PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
Observe the Figure and answer the questions that follows:
 
YCIND_231103_5708_CBSE _8th_13.png
 
(a) Write the name of the disease.
(b) Name the causative agent of this disease?
(c) How does the disease spread from one plant to another?
 
(d) Name any two plant diseases and the microbes that cause them.
Answer variants:
Bhindi yellow vein mosaic virus
Red vein mosaic
Common rust Xanthomonas spp (bacteria) & Citrus canker Puccinia graminis (fungus)
Yellow vein mosaic
Bhindi red vein mosaic virus
Via the insects sitting on leaf of diseased plant and moving to others
Citrus canker Xanthomonas spp (bacteria) & Common rust Puccinia graminis (fungus)
Via the insects sitting on anther of diseased plant and moving to others