Chapter 19 Flashcards
Corn could not persist without human cultivation
True
Some corn hybrids are adapted to grow in places with a growing season as short as 70 days
True
Flour corn is more resistant to fungi and insects than is flint corn
False
Most corn grown today is hybrid corn
True
Wheat is adapted to warm tropical climates
False
Soft wheat has a greater protein content compared to hard wheat
False
Rice is a primary grain crop fo over 50% of the world’s population
True
Rice is very productive when grown under drier conditions
False
Wild pie is commonly used as livestock feed
False
Barley can be used as a substitute for wheat in making raised bread
False
Oats are still valued as a feed for horses
True
Sorghum ranks fourth in importance worldwide as a human food crop after corn, rice and wheat
True
Rice in most of the world is cultivated using highly mechanized techniques
False
Sweet sorghum is being investigated as an alternative biofuel
True
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
D. Corn
On a corn plant, the male flowers are called: A. The Silk B. The Tassel C. The Ear D. The Husk
B. The Tassel
Which is the most widely grown corn type? A. Flint B. Flour C. Pod D. Dent
D. Dent
Which of the following corn types has very little starch? A. Flint B. Pop C. Sweet D. Pod
C. Sweet
The leading use of corn is: A. As Livestock Feed B. In Sweeteners C. As Corn on the Cob D. In Processed Corn Products
A. As Livestock Feed
Which of the following crops is known as the "staff of life"? A. Corn B. Wheat C. Barley D. Oats
B. Wheat
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
B. 3 to 5