कृषि, पशु र वन विज्ञान B.Sc. Ag र B.V.Sc. & A.H. प्रवेश तयारी
कृषि, पशु र वन विज्ञान – B.Sc. Ag र B.V.Sc. & A.H. प्रवेश
B.Sc. Ag & B.V.Sc. 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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'Whiptail' of cauliflower is caused by deficiency of:
सही उत्तर: घ) molybdenum
Molybdenum deficiency causes narrow, strap-like 'whiptail' leaves in cauliflower. Boron deficiency causes browning of the curd and hollow stem instead.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Purplish colouration of leaves, especially in young maize plants, is a typical symptom of deficiency of:
सही उत्तर: ख) phosphorus
Phosphorus deficiency causes accumulation of anthocyanin, giving purple leaves. Nitrogen deficiency instead causes general yellowing of older leaves.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Who is known as the 'Father of the Green Revolution' worldwide?
सही उत्तर: क) Norman Borlaug
Norman Borlaug developed high-yielding semi-dwarf wheat varieties and received the Nobel Peace Prize in 1970. M. S. Swaminathan is called the father of the Green Revolution in India.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Bt cotton is resistant to insect pests because it carries a gene from:
सही उत्तर: घ) Bacillus thuringiensis
Bt stands for Bacillus thuringiensis, whose cry gene produces an insecticidal protein toxic to bollworms. Agrobacterium is used as a vector for gene transfer, not as the source of the Bt toxin.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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'Golden rice' is genetically engineered to contain higher amounts of:
सही उत्तर: ग) beta-carotene (provitamin A)
Golden rice produces beta-carotene in the grain, which the body converts to vitamin A. Its yellow-golden colour comes from this pigment.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The edible part of potato is a modified:
सही उत्तर: ख) stem
The potato tuber is an underground modified stem; its 'eyes' are nodes bearing buds. Sweet potato, by contrast, is a modified root.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Mustard (rayo/tori) belongs to the family:
सही उत्तर: क) Brassicaceae
Mustard and rapeseed belong to Brassicaceae (Cruciferae), together with cabbage, cauliflower and radish. Malvaceae includes cotton and okra.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Potato belongs to the family:
सही उत्तर: घ) Solanaceae
Potato (Solanum tuberosum) belongs to Solanaceae along with tomato, brinjal and chilli. Fabaceae is the legume family.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Buckwheat (phapar), grown in high hills of Nepal, is best described as a:
सही उत्तर: ग) pseudo-cereal
Buckwheat (Fagopyrum esculentum) belongs to the family Polygonaceae, not Poaceae, but its grain is used like a cereal, so it is called a pseudo-cereal.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Finger millet (kodo), widely grown in the hills of Nepal, is scientifically known as:
सही उत्तर: ख) Eleusine coracana
Finger millet is Eleusine coracana. Fagopyrum esculentum is buckwheat (phapar), and Setaria italica is foxtail millet.
💬 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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