Multiple Choice Questions On Plant Pathology or Plant Pathology MCQ are Objective type Questions. All questions are equally important, and asked in different agricultural and other competition exams.
| Name | Multiple Choice Questions On Plant Pathology |
| Type | Objective Questions |
| Updates | Yes, updated |
| For | ICAR JRF, SRF, NET, BHU, SAU CET & All Others Agricultural Competition Exams |
Plant Pathology Multiple Choice Questions
Also read: Multiple choice questions on plant physiology
Answer Link(s) After Each 5th MCQ
Question 01. By which name is bordeaux mixture known ?
(a). Millardet-David.
(b). Millardet-Clark.
(c). Millardet-Steven.
(d). None of the above.
Question 02. In which year was the bordeaux mixture developed?
(a). 1883.
(b). 1884.
(c). 1885.
(d). 1886.
Question 03. Against which disease was the bordeaux mixture developed?
(a). Downy mildew of grapes.
(b). Powdery mildew of grapes.
(c). Birds eye spot.
(d). All of the above.
Question 04. Against which disease was the burgundy mixture developed?
(a). Diseases of tomato.
(b). Diseases of grapevine.
(c). Diseases of flowers.
(d). Disease of apple.
Question 05. Which type of pesticide is burgundy mixture?
(a). Pre-emptive.
(b). Non-preemptive.
(c). Both a and b.
(d). None of the above.
Question 06. Bordeaux mixture doesn’t contains which one of the following?
(a). Copper sulphate.
(b). Hydrated lime.
(c). Sodium carbonate.
(d). It contains all.
Question 07. Burgundy mixture doesn’t contains which one of the following?
(a). Copper sulphate.
(b). Sodium carbonate.
(c). Hydrated lime.
(d). None of the above.
Question 08. In which year was chaubattia pest discovered in..?
(a). 1991.
(b). 1992.
(c). 1993.
(d). 1994.
Question 09. Chaubatia pest contains one of the filling element:
(a). Copper sulphate.
(b). Red lead.
(c). Sodium carbonate.
(d). Lime.
Question 10. Which is a broad spectrum fungicide?
(a). Bordeaux mixture.
(b). Burgundy mixture.
(c). Mancozeb.
(d). None of the above.
Question 11. Formation of charcoal like powder is a symptom of which disease?
(a). Anthracnose.
(b). Powdery mildew.
(c). Rust.
(d). Sm_t.
Question 12. Due to which disease does the crust like lesions appear on the surface of fruit/vegetable?
(a). Blister disease.
(b). Rust.
(c). Scub.
(d). Canker.
Question 13. Why do floral parts turn into green leafy structures?
(a). Sclerotia.
(b). Exudation.
(c). Hyperplasia.
(d). Phyllody.
Question 14. What is the cause of the death of tissue or cell?
(a). Canker.
(b). Chlorosis.
(c). Die-back.
(d). Blight.
Question 15. Which one is the cause of increase in number of cell?
(a). Hypoplasia.
(b). Hyperplasia.
(c). Hypertrophy.
(d). None of the above.
Question 16. Which one is the cause of increase in size of cell?
(a). Hyperplasia.
(b). Hypotrophy.
(c). Hypoplasia.
(d). Hypertrophy.
Question 17. Burnt like appearance on leaves and other parts of the plants.
(a). Blight.
(b). Burning.
(c). Damping off.
(d). Die-back.
Question 18. Drying and dying of plant-parts from the top.
(a). Canker.
(b). Blight.
(c). Die-back.
(d). None of the above.
Question 19. Canker affects which region of a plant?
(a). Flowers/Fruits.
(b). Leaves.
(c). Roots
(d). Bark/cortex
Question 20. Symptoms of anthracnose includes which of the following:
(a). Ulcer like lesions on stem only.
(b). Ulcer like lesions on pods only.
(c). Both a and b.
(d). Ulcer like lesions on roots.
Question 21. What causes mango malformation?
(a). F. moniliformae var. Subglutinas.
(b). F. moniliformae var. moniliformae.
(c). F. moniliformae var. hortens.
(d). None of the above.
Question 22. Which one is the cause of black tip of mango?
(a). Virus.
(b). Bacteria.
(c). Fungus.
(d). Bricks kilns near mango orchards.
Question 23. Spongy tissue is a serious problem of which variety of mango?
(a). Ratna.
(b). Dusehari.
(c). Alphonso.
(d). Fajri.
Question 24. A freckle leaf spot is a disease of which fruit?
(a). Apple.
(b). Banana.
(c). Mango.
(d). Papaya.
Question 25. Sigatoka of banana is caused by which stage of mycosphaerella?
(a). S_xual stage of mycosphaerella musicola.
(b). As_xual stage of mycosphaerella musicola.
(c). Both a and b.
(d). None of the above.
For plant pathology mcq
Question 26. Which is not a disease of papaya?
(a). Damping of.
(b). Papaya Leaf Curl.
(c). Anthracnose.
(d). All are diseases of papaya.
Question 27. Which is the major cause of multiple crown in pineapple?
(a). Diseases.
(b). Insects.
(c). Genetic factors.
(d). High temperature.
Question 28. Which is the vector of citrus greening?
(a). Tocoptera citricida.
(b). Diaphorina citri.
(c). Phomopsis citri.
(d). All of the above.
Question 29. Which is transmissible through graft?
(a). Citrus greening.
(b). Exocortis.
(c). Melanosewatery.
(d). Tristeza.
Question 30. What is the cause of watery-berry (grape)?
(a). Water stress.
(b). Excessive nitrogenous fertilizers.
(c). Over bearing.
(d). All of the above.
Question 31. Tomato variety resistant to root knot nematode.
(a). Pusa divya.
(b). Hisar lalima.
(c). Hisar lalit.
(d). Punjab chhuhara.
Question 32. Which one is the cause of rust of pea?
(a). Bacteria.
(b). Virus.
(c). Fungus.
(d). MLO.
Question 33. Which causes the little leaf of brinjal?
(a). Mycoplasma.
(b). Bacteria.
(c). Virus.
(d). Fungus.
Question 34. Which is the causal organism of Leaf curl of chili?
(a). Aphids.
(b). White fly.
(c). Thrips.
(d). House fly.
Question 35. Which is true about YVM of okra?
(a). It is transmitted by white fly.
(b). Veins turn into yellow.
(c). Stunted plant growth.
(d). All of the above.
Question 36. Which pesticide is used against early blight of potato?
(a). Dithane M- 45.
(b). Dithane Z- 45.
(c). Dithane M- 78.
(d). Dithane Z- 78.
Question 37. Early blight of potato is caused by which microorganism?
(a). Alternaria solani.
(b). Phytophthora infestans.
(c). Fusarium caeulem.
(d). Pithium aphenidermatum.
Question 38. Late blight of potato is caused by which microorganism?
(a). Alternaria solani.
(b). Phytophthora infestans.
(c). Fusarium caeulem.
(d). Pithium aphenidermatum.
Question 39. Which is true about purple blotch of onion?
Triggered and caused by which combination?
(a). Moisture and bacteria.
(b). Temperature and bacteria.
(c). Heavy rainfall and fungus.
(d). Heavy rainfall or closely planted onion plants and fungus.
Question 40. In which crop is purple blotch a problem?
(a). Garlic.
(b). Onion.
(c). Both a and b.
(d). Turnip.
Question 41. In which species of orchid is rust a common problem?
(a). Cattleya.
(b). Bartholina.
(c). Aceras.
(d). Cattleyopsis.
Question 42. Damping of is a major problem of which stage of plant?
(a). Plant at nursery stage.
(b). Growing plant.
(c). Flowering plants.
(d). All of the above.
Question 43. What happens in the gladiolus tip burn?
(a). Tip of leaf dries.
(b). The tip of flower dries.
(c). Tip of form dries.
(d). All of the above.
Question 44. Which is the most dangerous disease of tuberose?
(a). Tip burn.
(b). Fusarium corn rot.
(c). Botritis soft rot.
(d). None of the above.
Question 45. What are the soft rot symptoms in a corm?
(a). Black and spongy.
(b). Blue and spongy.
(c). Brown and spongy.
(d). White and spongy.
Question 46. Is/are mainly affected by the botrytis spot and blight?
(a). Flower.
(b). Leaves.
(c). Stem.
(d). Corm.
Question 47. Which is the major disease of carnation?
(a). Flower drop.
(b). Blight.
(c). Bud rot.
(d). None of the above.
Question 48. Which one is the vector of aster yellows?
(a). Thrips.
(b). Aphids.
(c). White fly.
(d). Leaf hopper.
Question 49. By which microorganism is aster yellows?
(a). Bacteria.
(b). Virus.
(c). Fungus.
(d). MLO.
Question 50. Which is the cause of the crown gall of rose?
(a). Bacteria.
(b). Virus.
(c). Fungus.
(d). Physical injuries.
- Plant pathology multiple choice questions