Which of the following pairs of plant disease - microorganism is correct?
1. Citrus canker - Virus
2. Rust of wheat - Fungi
A. Only 2
B. Neither 1 nor 2
C. Only 1
D. Both 1 and 2
Answer: Option A
Related Questions on Plant Anatomy and Physiology
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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