Chapter 19

Question 1

Corn should not persist without human cultivation

Answer 1

True

Question 2

Some corn hybrids are adapted to grow in places with a growing season as short as 70 days.

Answer 2

True

Question 3

Flour corn is more resistant to fungi and insects than is flint corn.

Answer 3

False

Question 4

Most corn grown today is hybrid corn.

Answer 4

True

Question 5

Wheat is adapted to warm tropical climates.

Answer 5

False

Question 6

Soft wheat has a greater protein content compared to hard wheat.

Answer 6

False

Question 7

Rice is a primary grain crop for over 50 percent of the world’s population.

Answer 7

True

Question 8

Rice is very productive when grown under drier conditions.

Answer 8

False

Question 9

Wild rice is commonly used as a livestock feed.

Answer 9

False

Question 10

Barley can be used as a substitute for wheat in making raised bread.

Answer 10

False

Question 11

Oats are still valued as feed for horses.

Answer 11

True

Question 12

Sorghum ranks fourth in importance worldwide as a human food crop after corn, rice, and wheat.

Answer 12

True

Question 13

Rice in most of the world is cultivated using highly mechanized techniques.

Answer 13

False

Question 14

Sweet sorghum is being investigated as an alternative biofuel.

Answer 14

True

Question 15

Based on acreage and economic value, which of the following crops is the most important in the United States?

A. rice
B. wheat
C. soybean
D. corn

Answer 15

D. corn

Question 16

On a corn plant, the male flowers are called:

A. the silk
B. the tassel
C. the ear
D. the husk

Answer 16

B. the tassel

Question 17

Which is the most widely grown corn type?

A. flint
B. flour
C. pod
D. dent

Answer 17

D. dent

Question 18

Which of the following corn types has very little starch?

A. flint
B. pop
C. sweet
D. pod

Answer 18

C. sweet

Question 19

The leading use of corn is:

A. as livestock feed
B. in sweeteners
C. as corn on the cob
D. in processed corn products

Answer 19

A. as livestock feed

Question 20

Which of the following crops is known as the”staff of life?”

A. corn
B. wheat
C. barley
D. oats

Answer 20

B. wheat

Question 21

The number of tillers on a wheat plant typically ranges from:

A. 1 to 2
B. 3 to 5
C. 5 to 10
D. 10 to 20

Answer 21

B. 3 to 5

Question 22

Which type of flour is made by grinding the entire wheat grain?

A. self-rising flour
B. bleached enriched flour
C. white flour
D. whole wheat flour

Answer 22

D. whole wheat flour

Question 23

Which of the following is used like a cereal grain but is actually a member of the Polygonaceae family?

A. buckwheat
B. triticale
C. spelt
D. Emmer wheat

Answer 23

A. buckwheat

Question 24

Wild rice is a:

A. cool season annual plant
B. warm season annual plant
C. cool season perennial plant
D. warm season perennial plant

Answer 24

A. cool season annual plant

Question 25

The two leading states for commercial wild rice production are: A. Texas and Wisconsin B. Texas and California C. Minnesota and California D. Wisconsin and Minnesota

Answer 25

C. Minnesota and California

Question 26

Which of the following grains is known for its cholestoral-lowering capability? A. oats B. barley C. rye D. wheat

Answer 26

A. oats

Question 27

Grain sorghum is produced primarily in which two states? A. Illinois and Michigan B. California and Washington C. North and South Dakota D. Kansas and Texas

Answer 27

D. Kansas and Texas

Question 28

Which of the following is commonly used as a winter cover crop? A. corn B. buckwheat C. rye D. rice

Answer 28

C. rye

Question 29

Which of the following grains is adapted to high altitudes? A. corn B. quinoa C. amaranth D. buckwheat

Answer 29

B. quinoa

Question 30

Tall fescue toxicosis is due to which of the following? A. moldy tall fescue B. a bacteria in tall fescue C. overeating of tall fescue D. a fungus in tall fescue

Answer 30

D. a fungus in tall fescue