Which of the following organisms, in 1943, caused the 'Bengal famine' in which several lacs of people died of starvation?
A. Helminthosporium oryza
B. Puccinia gramini tritici
C. Xanthomonas citri
D. Protomyces macrosprus
Answer: Option A
A. Helminthosporium oryza
B. Puccinia gramini tritici
C. Xanthomonas citri
D. Protomyces macrosprus
Answer: Option A
A. Cinnamomum - Amoora association
B. Bischofia - Dillenia association
C. Shorea - Lagerstroemia association
D. Mesua - Michelia association
Which of the following react with haemoglobin, forming methemoglobin which will not take up oxygen?
A. Nitrates
B. Nitrites
C. Carbides
D. Oxides
Internally, hydathode shows a group of loosely arranged parenchymatous cells called as
A. Epiderm
B. Epithelium
C. Ampithecium
D. Epithem
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