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 101 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

I wish you success

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AGR 101

1 / 40

1. The phenotypic ratio observed in Mendel’s dihybrid cross in the F2 generation is:

A. 3:1

B. 1:3:3

C. 1:2:1

D. 9:3:3:1

2 / 40

2. The primary goal of crop husbandry is to:

A. Maximize crop yields while ensuring healthy growth and quality

B. Prolong the storage life of seeds

C. Eliminate mechanized farming practices

D. Reduce irrigation use entirely

3 / 40

3. The main role of chloroplasts in plant cells is:

A. Regulation of water in vacuoles

B. Transportation of minerals from roots

C. Structural support for plant cell walls

D. Photosynthesis to produce food using sunlight

4 / 40

4. A trait expressed in a heterozygous individual is termed:

A. Recessive

B. Genotypic

C. Dominant

D. Phenotypic

5 / 40

5. A homozygous individual for a specific trait will have:

A. Different alleles for that trait

B. No alleles for that trait

C. Half the number of alleles

D. Identical alleles for that trait

6 / 40

6. The term "genetics" was first coined by:

A. Jean-Baptiste Lamarck

B. William Bateson

C. Gregor Mendel

D. Charles Darwin

7 / 40

7. Artificial insemination offers advantages such as:

A. Utilizing superior genetics without housing males on the farm

B. Guaranteeing 100% conception rates

C. Reducing the need for hormonal regulation

D. Eliminating all breeding diseases

8 / 40

8. The presence of phenotypes such as smooth or wrinkled seeds in pea plants illustrates:

A. Mutation-driven genetic anomalies

B. Continuous environmental adaptation

C. Reduction in variability in a population

D. Expression of dominant and recessive alleles

9 / 40

9. Propagation method ideal for plants like bananas and strawberries, which do not produce seeds, is:

A. Vegetative propagation

B. Seed propagation

C. Pollination

D. Sexual reproduction

10 / 40

10. Grafting as a method of asexual propagation is defined as:

A. Combining rootstock and scion for superior plant traits

B. Utilizing underground stems for reproduction

C. Natural sexual reproduction in self-pollinating crops

D. Manual dispersal of seeds in fertile soil

11 / 40

11. Sexual propagation in plants is primarily achieved through:

A. Artificial grafting

B. Vegetative buds

C. Underground stem parts

D. Seeds resulting from gamete fertilization

12 / 40

12. Propagation of plants by seeds is commonly referred to as:

A. Asexual propagation

B. Vegetative propagation

C. Hybridization

D. Sexual propagation

13 / 40

13. Monocropping differs from intercropping in that monocropping

A. Uses a single crop species repeatedly on the same land

B. Uses multiple crop species on the same land

C. Promotes biodiversity

D. Is environmentally sustainable

14 / 40

14. Integrated pest management (IPM) minimizes pest impact by:

A. Focusing on monocropping systems

B. Allowing pests to flourish in natural conditions

C. Combining cultural, biological, and chemical controls

D. Overreliance on chemical pesticides

15 / 40

15. Dihybrid cross offspring in the F2 generation follow a phenotypic ratio of:

A. 1:2:1

B. 1:1

C. 3:1

D. 9:3:3:1

16 / 40

16. A heterozygous plant for seed shape, when crossed with another heterozygous plant, produces offspring with a phenotypic ratio of:

A. 1:2:1

B. 9:3:3:1

C. 1:1

D. 3:1

17 / 40

17. A monohybrid cross examines the inheritance of:

A. Environmental effects on traits

B. Two pairs of contrasting traits

C. A single pair of contrasting traits

D. Traits from non-related individuals

18 / 40

18. Mendel's law that explains the separation of alleles during gamete formation is called:

A. Law of Segregation

B. Law of Uniformity

C. Law of Dominance

D. Law of Independent Assortment

19 / 40

19. ‌Crop rotation is used primarily to:

A. Limit plant growth patterns across years

B. Ensure genetic diversity within monocropping

C. Increase pest infestation

D. Enhance soil fertility and reduce pests

20 / 40

20. The combination of breeding and genetic engineering techniques used to improve crops is called:

A. Conventional propagation

B. Crop improvement

C. Biotechnology-free agriculture

D. Organic farming

21 / 40

21. Integrated Pest Management (IPM) emphasizes:

A. Developing pest-resistant machinery

B. Rotational grazing practices

C. Combining biological, cultural, and chemical pest control methods

D. Sole reliance on chemical pesticides

22 / 40

22. A dihybrid cross involves inheritance of traits:

A. That are controlled by a single pair of contrasting factors

B. From a single parent only

C. Governed by environmental conditions alone

D. Controlled by two pairs of contrasting factors

23 / 40

23. Plants propagated using the asexual method:

A. Display more genetic variations than seed-propagated plants

B. Are mostly annual crops

C. Are genetically identical to the parent plant

D. Take longer to reach maturity

24 / 40

24. Hybridization in crop improvement is performed to:

A. Maintain plant uniformity

B. Introduce desirable traits into offspring

C. Reduce genetic variation

D. Improve seed storage

25 / 40

25. Hormones that regulate growth and metabolism are produced by:

A. The skeletal system

B. The cardiovascular system

C. The muscular system

D. The endocrine system

26 / 40

26. The estrus cycle in farm animals includes periods of

A. Rest only without any fertility

B. Non-fertile intermittent stages

C. Fertility readiness (heat) and rest (anestrus)

D. Continuous estrus through all cycles

27 / 40

27. The difference between ruminants and monogastric animals lies in:

A. Hormone production in the endocrine system

B. Digestive system structure and process

C. Number of bones in the skeletal system

D. Presence of sensory organs

28 / 40

28. Estrus in female farm animals is characterized by:

A. The phase of highest fertility and mating receptivity

B. Full gestational development

C. Increased feeding rates

D. Periods of rest and inactivity

29 / 40

29. The major function of the placenta during pregnancy is to:

A. Protect the body from external diseases

B. Control hormonal release for estrus

C. Support calcium absorption in bones

D. Facilitate nutrient and waste exchange for the fetus

30 / 40

30. Crop rotation is implemented primarily to:

A. Enhance soil fertility and reduce pest infestations

B. Increase water consumption

C. Expand farmland

D. Maintain a consistent crop for longer periods

31 / 40

31. Cardiac muscles in farm animals are:

A. Part of the skeletal system

B. Found in the limbs for movement

C. Voluntary muscles used in grazing

D. Involuntary muscles responsible for the heart's contractions

32 / 40

32. A vegetative propagation method enabling the production of multiple colors of roses on one plant is:

A. Layering

B. Seed sowing

C. Division

D. Grafting

33 / 40

33. In beekeeping, honeybees play a crucial role by

A. Preventing crop diseases

B. Eliminating predatory insects

C. Storing grains for agriculture

D. Providing pollination services to crops

34 / 40

34. Intercropping aims to:

A. Cultivate two or more crops on the same land simultaneously

B. Replace traditional crop rotations

C. Grow multiple crops sequentially

D. Eliminate competition between crops

35 / 40

35. ‌Wildlife management involves practices to:

A. Increase fish harvest in marine aquaculture

B. Intensify industrial activities in rural areas

C. Conserve biodiversity and protect ecosystems

D. Enhance urban infrastructure development

36 / 40

36. In relay cropping, a second crop is planted:

A. Before the first crop is harvested

B. After two growing seasons

C. Simultaneously with the first crop

D. After the first crop is harvested

37 / 40

37. Aquaculture is considered a sustainable alternative to capture fisheries because it:

A. Focuses on freshwater habitats exclusively

B. Avoids production costs related to animal feed

C. Uses only natural breeding cycles

D. Minimizes environmental impact through controlled conditions

38 / 40

38. The skeletal system in farm animals functions to:

A. Provide structure and protection for internal organs

B. Enable chemical messaging through hormones

C. Transport nutrients throughout the body

D. Facilitate digestion

39 / 40

39. Plants propagated by asexual methods are advantageous because they:

A. Generate genetic diversity in every generation

B. Require no skill or knowledge to propagate

C. Show true-to-type genetic characteristics of the parent

D. Depend only on seeds

40 / 40

40. A planting pattern ensuring maximum light penetration and air circulation would be:

A. Rectangular grid

B. Square grid

C. Monocropping

D. Random

Your score is

The average score is 52%

AGR 101 CBT

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