Introduction: This set deals with crop protection management, weed control, pest management, cropping systems (mixed cropping, intercropping, crop rotation), animal products and their nutritional value, and watershed management. These questions explore practical aspects of protecting crops and improving agricultural productivity.
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📘 SCIENCE
BIOLOGY | Food Resources-D
📝 Questions: 50
⏱️ Timer: 20 min
Q1. Crop rotation depends mainly on what factor?
Q2. Excessive use of pesticides can cause what problem?
Q3. Crop rotation means growing crops in what manner?
Q4. In areas close to rivers, irrigation water is obtained how?
Q5. Mixed cropping mainly helps in reducing what?
Q6. Use of resistant varieties helps in controlling what?
Q7. Crop rotation results in what type of harvests?
Q8. Which is a preventive method of weed control?
Q9. Inter-cropping ensures maximum utilisation of what?
Q10. Inter-cropping helps prevent spread of what?
Q11. Proper crop rotation allows how many crops in a year?
Q12. In inter-cropping, rows of crops are arranged how?
Q13. Which animal product has the highest protein content?
Q14. Weeds compete with crops for what resources?
Q15. Plant diseases are caused by what organisms?
Q16. Weeds reduce crop growth mainly by doing what?
Q17. Check-dams help in increasing which water source?
Q18. Which nutrient is present in very small amounts in milk?
Q19. What decides the choice of next crop after harvest?
Q20. Weeds are defined as what?
Q21. Tanks are mainly used for what purpose?
Q22. Insect pests also damage crops by boring into what?
Q23. Removal of weeds is essential at which stage?
Q24. Which animal product contains the highest fat percentage?
Q25. Which of the following is an example of inter-cropping?
Q26. Which condition gives the most benefits to farmers?
Q27. Insect pests attack plants in how many main ways?
Q28. Fish is a good source of which vitamins?
Q29. Summer ploughing helps to destroy what?
Q30. One major benefit of check-dams is reduction of what?
Q31. Mixed cropping means growing how many crops together?
Q32. One way insect pests damage crops is by doing what?
Q33. Inter-cropping and crop rotation help mainly in controlling what?
Q34. Which is a commonly used method for controlling weeds and pests?
Q35. Which of the following is an example of a weed?
Q36. Pesticides include which chemicals?
Q37. Inter-cropping helps both crops to give what?
Q38. Pathogens can spread through which media?
Q39. Which of the following is an example of mixed cropping?
Q40. Which of the following is a plant pathogen?
Q41. Pesticides are applied how?
Q42. Tanks intercept run-off from which areas?
Q43. Rainwater harvesting helps to increase what?
Q44. Mixed cropping provides insurance against what?
Q45. Mechanical weed control involves what?
Q46. Mixed cropping is done on what area?
Q47. Inter-cropping involves growing crops in what manner?
Q48. Crops selected for inter-cropping should have different what?
Q49. Watershed management mainly involves building what structures?
Q50. Another way insect pests damage plants is by what action?
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