The Role of Science in Agriculture (GM Crops, Fertilizers) MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. : What does GM in GM crops stand for? (A) Genetically Modified (B) Generally Modified (C) Genetically Manufactured (D) Growth Modified 2. : Which scientist is known as the father of genetic engineering in agriculture? (A) Norman Borlaug (B) Gregor Mendel (C) Herbert Boyer (D) James Watson 3. : What is the main purpose of genetically modified crops? (A) To increase yield and resistance to pests (B) To reduce soil fertility (C) To make crops taste bitter (D) To increase water requirement 4. : Which of the following is a common trait engineered into GM crops? (A) Herbicide resistance (B) Reduced size (C) Increased water needs (D) Lower nutritional value 5. : What are fertilizers primarily used for in agriculture? (A) To provide essential nutrients to plants (B) To increase pest infestation (C) To reduce soil quality (D) To change crop color 6. : Which nutrient is commonly found in nitrogen fertilizers? (A) Nitrogen (B) Phosphorus (C) Potassium (D) Calcium 7. : Which fertilizer is known as NPK fertilizer? (A) Nitrogen, Phosphorus, Potassium (B) Nitrogen, Potassium, Calcium (C) Nitrogen, Phosphorus, Carbon (D) Nitrogen, Potassium, Chlorine 8. : What is the process called when bacteria convert atmospheric nitrogen into a usable form for plants? (A) Photosynthesis (B) Nitrogen fixation (C) Respiration (D) Fermentation 9. : Which crop was the first genetically modified crop approved for commercial use? (A) Tomato (B) Corn (C) Soybean (D) Cotton 10. : What is the main environmental concern related to excessive fertilizer use? (A) Soil acidification and water pollution (B) Increased soil fertility (C) Higher crop yield (D) Pest resistance 11. : Which GM crop is engineered for insect resistance? (A) Bt cotton (B) Golden rice (C) GM wheat (D) GM barley 12. : What does “Golden Rice” aim to address? (A) Vitamin A deficiency (B) Iron deficiency (C) Protein deficiency (D) Calcium deficiency 13. : Which macronutrient in fertilizers helps with root development and flowering? (A) Phosphorus (B) Nitrogen (C) Potassium (D) Magnesium 14. : What is a major benefit of GM crops? (A) Reduced pesticide use (B) Increased need for water (C) Decreased shelf life (D) More susceptibility to disease 15. : Which fertilizer type releases nutrients slowly over time? (A) Slow-release fertilizer (B) Quick-release fertilizer (C) Liquid fertilizer (D) Organic fertilizer 16. : Which crop is commonly engineered to tolerate herbicides? (A) Soybean (B) Wheat (C) Barley (D) Rice 17. : What is the term for crops developed using modern biotechnology techniques? (A) GM crops (B) Organic crops (C) Traditional crops (D) Hybrid crops 18. : Which is a natural fertilizer? (A) Compost (B) Urea (C) Ammonium nitrate (D) Superphosphate 19. : What is the role of potassium in plants? (A) Helps in water regulation and enzyme activation (B) Increases photosynthesis only (C) Builds plant cell walls (D) Converts nitrogen into protein 20. : What is a potential risk of GM crops? (A) Gene transfer to wild relatives (B) Increased yield only (C) No environmental impact (D) Reduced growth rate 21. : What is the main reason for using fertilizers in agriculture? (A) To replenish soil nutrients (B) To control weeds (C) To increase pests (D) To reduce soil moisture 22. : Which of the following is an example of a micronutrient required by plants? (A) Zinc (B) Nitrogen (C) Phosphorus (D) Potassium 23. : What is the process of crossing plants to produce offspring with desired traits called? (A) Hybridization (B) Fermentation (C) Pollination (D) Cloning 24. : Which scientist won the Nobel Prize for work related to wheat breeding? (A) Norman Borlaug (B) Gregor Mendel (C) Louis Pasteur (D) Alexander Fleming 25. : What is biofertilizer? (A) Fertilizer made from living microorganisms (B) Chemical fertilizer (C) Synthetic pesticide (D) Herbicide 26. : What does “transgenic” mean in GM crops? (A) Containing genes from different species (B) Self-pollinated crops (C) Naturally grown crops (D) Hybrid crops 27. : Which fertilizer provides nitrogen in the form of ammonium and nitrate ions? (A) Urea (B) Potassium chloride (C) Superphosphate (D) Zinc sulfate 28. : What is the impact of excess nitrogen fertilizer on the environment? (A) Water pollution and eutrophication (B) Soil enrichment only (C) Reduced plant growth (D) Increased pest resistance 29. : Which plant hormone is commonly used in GM crops for growth regulation? (A) Auxin (B) Insulin (C) Estrogen (D) Testosterone 30. : What is the main goal of precision agriculture? (A) Optimize resource use and increase crop efficiency (B) Increase fertilizer application everywhere (C) Eliminate the use of technology in farming (D) Increase water wastage 31. : Which of the following crops is genetically modified to produce vitamin-enriched food? (A) Golden rice (B) Maize (C) Wheat (D) Barley 32. : Which fertilizer is commonly used to supply phosphorus to crops? (A) Superphosphate (B) Urea (C) Potassium sulfate (D) Calcium carbonate 33. : Which soil nutrient deficiency causes yellowing of leaves? (A) Nitrogen deficiency (B) Phosphorus deficiency (C) Potassium deficiency (D) Calcium deficiency 34. : What is a major advantage of biofertilizers over chemical fertilizers? (A) Environmentally friendly and sustainable (B) Expensive and non-renewable (C) Cause soil degradation (D) Harm beneficial microbes 35. : Which is a widely used nitrogen fertilizer? (A) Ammonium nitrate (B) Potassium chloride (C) Superphosphate (D) Zinc sulfate 36. : Which of the following is NOT a characteristic of GM crops? (A) Resistance to pests and herbicides (B) Enhanced nutritional content (C) Always organic (D) Tolerance to environmental stress 37. : What is crop rotation? (A) Growing different crops sequentially on the same land (B) Growing only one crop continuously (C) Using only GM crops (D) Applying fertilizers repeatedly 38. : Which fertilizer is primarily used to provide potassium? (A) Potassium chloride (B) Urea (C) Superphosphate (D) Calcium nitrate 39. : What is the role of phosphorus in plants? (A) Energy transfer and root development (B) Photosynthesis (C) Water transport (D) Seed dispersal 40. : Which of the following is a benefit of using GM crops in agriculture? (A) Higher yields and reduced pesticide use (B) Increased water consumption (C) Lower nutritional value (D) Increased susceptibility to pests 41. : Which technology is used to create GM crops? (A) Recombinant DNA technology (B) Traditional breeding only (C) Natural selection (D) Grafting 42. : What is the major cause of soil nutrient depletion? (A) Continuous cropping without fertilizer (B) Use of GM crops (C) Crop rotation (D) Use of biofertilizers 43. : Which is a negative environmental impact of excessive fertilizer use? (A) Nitrate leaching into groundwater (B) Increased soil fertility (C) Reduced greenhouse gases (D) Improved soil structure 44. : What is the main component of organic fertilizers? (A) Decomposed plant or animal matter (B) Synthetic chemicals (C) Mineral salts (D) Plastic compounds 45. : Which country was the first to commercially grow GM crops? (A) United States (B) India (C) China (D) Brazil 46. : What is the function of nitrogen in plants? (A) Protein synthesis and growth (B) Water absorption (C) Seed production only (D) Flower color 47. : Which crop has been engineered for drought tolerance? (A) Maize (B) Rice (C) Wheat (D) Potato 48. : What does the term “biotechnology” in agriculture refer to? (A) Use of living organisms or their products to improve crops (B) Use of chemical pesticides (C) Manual labor on farms (D) Use of machines only 49. : What is the main concern related to herbicide-resistant GM crops? (A) Development of herbicide-resistant weeds (B) Increased crop yields (C) Reduced pesticide use (D) Improved soil quality 50. : What is the recommended practice to reduce fertilizer runoff? (A) Precision application and proper timing (B) Over-application of fertilizer (C) Ignoring soil tests (D) Applying fertilizers before heavy rain