कृषि, पशु र वन विज्ञान प्रवेश

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

91. The decomposition of calcium carbonate (CaCO₃) produces carbon dioxide gas. What volume of CO₂ gas will be produced upon the complete decomposition of 10g of CaCO₃ at standard temperature and pressure?

    क2.24 L ख4.48 L ग8.8 L घ16.96 L
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    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

92. The molar mass of sulfuric acid (H₂SO₄) is approximately 98 g/mol. What volume of dilute sulfuric acid would be required to completely neutralize 5g of sodium carbonate (Na₂CO₃)?

    क100 mL ख200 mL ग400 mL घ500 mL
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    छलफल / प्रश्न उत्तरमा गल्ती छ

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93. Choose the correct sentence with the proper use of articles (a/an/the): ‘I saw _____ interesting bird in the garden.’

    कA खAn गThe घNo article
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    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

94. Select the most appropriate synonym for the word 'fertile' in the context of agriculture?

    कBarren खInfertile गRocky घProductive
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95. Please correct the following sentence: ‘He is going to the store to buy some bread.’

    कHe goes to the store to buy some bread. खHe will go to the store to buy some bread. गHe has gone to the store to buy some bread. घHe is going to buy some bread at the store.
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    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

96. The process of nitrogen fixation converts atmospheric nitrogen into:

    कCarbon dioxide. खWater vapor. गAmmonium ions (NH₄⁺). घOrganic compounds.
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97. The process of hydrolysis involves:

    कThe breaking down of a molecule by adding water. खThe joining together of molecules to form larger structures. गThe conversion of potential energy into kinetic energy. घThe release of heat during chemical reactions.
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98. What is the primary purpose of adding manganese to a steel alloy?

    कTo increase its ductility and malleability. खTo enhance its magnetic properties, primarily for transformer cores. गTo improve its tensile strength and resistance to corrosion. घTo reduce its density and weight.
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99. What is the significance of ‘Maan’ (Zea mays var. leucoplastica) cultivation in the hills of Nepal?

    कA) It's a primary cash crop exported internationally for its high protein content. खB) It's a drought-resistant variety used as a supplementary food source and to prevent soil erosion. गC) It’s primarily grown as an ornamental plant for decorative landscaping. घD) It's a genetically modified strain designed for increased yield in intensive farming systems.
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100. The ‘Khus’ (Cymbopogon winterianus) grass is traditionally cultivated extensively in Nepal for what primary purpose?

     कA) Production of high-grade cotton fibres. खB) Extraction of essential oils utilized in perfumery and aromatherapy. गC) As a primary fodder crop for livestock during winter months. घD) Large scale cultivation as a cover crop to prevent soil erosion.
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     टिप्पणी जाँचपछि मात्र देखिन्छ।