Which of the following is known as 'Regur soil'?
A. Black soil
B. Laterite soil
C. Alluvial soil
D. Red soil
Answer: Option A
A. Black soil
B. Laterite soil
C. Alluvial soil
D. Red soil
Answer: Option A
The anti-malarial drug quinine is made from a plant. The plant is
A. Neem
B. Eucalyptus
C. Cinnamon
D. Cinchona
The causal organism of black stem rust of wheat is
A. Xanthomonas compestris
B. Pseudomonas solanacearum
C. Puccinia graminis tritici
D. Albugo candida
A. a-2, b-1, c-4, d-3
B. a-1, b-4, c-3, d-2
C. a-4, b-3, c-2, d-1
D. a-3, b-2, c-1, d-4
Which one of the following plants is used for green manuring in India?
A. Wheat
B. Sunhemp
C. Cotton
D. Rice
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