कृषि, पशु र वन विज्ञान प्रवेश
कृषि, पशु र वन विज्ञान प्रवेश
Agriculture, Veterinary & Forestry Entrance · २,४९३ प्रश्न
२,४९३ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कृषि/वन 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 giant (rock) honey bee is scientifically known as:
सही उत्तर: ख) Apis dorsata
Apis dorsata builds large single combs in the open on cliffs and tall trees. Apis cerana is the Asian hive bee, Apis mellifera the European bee and Apis florea the dwarf bee.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is a non-climacteric fruit?
सही उत्तर: क) Grape
Non-climacteric fruits such as grapes and citrus do not show a burst of respiration and ethylene after harvest, so they do not ripen further once picked. Banana, mango and apple are climacteric fruits.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On steep hill slopes of Nepal, the most common traditional method of controlling soil erosion on cultivated land is:
सही उत्तर: घ) terracing
Terraces break the slope into level steps, slowing runoff and holding the soil. Ploughing up and down the slope increases erosion.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Nepal's land measurement system, 1 bigha equals:
सही उत्तर: ग) 20 kattha
In the Terai system, 1 bigha = 20 kattha and 1 kattha = 20 dhur. Aana is used in the hill system, where 1 ropani = 16 aana.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the plant population per hectare when a crop is planted at 60 cm x 20 cm spacing?
सही उत्तर: ख) 83,333
Each plant occupies 0.6 m x 0.2 m = 0.12 m², so 10,000 / 0.12 = about 83,333 plants per hectare. 8,333 would result from a decimal error.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What volume of water is needed to irrigate 1 hectare to a depth of 5 cm?
सही उत्तर: क) 500 m³
Volume = 10,000 m² x 0.05 m = 500 m³. A useful rule: 1 cm of water over 1 ha equals 100 m³.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which irrigation method has the highest water use efficiency?
सही उत्तर: घ) Drip irrigation
Drip irrigation delivers water slowly near the root zone, with efficiency often above 90%. Flood irrigation loses much water through runoff, evaporation and deep percolation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Puddling (wet tillage) in rice fields is done mainly to:
सही उत्तर: ग) reduce water percolation and ease transplanting
Puddling breaks down soil aggregates and forms a compact layer that reduces percolation losses. It actually decreases aeration, which is why soil must be re-tilled for the next upland crop.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Growing two or more crops at the same time in a definite row pattern is called:
सही उत्तर: ख) intercropping
Intercropping uses a fixed row arrangement, for example maize with soybean. In mixed cropping the seeds are mixed and sown without any row pattern.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is a green manure crop?
सही उत्तर: क) Dhaincha (Sesbania)
Dhaincha and sunhemp are fast-growing legumes ploughed into the soil while green, adding organic matter and nitrogen. Wheat, potato and onion are harvested crops, not green manures.
💬 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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