Title: Quiz 6 Wheat, Grain, Sorghum
Course: MASTER-AGRI-1131-WB-Fairley > Section: Module 6 – Wheat, Grain Sorghum

The exam contains 20 multiple choices and true/false questions. Students will have one attempt and a 25 minute time limit to complete the quiz.

Q: Before the 1940s, most grain sorghums were _______ feet tall, which created harvesting problems. Today, sorghums are _____ feet tall. Choose which answer fits best in the blanks.
- 6-7, 5-6
- 5-7, 4-5
- 7-8, 3-4
- 5-8, 3-5
A: 5-7, 4-5
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Sorghum seed needs soil temperatures of _______°F for good emergence.
- 60-65
- 50-55
- 65-68
- 58-60
A: 60-65
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Seeding depth for Grain Sorghum should be no more than ___ inches in heavy soils or in sandy soils with
good soil moisture.
- 3
- 2
- 1
- 4
A: 1
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Below are a list of insects that affect Sorghum, choose the insect that does not fit.
- Chinch Bugs
- Aphids
- Headworm
- Hessian Fly
A: Hessian Fly
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: How many growth stages are there when staging Grain Sorghum?
- 10
- 9
- 5
- 7
A: 9
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: The planting depth of wheat should be ____ inches.
- 3
- 1
- 1.5
- 2
A: 1.5
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Wheat seeds germinate at temperatures of _____ degrees or higher.
- 39
- 45
- 27
- 33
A: 39
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: How many main stages are there to staging wheat using the Feekes Scale?
- 6
- 4
- 7
- 5
A: 5
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Below are a list of insects that affect wheat, choose the insect that does not fit.
- Hessian Fly
- Earworm
- Aphid
- Stink Bugs
A: Earworm
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Below are a list of diseases that affect wheat, choose the disease that does not fit.
- Stewart’s Wilt
- Downy Mildew
- Stripe rust
- Loose Smut
A: Stewart’s Wilt
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Open-flowering takes place shortly after the head has emerged.
- True
- False
A: True

Q: In Wheat, kernels per head are determined by the number of flowers that are pollinated.
- True
- False
A: True

Q: Sorghum is largely self-pollinated
- True
- False
A: True

Q: Sorghum is more tolerant of wet soils and flooding than most of the grain crops.
- True
- False
A: True

Q: The staging of Grain Sorghum are split into 2 different categorizes, Vegetative and
Grain Fill.
- True
- False
A: True

Q: Worldwide, sorghum is a food grain for humans only.
- True
- False
A: False

Q: Closed-flowering types of varieties of Wheat, flower prior to head emergence and the anthers remain inside
each floret.
- True
- False
A: True

Q: Sorghum seedlings are smaller than corn due to smaller seed size.
- True
- False
A: True

Q: When Wheat that is affected by freeze during the Tillering Growth Stage, it will likely have lower
yields.
- True
- False
A: False

Q: Wheat is largely cross pollinated.
- True
- False
A: True