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Plant Physiology - Section 2 Multiple Questions and Answers.
| 17. | Heterodera belongs to super family: | ||
| A. | Atylenchoidea | ||
| B. | Neotylenchoidea | ||
| C. | Tylenchoidea | ||
| D. | Heteroderoidea | ||
| 18. | Wrong information about Powdery mildew is: | ||
| A. | Subdivision = Ascomycotina | ||
| B. | Order = Erysiphales | ||
| C. | Family = Melanconiaceae | ||
| D. | All of the above | ||
| 19. | How much quantity of nematicide is used to control the nematodes in one hectare are? | ||
| A. | 10 - 15 kg | ||
| B. | 20 - 25 kg | ||
| C. | 50 - 60 kg | ||
| D. | 100 - 200 kg | ||
| 20. | In bacterial brown rot and wilt of potato the amount of _____ produced by pathogens are proportional to severity of symptoms: | ||
| A. | Gibberellins | ||
| B. | Lipids | ||
| C. | Polysncchnride | ||
| D. | Proteins | ||
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