Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace AGR 102 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions
Do not waste time on a question you don’t know
Move as fast as possible and starting with questions that don’t have calculation first to save time
Always crosscheck
Don’t be in a hurry to submit, you are not in a competition
Don’t be scared. Getting an A is easy
Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book
Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

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AGR 102

1 / 39

1. What phase of soil is dominant in a typical soil profile?

A. Liquid

B. Gas

C. Organic

D. Solid

2 / 39

2. Which process involves the movement of water and nutrients from soil to plant roots?

A. Soil interception

B. Soil diffusion

C. Soil compaction

D. Mass flow

3 / 39

3. What does the null hypothesis state in the context of the mean bean yield example?

A. The mean bean yield is greater than 10 quintales per manzana

B. The mean bean yield is different from 10 quintales per manzana

C. The mean bean yield is less than 10 quintales per manzana

D. The mean bean yield is equal to 10 quintales per manzana

4 / 39

4. What is the main function of a hydraulic pump in a hydraulic system?

A. To store hydraulic fluid

B. To filter the fluid

C. To control the direction of fluid flow

D. To create the flow of the fluid medium

5 / 39

5. What type of soil structure is commonly found in arid or semi-arid regions and has rounded tops?

A. Prismatic

B. Granular

C. Platy

D. Columnar

6 / 39

6. What soil horizon is typically darker in color and can be mechanically disturbed?

A. E horizon

B. A horizon

C. O horizon

D. B horizon

7 / 39

7. What does the term "soil profile" refer to?

A. A soil sample taken from the surface.

B. A vertical section of soil through multiple horizons.

C. A horizontal section of soil.

D. A chemical analysis of soil.

8 / 39

8. What is the definition of soil according to Brady?

A. The solid material on the earth's surface.

B. The organic material found in the top layer of the earth.

C. The unconsolidated material at or near the earth's surface with properties due to its proximity to the surface.

D. The mineral particles found in the earth's crust.

9 / 39

9. Which soil structure type consists of small, plate-like aggregates and is typically found in A or E horizons?

A. Subangular Blocky

B. Angular Blocky

C. Columnar

D. Platy

10 / 39

10. What is the term for wind-deposited soil?

A. Lacustrine

B. Marine

C. Colluvium

D. Eolian

11 / 39

11. In tractor implement control systems, what is the purpose of the auto-draft control?

A. To maintain a pre-determined draft or force required by an implement

B. To store implements when not in use

C. To manually adjust the implement's position

D. To lift and keep the implement in a neutral position

12 / 39

12. Which element of the hydraulic system converts fluid power into rotary motion?

A. Actuator

B. Motor

C. Valve

D. Pump

13 / 39

13. What does the solid phase of soil mainly consist of?

A. Organic Matter

B. Air

C. Mineral soil

D. Water

14 / 39

14. What type of valve in a hydraulic system controls the direction of fluid flow?

A. Check valve

B. Spool valve

C. Pressure control valve

D. Volume control valve

15 / 39

15. What is indicated by a soil's Munsell color notation?

A. Soil drainage and organic material content

B. Soil texture

C. Soil structure

D. Soil acidity and alkalinity

16 / 39

16. In a t-test, if the p-value is less than 0.05, what does it indicate?

A. The result is not statistically significant

B. Accept the null hypothesis

C. Reject the null hypothesis

D. There is no significant difference

17 / 39

17. Which statistical test is used to evaluate the difference between two means?

A. Correlation test

B. Independent samples t-test

C. Regression test

D. One-sample t-test

18 / 39

18. What is the range of values that a correlation coefficient can take?

A. 0 to 2

B. -1 to 0

C. -1 to 1

D. 0 to 1

19 / 39

19. What is the primary function of farm power in agricultural operations?

A. To provide pull or force required to operate implements

B. To directly perform the tasks

C. To replace human labor entirely

D. To serve as a decorative element on farms

20 / 39

20. What are the three main size categories of soil particles?

A. Silt, gravel, sand

B. Clay, silt, gravel

C. Sand, gravel, rock

D. Clay, sand, silt

21 / 39

21. What is the function of the PTO (Power Take Off) drive system on a tractor?

A. To attach the implement to the tractor

B. To increase the speed of the tractor

C. To transport the tractor to different locations

D. To provide auxiliary rotary power to implements requiring rotary movement

22 / 39

22. What does the correlation coefficient measure?

A. Variance

B. Proportional covariance

C. Mean

D. Covariance

23 / 39

23. What is the primary purpose of gear drives in farm machinery?

A. To provide lubrication

B. To engage each other for motion transmission without shock, minimum wear, and noise

C. To create hydraulic power

D. To store energy

24 / 39

24. What is the function of cross-tabulation in statistical analysis?

A. To generate joint frequency distribution of two categorical variables

B. To perform linear regression

C. To calculate means and standard deviations

D. To display frequency distribution of continuous variables

25 / 39

25. What does R-squared (R²) indicate in a regression model?

A. The standard error

B. The correlation between variables

C. The proportion of variance explained by the model

D. The mean difference

26 / 39

26. What is the primary use of binary regression models?

A. To determine standard deviations

B. To compute means

C. To analyze continuous variables

D. To explain the adoption of a new technology

27 / 39

27. Which type of farm implement is directly connected to and powered by the tractor?

A. Semi-mounted

B. Self-propelled

C. Pulled

D. Mounted

28 / 39

28. What is the term for the sum of exchangeable cations in soil?

A. Soil texture

B. Soil fertility

C. Soil solution

D. Cation exchange capacity (CEC)

29 / 39

29. What pH range is generally considered optimal for the availability of both macronutrients and micronutrients?

A. 5.5-7.0

B. 3.5-5.0

C. 6.0-8.0

D. 4.0-6.0

30 / 39

30. Which term refers to soil deposited by rivers?

A. Residium

B. Alluvium

C. Marine

D. Lacustrine

31 / 39

31. In correlation analysis, what is the purpose of using the 'Bivariate' option in SPSS?

A. To analyze the correlation between two variables

B. To generate descriptive statistics

C. To perform a frequency distribution

D. To analyze a single variable

32 / 39

32. What is the typical range of soil pH?

A. 4.0 to 9.5

B. 2.0 to 6.0

C. 5.0 to 10.0

D. 1.5 to 12.0

33 / 39

33. What is the logit in logistic regression?

A. The sum of the independent variables

B. The logarithm of the odds ratio

C. The natural logarithm of the dependent variable

D. The inverse of the dependent variable

34 / 39

34. What is a key assumption of the Ordinary Least Squares (OLS) regression?

A. The dependent variable is categorical

B. The variance of errors is not constant

C. The mean of errors is zero

D. All errors are correlated

35 / 39

35. What does a significant positive correlation between two variables indicate?

A. As one variable increases, the other decreases

B. Both variables move independently

C. As one variable increases, the other also increases

D. There is no relationship between the variables

36 / 39

36. What statistical method is used to explain the behavior of one variable through other variables?

A. Correlation analysis

B. Multiple linear regression

C. Descriptive statistics

D. Binary regression

37 / 39

37. What is the simplest form of power transmission in farm machinery?

A. Shaft and universal joint drive

B. Belt and pulley drive

C. Hydraulic system

D. Gear drive

38 / 39

38. What type of belt is designed to mesh into splines and provide a positive drive?

A. Vee-shaped belt

B. Round belt

C. Flat belt

D. Timing belt

39 / 39

39. In regression analysis, what does the term 'error' represent?

A. Explained variability

B. Unexplained variability

C. Standard deviation

D. Mean difference

Your score is

The average score is 38%

FUOYE AGR 102 CBT Practice

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