| ⇦ | 
| ⇨ |
Bacterial leaf blight of rice is caused by a species
Options
(a) Alternaria
(b) Erwinia
(c) Xanthomonas
(d) Pseudomonas
Correct Answer:
Xanthomonas
Explanation:
Bacterial leaf blight of rice is caused by Xanthomonas oryzae a bacterium which is gram-negative, aerobic, capsulated, and motile with a single polar flagellum Primary infection is carried through the infected seeds. The entry of the pathogen occurs through wounds and stomata. The symptoms of the disease is the appearance of linear, yellow to straw coloured stripes, usually on both the edges of the leaf. As the disease progresses, the drying and twisting of the leaf tip occurs. The most destructive phase of
Related Questions: - In which of the following respect the plant hormones differ from enzymes
- First cell produced on earth is
- The breakdown of detritus into smaller particles by earthworm is a process called
- Cytokinin synthesis is maximum in
- With respect to fungal sexual cycle, choose the correct sequence of events
Topics: Diversity In Living World
(339)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In which of the following respect the plant hormones differ from enzymes
- First cell produced on earth is
- The breakdown of detritus into smaller particles by earthworm is a process called
- Cytokinin synthesis is maximum in
- With respect to fungal sexual cycle, choose the correct sequence of events
Topics: Diversity In Living World (339)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply