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Chapter 11 CULTIVATION OF ROOT AND VEGETABLE MCQs

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1. A rounded underground storage organ present in some plants, notably those of the lily family, consisting of a short stem surrounded by fleshy scale leaves or leaf bases, lying dormant over winter, e.g., onion.





2. A continuously growing horizontal underground stem which puts out lateral shoots and adventitious roots at intervals, e.g., ginger.





3. A rounded underground storage organ present in consisting of a swollen stem base covered with scale leaves. It is not true bulb, e.g., Taro and Chinese water chestnut.





4. A much thickened underground part of a stem or rhizome, serving as a food reserve and bearing buds from which new plants arise, e.g., in the potato.





5. Soil with a pH range of 5.2-6.4 is considered ideal for potato growth.





6. Nominal temperature for the potato growth is 20°C to 25°C in autumn growing season.





7. Potato crop is grown from 1st January to mid of February and harvested at the end of April to May is called_____. This season is not suitable for potato seedling because of high rate of insect attack.





8. Seasonal classification of vegetable crops are________ and _______.





9. Onions are usually ______ in the field at 10 cm plant-to-plant spacing and 25 cm apart in rows on flat beds.





10. Row to row spacing of 75 cm and plant to plant spacing of 45 cm are used for ________.





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