कृषि, पशु र वन विज्ञान B.Sc. Forestry प्रवेश तयारी
कृषि, पशु र वन विज्ञान – B.Sc. Forestry प्रवेश
B.Sc. Forestry Entrance · Agriculture, Veterinary & Forestry Entrance
२,४९३ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कृषि, पशु र वन विज्ञान प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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The scientific name of maize is:
सही उत्तर: ख) Zea mays
Maize (makai) is Zea mays of the grass family Poaceae.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Terracing on hill slopes is mainly done to:
सही उत्तर: ग) reduce soil erosion and runoff
Terraces break the slope, slow down runoff and conserve soil and water.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Azolla, a water fern used as a biofertilizer in rice fields, fixes nitrogen through its association with:
सही उत्तर: घ) Anabaena azollae
The cyanobacterium Anabaena azollae lives in the leaf cavities of Azolla and fixes atmospheric nitrogen.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which crop is commonly grown and ploughed into the soil as green manure?
सही उत्तर: घ) Dhaincha (Sesbania)
Dhaincha is a fast-growing legume that adds organic matter and nitrogen when incorporated as green manure.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The branch of soil science that studies soil as a medium for plant growth is:
सही उत्तर: घ) Edaphology
Edaphology deals with soil in relation to plants, whereas pedology studies soil formation and classification.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which soil type is generally considered best for most crops?
सही उत्तर: घ) Loam
Loam has a balanced mix of sand, silt and clay, giving good drainage, aeration and water holding.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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'Whiptail' of cauliflower is a disorder caused by the deficiency of:
सही उत्तर: क) Molybdenum
Whiptail, in which leaf blades become narrow and strap-like, is caused by molybdenum deficiency.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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'Khaira' disease of rice is caused by the deficiency of:
सही उत्तर: ख) Zinc
Khaira disease, with rusty brown patches on rice leaves, is due to zinc deficiency and is corrected with zinc sulphate.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is a secondary plant nutrient?
सही उत्तर: ग) Sulphur
Calcium, magnesium and sulphur are secondary nutrients; N, P, K are primary and Zn, B are micronutrients.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a fertilizer grade such as 20:20:0, the three numbers express the percentages of:
सही उत्तर: ख) N, P₂O₅ and K₂O
Fertilizer grade is written as % N : % P₂O₅ : % K₂O, in that fixed order.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
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