Improvement in Food Resources — Important Questions
Gujarat Board · Class 9 · Science
45 important questions from Improvement in Food Resources for Gujarat Board Class 9 Science, with answers. Includes multiple correct and multiple choice.
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Important Questions from Improvement in Food Resources
Which of the following are kharif crops?
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Paddy, Maize, Cotton
Kharif crops are grown during the rainy season from June to October. Paddy, maize, and cotton are kharif crops. Wheat, mustard, and gram are rabi crops grown in winter season.
Which nutrients are supplied to plants by air?
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Carbon, Oxygen
Air supplies carbon and oxygen to plants. Nitrogen and phosphorus are supplied by soil as macronutrients, while hydrogen comes from water.
Which of the following are examples of weeds?
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Xanthium (gokhroo), Parthenium (gajar ghas), Cyperus rotundus (motha)
Weeds are unwanted plants in cultivated fields. Xanthium, Parthenium, and Cyperus rotundus are common weeds that compete with crops for nutrients, space, and light.
What are the two main purposes of cattle farming?
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Milk production, Draught labour for agricultural work
Cattle farming is done for two main purposes: milk production from milch animals (dairy animals) and draught labour for agricultural work like tilling, irrigation, and carting.
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