracts,and air chambers in the stalk.This staple crop is

Correct AnswerverifiedShow Answer

The color and patterns seen in Indian corn are evidence of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The most common corn grown in the Corn Belt of the United States is

Correct AnswerverifiedShow Answer

Which of the following species is not correctly paired with its common name?

Correct AnswerverifiedD

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polyploidy

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D