Pre Test - Crop Science PDF

PRE TEST - CROP SCIENCE Total points 69/100 Read the instructions carefully. Make sure you understand the format of the exam, including the number of questions, time limit (if any), and any specific guidelines provided. Ensure you have a reliable inter...

PRE TEST - CROP SCIENCE Total points 69/100 Read the instructions carefully. Make sure you understand the format of the exam, including the number of questions, time limit (if any), and any specific guidelines provided. Ensure you have a reliable internet connection and a device (computer, laptop, or tablet) to access the exam. Find a quiet and distraction-free environment to take the exam. Make sure you have all the necessary materials, such as a pen or pencil and scratch paper, if allowed. Open the exam link or access the exam through the designated platform. Enter any required login credentials if prompted. Familiarize yourself with the exam interface. Take note of any navigation options, such as moving between questions or reviewing and changing answers. Start with the first question. Read the question carefully, paying attention to details and any accompanying instructions or passages. Review all the answer choices before making your selection. PERSONAL INFORMATION 0 of 0 points Name * (Last name, First Name, Middle Initial) BAYNADO, ANGEL JOHN S. School * POLANGUI COMMUNITY COLLEGE Email Address * [email protected] Upload a formal picture for congratulatory post. * CamScanner 01-… Add file Untitled Section 69 of 100 points 1. Which of the following is an example of a cereal crop? * 1/1 A. Cornicks B. Wheat C. Apple D. Peanut 2. Which crop is an example of a monocot? * 1/1 A. Glycine max B. Zea mays C. Malus domestica D. Solanum tomato  3. Explain the role of chlorophyll in plants. * 1/1 A. It absorbs light energy and nutrients from the sun. B. It transports nutrients throughout the plant. C. It absorbs light energy for photosynthesis. D. It protects the plant from herbivores. 4. Which statement best describes the function of phloem tissue? * 0/1 A. It stores food for the plant. B. It transports water C. It transports sugars D. it transports sugar and water Correct answer C. It transports sugars 5. Which soil horizon is known as the topsoil? * 1/1 A. O horizon B. A horizon C. B horizon D. C horizon  6. Evaluate the impact of removing the apical meristem on a plant's *1/1 growth? A. The plant will stop absorbing water. B. The plant will no longer produce flowers. C. The plant will stop growing taller. D. The plant will die immediately. 7. Which of the following crops is classified as a tuber? * 1/1 A. Carrot B. Potato C. Sweet potatoes D. Adlai 8. If you cross a plant with genotype AaBb with a plant with genotype *0/1 AABB, what is the expected genotype ratio of the offspring? A. 1:1 B. 1:2:1 C. 1:1:1:1 D. 9:3:3:1 Correct answer C. 1:1:1:1  9. What percentage of the Philippine GDP was contributed by agriculture *0/1 from 2009 to 2019 A. 5.32% B. 8.82% C. 10.45% D. 15.20% Correct answer B. 8.82% 10. Which crop is commonly known as the "miracle rice" * 0/1 A. IR8 B. IR64 C. Golden Rice D. Basmati Rice Correct answer A. IR8  11. Which GMO crop is engineered to produce beta-carotene, aimed at *0/1 addressing Vitamin A deficiency? A. Stable Rice B. New Rice C. Golden Variety D. Healthy Rice Correct answer D. Healthy Rice 12. Which banana variety is most extensively cultivated for export in the *1/1 Philippines? A. Steps B. From brass C. Cavendish Mr. Saba 13. The flow of energy in an ecosystem typically starts with: * 1/1 A. Herbivores B. Decomposers C. Primary producers D. Sun 14. Which type of plant movement is triggered by light? * 1/1 A. Gravitropism B. Thigmotropism C. Phototropism D. Hydrotropism 15. Law of the minimum states that * 1/1 a. yield is proportional to the amount of the most limiting nutrient b. One input in the production of a commodity is increased while all other inputs areheld fi xed, additions of the input yield progressively smaller. c. Adding increments of the limiting factors will produce a smaller increment ofgrowth d. none of the above 16. Which organization celebrated the Supreme Court decision as a win *1/1 for farmers and environmental health? A. Monsanto B. Greenpeace Southeast Asia C. AnakBayan D. Philippine Rice Research Institute (PhilRice)  17. Which type of farming system is most aligned with the principles of *1/1 sustainable agriculture? A. Intensive monoculture B. Integrated farming systems C. Plantation agriculture D. Industrial agriculture 18. What is the primary purpose of aquaponics systems? * 1/1 A. To grow fish for consumption B. To cultivate plants in soilless condition C. To raise both fish and plants together D. To purify water for drinking 19. Which of the following is known as Annona squamosa? * 0/1 A. Soursop B. Wax apple C. Sugar apple D. Custard apple Correct answer C. Sugar apple  20. What is the family of Durio zibethenus? * 0/1 a. Burseraceae b. Annonaceae c. Bombacaceae d. Anacardiaceae Correct answer c. Bombacaceae 21. If soil is shallow, the result would likely be: * 1/1 I. Limited water retention and nutrient availability. II. Herbaceous crops can grow in this type of soil. III.It allows plants to penetrate deeply in the water table. a. I and II b. II and III c. I, II and III d. None of the above  22. Coffea arabica is * 1/1 a. Plantation crop b. Fruit and Plantation crop c. Plantation and Liquor crop d. Beverage and Plantation crop 23. Coffea robusta is also known as? * 0/1 a. Barco coffee b. Nescafe coffee c. Thick coffee d. Tagalog coffee Correct answer b. Nescafe coffee  24. Hevea brasilliensis' product is known as * 0/1 a. Natural latex b. Natural rubber c. Natural plastic d. Natural elastic Correct answer b. Natural rubber 25. Which crop is the staple food for over 90% of the Philippine *1/1 population? A. Corn B. Rice C. Wheat D. Soybean  26. Which of the following is NOT an heirloom variety? * 0/1 A. Brandywine Tomato B. Mortgage Lifter Tomato C. Rome Tomato D. Celebrity Tomato Correct answer C. Rome Tomato 27. In plant genetics, what does the term "homozygous" refer to? * 1/1 Having two identical alleles for a particular gene Having two different alleles for a particular gene Having multiple alleles for a particular trait Having no alleles for a particular gene 28. During the Spanish Colonial period, the main crops grown in *1/1 plantations for export were: A. Coffee and tea B. Sugar and hemp C. Rice and corn D. Cotton and tobacco 29. Which of the following is a macronutrient essential for plant growth? * 1/1 a) Iron b) Zinc c) Nitrogen d) Manganese 30. Leguminous crops are primarily grown for their ability to: * 1/1 A. Produce large fruits B. Fix nitrogen in the soil C. Source of Oil D. for protein source 31. Which crop is considered a non-food crop? * 1/1 Oryza sativa Gossypium hirsutum Tuberous nightshade Summer wheat 32. What is the primary pigment involved in photosynthesis? * 1/1 A. Chlorophyll B. Chloroplast C. Chromoplast D. Carotophyll 33. Which term describes the genetic makeup of an organism? * 1/1 A. Phenotype B. Genotype C. Allele D. Locus 34. A farmer uses a seed drill to plant wheat seeds. The recommended *1/1 planting rate is 150 kg of seeds per hectare. If the seed drill has a hopper capacity of 30 kg, how many times will the farmer need to refill the hopper to plant one hectare? A. 3 times B. 4 times C. 5 times D. 6 times  35. When was Francisco Tiu Laurel Jr. installed as the Secretary of *0/1 Agriculture? A. January 15, 2023 B. March 22, 2023 C. November 3, 2023 D. December 1, 2023 Correct answer C. November 3, 2023 36. How would you identify a plant part as a stem rather than a root? * 1/1 A. It is green and above the ground. B. It is brown and below ground. C. It has nodes and internodes. D. It primarily absorbs water. Option 13  37. Which plant breeding method is used to produce plants with *1/1 desirable traits from two different parent plants? A. Self-pollination B. Backcrossing C. Cross-breeding D. Clonal propagation 38. What is the recommended depth for transplanting rice seedlings? * 0/1 A. 1-2 cm B. 5-6 cm C. 10-12 cm D. 15-20 cm Correct answer A. 1-2 cm  39. Which irrigation method would you recommend to reduce water use *1/1 in rice production? A. Flood irrigation B. Sprinkler irrigation C. Drip irrigation D. Alternate wetting and drying (AWD) 40. What is the main advantage of transplanting rice seedlings over direct *0/1 seeding? A. Faster maturity B. Better weed control C. Reduced water usage D. Higher labor costs Correct answer B. Better weed control  41. Which region is the top producer of the Cavendish banana variety in *0/1 the Philippines? A. Northern Mindanao B. Davao Region C. Zamboanga Peninsula D. Central Luzon Correct answer B. Davao Region 42. Which of the following factors significantly affects crop yield during *0/1 the growing season? A. Soil pH B. Pest management C. Irrigation frequency D. Temperature fluctuations Correct answer D. Temperature fluctuations  43. Which nutrient is essential for chlorophyll synthesis in plants? * 0/1 a) Calcium b) Nitrogen c) Phosphorus d) Potassium Correct answer b) Nitrogen 44. Which of the following is not an insect pest of coconut? * 0/1 a. Rhynchophorus ferrugineus b. Apidiotus destructor c. Oryctes rhinoceros d. Heminthosporium coconae Correct answer d. Heminthosporium coconae  45. Which of the following is NOT true? * 1/1 I. Coffee belongs to Rubiaceae II. Coconut belongs to Arecaceae III. Rubber belongs to Euphorbiaceae a. I and II only b. II and III only c. I, II and III d. None of the above 46. What is the rank of the Philippines among the Asian countries in *0/1 relation of production of banana? a. Third b. Fouth c. Fifth d. First Correct answer b. Fouth  47. Which of the following statements refers to a plant’s macroclimate? * 1/1 A. The average temperature and humidity in a greenhouse. B. The soil moisture levels around a plant's roots. C. The regional weather patterns influencing an entire farming area. D. The amount of sunlight a plant receives in a day. 48. Which of the following crops originated from Mexico? * 0/1 A. Wheat B. Corn C. Rice D. Barley Correct answer B. Corn 49. Which of the following is one of the top five crops produced in the *1/1 Philippines? A. Tomato B. Corn C. Sugarbeets D. Mango 50. Chlorophyll is abundant in what plant tissue? * 1/1 A. Xylem B. Phloem C. Mesophyll D. Epidermis 51. Which type of plant performs the Calvin cycle in the mesophyll *1/1 cells? A. C3 plants B. C4 plants C. CAM plants D. All of the above 52. Which type of plants opens their stomata at night to minimize water *1/1 loss? A. C3 plants B. C4 plants C. CAM plants D. All of the above 53. Explain why C4 plants have an advantage over C3 plants in hot *1/1 climates. A. They can store more water. B. They have a higher rate of photorespiration. C. They can minimize photorespiration and maximize photosynthesis. D. They have fewer stomata. 54. Which adaptation would you expect to find in the leaves of CAM *1/1 plants to reduce water loss? A. Thin, broad leaves B. Stomata that open at night C. High density of stomata D. Reduced number of chloroplasts 55. Evaluate the potential impact of global climate change on the *1/1 distribution of C3, C4, and CAM plants. A. C3 plants will become more dominant. B. C4 and CAM plants may become more widespread. C. The distribution of C4 plants will decrease due to higher CO2 levels. D. CAM plants will be less affected by changes in temperature and water availability.  56. Which of the following is a major cereal crop grown worldwide? * 0/1 A. Triticale B. Rice C. Corn D. Wheat Correct answer D. Wheat 57. What is the practice of growing a new crop out of shoots from the *1/1 previous crop called? A. Rejuv cropping B. Relay cropping C. Ratooning D. Intercropping  58. Where in the cell does glycolysis occur? * 0/1 A. Nucleus B. Mitochondria C. Cytoplasm D. Endoplasmic reticulum Correct answer C. Cytoplasm 59. What is the process called where plants use the length of light and *1/1 dark periods to regulate flowering? A. Phototropism B. Photosynthesis C. Photoperiodism D. Photomorphogenesis 60. If a gardener wants to plant a garden in a shaded area, which type of *1/1 plants should they choose? A. Heliophytes B. Sciophytes C. Xerophytes D. Halophytes 61. What is the term 'absolute drought' used to describe? * 1/1 A. A period of 15 or more consecutive days without rainfall B. A period of 30 or more consecutive days with very little rainfall C. A period of 7 or more consecutive days without rainfall D. A period of 45 or more consecutive days with heavy rainfall 62. What will happen to plants if it is an El Niño year? * 1/1 A. Increased growth due to higher temperatures B. Decreased rainfall leading to cracking of soil C. Water stress and reduced growth due to drought conditions D. Enhanced nutrient uptake from the soil  63. What are edaphic factors? * 1/1 A. Climatic conditions B. Soil-related conditions C. Light conditions D. Water conditions 64. What are the main products of the light reaction phase of *0/1 photosynthesis? A. Glucose and Oxygen B. Carbon Dioxide and Water C. ATP and NADPH D. Pyruvate and NADH Correct answer C. ATP and NADPH  65. What are the main products of the light-independent reactions (Calvin *0/1 cycle) of photosynthesis? A. ATP and NADPH B. Oxygen and Water C. Glucose and Oxygen D. Glucose and ADP Correct answer D. Glucose and ADP 66. What is the main purpose of breeder seed in crop production? * 1/1 A. To sell directly to farmers B. To produce foundation seed C. To be used for genetic experiments only D. To be distributed by seed certification agencies  67. What are assimilates in plant physiology? * 0/1 A. Water and minerals absorbed by the roots B. Organic compounds synthesized during photosynthesis C. Organic compounds absorbed by the roots D. Nutrients taken up from the soil Correct answer B. Organic compounds synthesized during photosynthesis 68. A seed lot is subjected to the tetrazolium test, and the results show a *0/1 significant number of seeds with no red staining. What does this imply about the seed lot? A. The seeds are highly viable. B. The seeds have high moisture content. C. The seeds have poor viability. D. The seeds have high nutrient content. Correct answer C. The seeds have poor viability. 69. A farmer wants to increase the size of his grape clusters. Which plant *1/1 hormone should he consider applying? A. Ethylene B. Abscisic acid C. Gibberellin D. Brassinosteroid 70. Compare the roles of abscisic acid and gibberellins in seed *1/1 dormancy and germination. A. Both abscisic acid and gibberellins promote seed dormancy. B. Abscisic acid promotes seed dormancy, while gibberellins break seed dormancy and promote germination. C. Abscisic acid and gibberellins both break seed dormancy. D. Both abscisic acid and gibberellins inhibit seed germination. 71. A researcher wants to improve fruit set in a crop by using a *1/1 combination of plant hormones. Which synergistic hormone pair should they consider using? A. Auxin and ethylene B. Gibberellin and abscisic acid C. Cytokinin and auxin D. Ethylene and gibberellin  72. Which plant demonstrates nastic movement when it closes its leaves *0/1 in response to touch? A. Sunflower B. Venus flytrap C. Sensitive plant D. Bamboo Correct answer C. Sensitive plant 73. Which method is commonly used to develop hybrid varieties in *1/1 crops? A. Backcrossing B. Pure-line selection C. Genetic modification D. Cross-breeding 74. What is the primary advantage of sexual reproduction in plants? * 1/1 A. It produces genetically identical offspring. B. It increases genetic diversity. C. It requires only one parent plant. D. It is faster than asexual reproduction.  75. Which of the following is an agency under the Department of *1/1 Agriculture (DA) in the Philippines? A. Bureau of Plant Industry (BPI) B. Department of Health (DOH) C. Department of Education (DepEd) D. Bureau of Internal Revenue (BIR) 76. What is the male part of the corn plant called? * 1/1 A. Tassel B. Ear C. Silk D. Husk 77. What is considered the most effective desiccant for seeds? * 0/1 A. Silica gel B. Activated charcoal C. Calcium chloride D. Sodium bicarbonate Correct answer A. Silica gel  78. What type of suckers can be used for replanting in banana *0/1 cultivation? A. Water suckers B. Sword suckers C. Corm suckers D. Root suckers Correct answer B. Sword suckers 79. What is the best planting material for Glycine max? * 1/1 A. Root cuttings B. Stem cuttings C. Seeds D. Tubers 80. Which type of grafting involves inserting a scion into a slit made in *1/1 the rootstock? A. Approach grafting B. Whip and tongue grafting C. Cleft grafting D. Bud grafting 81. A horticulturist wants to graft a rose bush using a technique that *1/1 involves placing a single bud onto the rootstock. Which type of grafting should they use? A. Cleft grafting B. Approach grafting C. Bud grafting (or budding) D. Whip and tongue grafting 82. What is silage? * 1/1 A. Dried grains stored for animal feed B. Fresh forage preserved by fermentation C. Pelleted feed supplements D. Grass left to dry in the field 83. A gardener notices yellowing leaves in their plants, which is a *1/1 common sign of micronutrient deficiency. Which micronutrient deficiency is most likely causing this symptom? A. Iron (Fe) B. Nitrogen (N) C. Phosphorus (P) D. Potassium (K) 84. It is nicknamed as fleshy melon. * 1/1 a. Carica papayo b. Carica papaya c. Caricae papaya d. Carisma papaya 85. You own a large agricultural farm with an area covering 12 hectares *1/1 of land. You've decided to employ the triangular planting method. You've established a spacing parameter of 7 meters. How many plants are planted in the area? A. 5655 B. 5656 C. 5657 D. 5658 86. What part of coconut is modified to form to macapuno? * 1/1 a. Endosperm only b. Endosperm and pericarp c. Endosperm and mesocarp d. Endosperm, pericarp, mesocarp 87. What is a cash crop? * 1/1 A. A crop grown primarily for personal consumption B. A crop grown primarily for sale to return a profit C. A crop used only for animal feed D. A crop grown only in tropical climates  88. Compare the mobility of nitrogen and calcium in plant tissues and *0/1 explain how this affects deficiency symptoms. A. Both nitrogen and calcium are highly mobile; deficiencies appear in older leaves first. B. Nitrogen is mobile and deficiencies appear in older leaves, while calcium is immobile and deficiencies appear in new leaves. C. Both nitrogen and calcium are immobile; deficiencies appear in new leaves first. D. Nitrogen is immobile and deficiencies appear in new leaves, while calcium is mobile and deficiencies appear in older leaves. Correct answer B. Nitrogen is mobile and deficiencies appear in older leaves, while calcium is immobile and deficiencies appear in new leaves. 89. A seed company is preparing seeds for commercial sale to crop *1/1 producers. Which class of seed and tag color should they use? A. Breeder’s Seed (White Tag) B. Foundation Seed (Red Tag) C. Registered Seed (Green Tag) D. Certified Seed (Blue Tag) 90. What is abaca commonly known as? * 1/1 A. Manila hemp B. Jute C. Sisal D. Cotton 91. Which government agency in the Philippines is responsible for the *1/1 regulation and approval of GMOs? - A. Department of Health (DOH) - B. Department of Agriculture (DA) - C. Department of Science and Technology (DOST) - D. Department of Environment and Natural Resources (DENR) 92. What was a primary reason for the Supreme Court's decision to halt *1/1 the commercialization of Golden Rice and Bt eggplant? A. Lack of market demand B. Insufficient proof of safety C. High production costs D. Limited agricultural land 93. Which was the first genetically modified crop approved for *1/1 commercial planting in the Philippines? - A. Bt Corn - B. Golden Rice - C. Bt Eggplant - D. GM Soybean 94. Which of the following is NOT a qualitative trait of plants? * 1/1 A. Flower color B. Leaf shape C. Plant height D. Seed coat pattern 95. Why do oranges often not turn orange when grown in the Philippines? * 1/1 A. The soil quality is poor. B. The tropical climate. C. They are harvested too early. D. The trees are not watered properly.  96. Which of the following plants produce pepos? * 0/1 A. Solanum tomato B. Malus domestica C. Cucurbita maxima D. Prunus persica Correct answer C. Cucurbita maxima 97. ___________ is the outermost whorl of a flower. * 0/1 A. Corolla B. Calyx C. Stamen D. Pistil Correct answer B. Calyx  98. What is the process called by which plants lose water primarily *1/1 through the stomata? A. Photosynthesis B. Transpiration C. Respiration D. Germination 99. Which plant hormone is responsible for fruit ripening, flower wilting, *1/1 and leaf abscission? A. Auxin B. Gibberellin C. Cytokinin D. Ethylene 100. Which of the following is a short day plant? * 1/1 A. Sunflower B. Chrysanthemum C. Tomato D. Corn This content is neither created nor endorsed by Google. Report Abuse - Terms of Service - Privacy Policy Forms