Title: Quiz 3b Climate & Weather
Course: MASTER-AGRI-1131-WB-Fairley > Section: Module 3 – Crop Improvement | Climate & Weather

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: Another name for Growing Degree Days is:
- Heat Units
- Growing Season
- Planting to Harvest
- None of the answers are correct
A: Heat Units
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: The temperature for maximum and minimum base temperatures used for GDD’s are:
- 90, 45
- 86, 48
- 89, 50
- 86, 50
A: 86, 50
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: When does drought have the most detrimental effect on crops?
- Seedling Stage
- Before flowering/pollination
- After flowering/pollination
- During flowering/pollination
A: During flowering/pollination
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: If winds are strong enough ___________ will occur.
- Transpiration
- Evapotranspiration
- Denitrification
- Lodging
A: Lodging
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: There are ____ major weather components.
- 3
- 2
- 4
- 5
A: 4
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: The air layer nearest the earth’s surface is called the _________________.
- Stratosphere
- Atmosphere
- Troposphere
- None of these choices
A: Troposphere
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Where does the primary source of water vapor come from?
- Lakes
- Rivers
- Oceans
- Ponds
- All of the above
A: Oceans
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: There are many different types of distribution patterns when it comes to precipitation. The pattern for Lincoln Nebraska is considered what type:
- Continental
- Humid
- Seasonal
- None of the answers are correct
A: Continental
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: What is considered a growing season?
- Planting to Harvest
- Days without a killing frost
- How long the crop takes to mature
- None of these answers are correct
A: Days without a killing frost
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Wind direction, relative humidity, and air pressure are all considered weather
conditions.
- True
- False
A: True

Q: High/Low temperatures have no effect on crops no matter what the stage.
- True
- False
A: False

Q: Humidity can increase the water lost in a plant.
- True
- False
A: True

Q: Roots can grow in dry soil, therefore water is not considered the most limiting factor.
- True
- False
A: False

Q: Plant roots do not need air, so soil saturated with water is acceptable
- True
- False
A: False

Q: Air is beneficial to crops because of the improvement of carbon dioxide within the
crop canopy.
- True
- False
A: True

Q: There is no significance to the relation of temperature to the rate of growth.
- True
- False
A: False

Q: Temperature will not vary with altitude.
- True
- False
A: False

Q: The transpiration ratio shows relative efficiency of water use.
- True
- False
A: True

Q: Some crop diseases can increase the water use efficiency.
- True
- False
A: False

Q: Winds can be responsible for the movement of warm air from lower to high latitudes.
- True
- False
A: True