Free crop science reviewer for the Licensure Examination for Agriculturists

According to my site stats, most viewers look at my post entitled 5 tips to pass the licensure examination for agriculturists or LEA. The exam is not a joke. The 3-day examination is composed of 6 parts wherein you will take 2 subjects per day. One of the 6 subjects is crop science and here I am going to give you 50 crop science related questions you can practice on.

1. Pomological crops are agronomic crops.
a. True
b. False
c. Neither true nor false
d. None of the above

2. What is the common name of Phaseolus vulgaris?
a. Lima bean
b. Snap bean
c. common bean
d. both b and c

3. The scientific name of corn is Zea mays, L. The “L” stands for:
a. Lehninger
b. Linne
c. Linnaeus
d. either b or c

4. Aubergine belongs to what family?
a. Euphorbiaceae
b. Solanaceae
c. Poaceae
d. None of the above

5. The specific epithet of Soybean
a. Merrill
b. max
c. Glycine
d. soja

6. An example of plant that commonly being reproduced sexually.
a. Squash
b. Sugarcane
c. Both a and b
d. None of the above

7. Crops can be classified according to life cycle. Rice is classified as:
a. Annual
b. Perenial
c. Biennial
d. Cyclical

8. The following are classification of according to growth habit except:
a. Herbs
b. Trees
c. Graminoid
d. None of the above

9. S. bicolor is usually used as:
a. Cereal
b. Legume
c. Fiber crop
d. Oil crop

10. This crop produces latex/resins.
a. M. philippica
b. P. pelucida
c. H. brasiliensis
d. P. nigrum

11. Cover crops help in preventing erosion because of its fibrous roots.
a. True
b. False
c. Neither true nor false
d. None of the above

12. Grasses that are fermented and preserved for animal consumption.
a. Silage
b. P. purpureum
c. Soilage
d. a and b

13. Morphologial character/s associated with avoidance to lodging.
a. small stature
b. stiff stalks
c. both a and b
d. neither a nor b

14. The male flower of corn.
a. Ear
b. Silk
c. Seed
d. Tassel

15. The following are the primary functions of the roots except:
a. absorb nutrients and moisture
b. anchor the plant
c. store food
d. none of the above

16. Legumes can form root nodules. Which of the following is a leguminous crop?
a. Glycine max
b. Katuray
c. Kakawate
d. All of the above

17. Gas form of hormone responsible for ripening and induced with stress.
a. Abscissic acid
b. Ethylene
c. Cytokinin
d. Auxin

18. What is the genus of bittergourd?
a. Momordica
b. charantia
c. Cucurbita
d. Lagenaria

19. The following are root crops except:
a. Manihot esculenta
b. Solanum tuberosum
c. Daucus carota
d. Sandoricum koetjape

20. Which of the following are aboveground stem?
a. Spurs
b. Rhizomes
c. Tubers
d. b and c

21. Gabi or Colocasia esculenta has modified roots called corms.
a. True
b. False
c. It depends
d. Neither true nor false

22. An art, science and business of improving crops.
a. Plant Breeding
b. Plant Physiology
c. Plant Pathology
d. Weed science

23. Termed as “The most obnoxious weed” in the world causing decline in crop production due to production of several tubers.
a. Pistia stratiotes
b. Pennisetum purpereum
c. Cyperus rotundus
d. Ipomoea triloba

24. Rice contains spongy tissue with large air spaces providing plant roots with oxygen under hypoxic condition. This tissue is called:
a. Parenchyma
b. Sclerenchyma
c. Aerenchyma
d. None of the above

25. Modified leaves in pea plants that serve as support to its stems
a. Bracts
b. Bulb
c. Tendrils
d. a and c

We are halfway there! How are you doing so far?

26. Modified leaves in pea plants that serve as support to its stems
a. Bracts
b. Bulb
c. Tendrils
d. a and c

27. Its primary function is for reproduction and ensuring continuance of species
a. Flower
b. Leaf
c. Stem
d. Root

28. An example of a monoecious crop.
a. Zeamays
b. Oryza sativa
c. Manihot esculenta
d. a and c

29.  Which of the following statements is not always true?
a. Incomplete flower has one of the parts missing
b. All complete flowers are perfect flowers
c. All perfect flowers are complete flowers
d. Imperfect flowers have either stamen or pistil lacking

30. A fruit consists of fertilized, matured ovules called:
a. peduncle
b. seed
c. angiosperm
d. gametophyte

31. An efficient way of producing off-season fruits through application of chemicals or other methods.
a. propping
b. bagging
c. flower induction
d. ratooning

32. Strawberries are example of what type of fruit?
a. simple
b. aggregate
c. multiple
d. b and c

33. Plants can produce their own food with the presence of light through what process?
a. Respiration
b. Transpiration
c. Photosynthesis
d. Either a or c

34. Trellis is used as support to growing creeping plants. The following are different types of trellis except:
a. A-Type
b. Live materals
c. Both a and b
d. None of the above

35. Plants can produce energy through respiration.
a. True
b. False
c. Neither true nor false
d. None of the above

36. Why do plants transpire?
a. To transport minerals from soil to plant parts
b. To maintain turgor pressure
c. It is not an important process
d. a and b

37. An element is considered essential if:
a. It can replace the function of other element
b. It is indirectly involved in plant metabolism
c. The plant can survive in the absence of the element
d. none of the above

38. Soil fertility refers to the inherent capacity of a soil to plants in adequate amounts and in suitable proportion.
a. True
b. False
c. It is crop dependent
d. None of the above

39. Essential elements needed in large amounts are called macroelements. __________is one of the macroelements.
a. Iron
b. Silicon
c. Magnesium
d. a and b

40. Which of the following statements is/are not true:
a. Microelements are needed in small amounts compared to macroelements
b. Beneficial elements are essential elements
c. Symptoms of deficiency in mobile elements are first seen in mature leaves
d. Sulfur is a macronutrient

41. According to seed technologist, a seed is considered germinated when there is radicle.
a. True
b. False
c. Neither true nor false
d. None of the above

42. The type of germination wherein reserved tissue is raised above the ground.
a. hypogeal
b. epigeal
c. parageal
d. both a and b

43. Arrange the following processes in seed germination (1 being the 1st):
a. Translocation and metabolism assimilates
b. Imbibition or water uptake
c. Seedling emergence and growth
d. Hydrolysis of reserve food
e. Activation of enzymes

44. Which is not always a requirement in seed germination?
a. light
b. favorable temperature
c. proper oxygen level
d. none of the above

45. Place of origin of avocado
a. Mexico
b. Philippines
c. Japan
d. Brazil

46. This method of seed viability testing involves soaking of seeds in water before sowing.
a. dormancy test
b. TTZ test
c. flotation test
d. none of the above

47. Pangasinan is the top producing province of which crop/s
a. eggplant
b. calamansi
c. peanut
d. a and c

48. This type of seeds should be stored with low moisture and low temperature and relative humidity upon storing.
a. orthodox
b. recalcitrant
c. intermediate
d. a and c

49. Government agency that is primarily responsible for all national censuses and surveys, sectoral statistics, consolidation of selected administrative recording systems and compilation of national accounts
a. Bureau of Agricultural Statistics
b. Philippine Statistics Authority
c. Institute of Statistics
d. Statistics Authority for Agricultural commodities

50. The top sugarcane producing province.
a. Sultan Kudarat
b. Tarlac
c. Davao del Norte
d. Negros Occidental


Follow my blog to know the answers (I will also explain why the other choices are incorrect)! Or you can simply search the web.

Disclaimer: The author composed the questions from different literatures. These are sample questions and there’s no guarantee that any of these will be on the actual exam.

Good luck, takers! *wink*