The anti-malarial drug quinine is made from a plant. The plant is
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Economic Biology
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The causal organism of black stem rust of wheat is
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Match List-I with List-II and select the correct answer:
| List-I | List-II |
| a. Tikka disease | 1. Bajra |
| b. Green ear disease | 2. Groundnut |
| c. Fire blight | 3. Lemon |
| d. Citrus canker | 4. Apple |
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Which one of the following plants is used for green manuring in India?
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Bone is used as a fertiliser because it contains the plant nutrient
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Which of the following soil contains excessive amount of organic matter?
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Bio-diesel mostly produced by
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Natural organic fertilisers are found to be better than chemical fertilisers because
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The dried flower buds are used as a spice in
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Study of field crops is called
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Pyrilla is pest of which crop?
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Which of the following is a technique of watering plants by making use of narrow tubings which deliver water directly at the base of the plant?
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Two common fungal diseases of wheat are
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The natural dye present in turmeric is known as
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The enzyme that coagulates milk into curd is
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The disease 'Blast' is related to which of the following crops?
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Which of the following is related to 'Blue Revolution'?
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Which one of the following is used as a food preservative?
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Soft drinks such as cocoa contain significant quantities of
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The urea briquettes are used as a form of nitrogenous fertiliser. This is because of which of the following reason?
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