File Details:

Questions:

1. Urea is an organic fertilizer.
2. Calcium ammonium nitrate (CAN) is also known as Kisan Khad.
3. 2,4-D controls grassy weeds.
4. C, H, and O provide basic structure to plants.
5. Crop rotation helps in building soil fertility.
6. Paddy crop has the highest water use efficiency.
7. Border strip method is the most common among surface methods of irrigation.
8. Certified seed has a golden yellow color tag.
9. Secondary tillage is mainly done for preparation of a good seed bed.
10. Glyphosate is a selective herbicide.
11. Define mineral nutrition.
12. Describe the different methods of sowing.
13. What do you mean by crop water requirement?
14. Discuss the objectives of tillage in crop production.
15. Differentiate between manure and fertilizers.
16. Differentiate between seed and grain.
17. Describe criteria of essentiality of nutrients.
18. Describe the different methods of fertilizer application.
19. Classify herbicide on the basis of time of application with suitable examples.
20. Define bio-herbicide with suitable examples.
21. What do you mean by crop-weed-competition? Describe the factors for which weeds compete with crops.
22. Define crop rotation. Discuss the various principles of crop rotation for sustainable crop production.
23. Define irrigation. Describe the different methods of irrigation with their merits and demerits.
24. Define weeds. Elaborate the different methods of weed control.