6. Disease of Kharif Crops

*नोट: यह सेक्शन रिवीजन के लिए है। अपना ज्ञान परखने के लिए ऊपर दिए गए क्विज़ में भाग लें।

1. Downy Mildew of Pearl Millet is caused by which fungus?
   A) Sclerospora graminicola  |  B) Claviceps  |  C) Alternaria  |  D) None
2. Sticky substance released in Ergot of Pearl Millet:
   A) Milk  |  B) Honey dew  |  C) Gum  |  D) Water
3. Tikka disease of Groundnut is related to:
   A) Bacteria  |  B) Fungi  |  C) Virus  |  D) Microbe
4. Angular Leaf Spot of cotton is caused by:
   A) Fungus  |  B) Bacterium (Xanthomonas)  |  C) Virus  |  D) Insect
5. Citrus Canker affects which part?
   A) Leaf  |  B) Fruit  |  C) Stem  |  D) All of the above
6. Leaf Curl of tomato spreads through:
   A) White fly  |  B) Air  |  C) Water  |  D) Soil
7. Symptom of Rosette disease of Groundnut:
   A) Stunting and bunchy leaves  |  B) Drying  |  C) Yellowing  |  D) None
8. Vector for Yellow Vein Mosaic of Okra:
   A) Louse  |  B) White fly (Bemisia tabaci)  |  C) Soil  |  D) Air
9. Green Ear is another name for which Pearl Millet disease?
   A) Ergot  |  B) Downy Mildew  |  C) Smut  |  D) Blight
10. Effective fungicide for Tikka of Groundnut:
    A) Urea  |  B) Carbendazim or Mancozeb  |  C) Salt  |  D) None
11. Appearance of Citrus Canker spots is:
    A) Smooth  |  B) Rough and raised  |  C) Soft  |  D) Blue
12. Causal fungus for Early Blight of tomato:
    A) Alternaria solani  |  B) Cercospora  |  C) Claviceps  |  D) None
13. Control for Bacterial Blight of cotton:
    A) Urea  |  B) Streptocycline  |  C) Gypsum  |  D) Salt
14. Seed treatment for Pearl Millet before sowing:
    A) 2% Salt solution  |  B) 20% Salt solution  |  C) 50% solution  |  D) 1%
15. Ergotism toxic effect occurs by eating:
    A) Fresh bajra  |  B) Ergot infected bajra  |  C) Maize  |  D) Wheat
16. Black hard structures formed in Ergot of Pearl Millet:
    A) Conidia  |  B) Sclerotia  |  C) Spores  |  D) Mycelium
17. Early Leaf Spot of Groundnut fungus is:
    A) Cercospora arachidicola  |  B) Cercospora personata  |  C) Alternaria  |  D) None
18. What happens in 'Black Arm' stage of cotton?
    A) Leaves turning black  |  B) Black elongated spots on branches and breaking  |  C) Root rot  |  D) None
19. Seed treatment dose of Trichoderma culture:
    A) 1 gram  |  B) 6-10 gram/kg seed  |  C) 100 grams  |  D) 50 grams
20. Tomato variety 'Arka Rakshak' is:
    A) Single resistant  |  B) Multi-resistant  |  C) Only hybrid  |  D) None
21. Insect helping in Citrus Canker spread is:
    A) White fly  |  B) Leaf Miner  |  C) Locust  |  D) Bee
22. Late Leaf Spot of Groundnut fungus is:
    A) Cercospora personata  |  B) arachidicola  |  C) Claviceps  |  D) None
23. In Green Ear of Pearl Millet, flowers transform into:
    A) Grains  |  B) Green leafy structures  |  C) Black powder  |  D) None
24. Angular Leaf Spot stage of cotton is also called:
    A) Black Arm  |  B) Vein blight  |  C) Boll rot  |  D) All of the above
25. Cause of Tomato Leaf Curl disease is:
    A) Fungus  |  B) Virus  |  C) Bacterium  |  D) Nutrient
26. Which Bajra disease is identified by 'Honey dew' release?
    A) Downy mildew  |  B) Ergot  |  C) Smut  |  D) Blight
27. Tikka disease of Groundnut spreads most during:
    A) Warm and humid weather  |  B) Extreme cold  |  C) Bright sunlight  |  D) None
28. Insecticide used in tomato for White fly control:
    A) Imidacloprid  |  B) Urea  |  C) Salt  |  D) None
29. Yellow Vein Mosaic of Okra is what type of disease?
    A) Bacterial  |  B) Viral  |  C) Fungal  |  D) None
30. Bacterium for Citrus Canker is:
    A) Xanthomonas axonopodis  |  B) Claviceps  |  C) Alternaria  |  D) None
31. Main difference between Early and Late Leaf Spot of groundnut:
    A) Color and margins  |  B) Shape  |  C) Plant age  |  D) All of the above
32. Toxic element found in Sclerotia of Ergot disease:
    A) Nicotine  |  B) Ergotine or Ergometrine  |  C) Caffeine  |  D) None
33. Symptom of Bacterial Wilt of tomato:
    A) Yellowing leaves  |  B) Xylem blockage and sudden wilting  |  C) Gall formation  |  D) None
34. Where do spores of Downy Mildew appear on the leaf?
    A) Upper surface  |  B) White cottony fungus on lower surface  |  C) On stem  |  D) On root
35. In Bacterial Blight of cotton, 'Boll Rot' means:
    A) Leaf rot  |  B) Rotting of cotton bolls  |  C) Root rot  |  D) Stem breaking
36. Dose of Streptocycline for Citrus Canker management:
    A) 100 ppm  |  B) 500-1000 ppm  |  C) 10 ppm  |  D) 50 ppm
37. Transmission of Tomato Mosaic disease occurs via:
    A) Seed  |  B) Agricultural tools and contact  |  C) Air  |  D) Soil
38. Why is 'Summer Deep Ploughing' necessary for Pearl Millet disease management?
    A) Saving water  |  B) Destroying sclerotia and oospores in soil  |  C) Softening soil  |  D) None
39. Vector insect for Rosette disease of Groundnut:
    A) White fly  |  B) Aphid (Maize aphid)  |  C) Locust  |  D) None
40. Most sensitive Citrus species for Citrus Canker is:
    A) Kagzi Lime  |  B) Sour Lime  |  C) Sweet Lime  |  D) None
41. Where do 'Target board' spots form in tomato Early Blight?
    A) On leaves  |  B) On root  |  C) On flower  |  D) None
42. Primary infection source for Bacterial Blight of cotton:
    A) Air  |  B) Infected seed and crop residues  |  C) Pure water  |  D) Soil
43. Smut of Pearl Millet is caused by:
    A) Tolyposporium penicillariae  |  B) Claviceps  |  C) Alternaria  |  D) None
44. In Tikka disease, the yellow 'Halo' around the spot is in:
    A) Early leaf spot  |  B) Late leaf spot  |  C) Both  |  D) None
45. Most effective way to control viral diseases is:
    A) Spraying medicine  |  B) Disease-free seeds and vector control  |  C) Adding manure  |  D) Watering