चिकित्सा शिक्षा आयोग (CEE) बीएस्सी नर्सिङ र बीएनएस प्रवेश तयारी
चिकित्सा शिक्षा आयोग (CEE) – बीएस्सी नर्सिङ र बीएनएस प्रवेश
B.Sc. Nursing & BNS Entrance · Medical Education Commission – CEE
२,०३९ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MBBS/BDS/Nursing 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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Which of the following salts will produce the largest volume of gas upon dissolution in water at standard conditions? (a) NaCl (b) KCl (c) Na₂CO₃ (d) KBr
सही उत्तर: ग) (c) Na₂CO₃
The volume of gas produced upon dissolution of a salt depends on the number of moles of hydrogen or oxygen gas evolved. Sodium carbonate (Na₂CO₃) decomposes to produce one mole of CO₂ for every mole of Na₂CO₃ dissolved, leading to the largest volume of gas compared to the other salts which produce less gas.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The boiling point elevation constant, Kb, is related to the change in vapor pressure of a solution. Which of the following correctly states this relationship? (a) Kb = ΔT/m (b) Kb = -ΔT/m (c) Kb = ΔT * m (d) Kb is independent of temperature
सही उत्तर: क) (a) Kb = ΔT/m
Kb represents the molar mass (m) times the change in temperature (ΔT). The equation Kb = ΔT/m directly reflects this relationship. Options (b), (c), and (d) present incorrect relationships or a misunderstanding of the concept.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements regarding the solubility product constant (Ksp) for AgCl is correct? (a) Ksp = [Ag⁺][Cl⁻] (b) Ksp = 1/[Ag⁺][Cl⁻] (c) Ksp = [AgCl] (d) Ksp is independent of concentration
सही उत्तर: घ) (d) Ksp is independent of concentration
The solubility product constant (Ksp) expresses the equilibrium concentrations of a sparingly soluble ionic compound. For AgCl, it’s defined as Ksp = [Ag⁺][Cl⁻]. Option (a) accurately represents this relationship. Options (b), (c), and (d) are incorrect interpretations or misapplications of the concept.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The reaction of ethanol with excess HI produces which of the following major products? (a) Ethyl iodide (b) Ethanoic acid (c) Vinyl iodine (d) Ethyl hydrogen iodide
सही उत्तर: क) (a) Ethyl iodide
The reaction of ethanol with excess HI is a standard example of a substitution reaction where the -OH group is replaced by an -I group. Option (a), ethyl iodide, is the major product formed due to this substitution. Options (b), (c), and (d) represent alternative reactions that would occur under different conditions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following correctly identifies the primary function of xylem tissue in vascular plants?
सही उत्तर: ग) Providing structural support for the plant body.
Xylem is dedicated to the transport of water and dissolved mineral salts upward through the plant's stem and branches. This is achieved through a process called transpiration pull. The other options represent functions of phloem or other tissue types.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The symbiotic relationship between nitrogen-fixing bacteria and leguminous plants is an example of:
सही उत्तर: घ) Competition
Mutualism describes a close ecological interaction between two species where both benefit. In this case, the bacteria receive carbohydrates from the plant while simultaneously converting atmospheric nitrogen into ammonia, which the plant can use. Parasitism or competition would not accurately describe this arrangement.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following cellular structures are primarily responsible for maintaining cell volume during osmotic changes?
सही उत्तर: ग) Contractile Vacuoles
Contractile vacuoles are specialized organelles found in certain freshwater protists and some invertebrates. These vacuoles actively pump out excess water to maintain proper cell volume and prevent lysis due to osmosis. Ribosomes, Golgi apparatus, and lysosomes have other primary functions within the cell.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of metamorphosis observed in amphibians like tadpoles is a form of:
सही उत्तर: घ) Incomplete Metamorphosis
Metamorphosis in amphibians, such as from a tadpole to an adult frog, represents ‘complete metamorphosis’ - a drastic change in body form and physiology. This involves several distinct developmental stages unlike asexual reproduction or regeneration. Asexual reproduction is not applicable here.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which number should replace ‘?’ in this series: 2, 3, 5, 9, 17, ?
सही उत्तर: ख) 29
The pattern is that each number is the sum of the two preceding numbers. 2+3=5, 3+5 = 8 (wrong), 5 + x= ? This pattern does not clearly apply so let’s consider that the number can be derived from squares: 1^2+1=2, 2^2+1=5, 3^2+1=10 (wrong). However, there is a more plausible option - doubling one of the previous and adding it to another. For example, if we take 5 & 9: 5 * 3 = 15, then subtract 2 giving us 13 which is also close.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A rectangular garden is 12 meters long and 8 meters wide. A path of 1 meter width is to be built around it. What is the area of the path?
सही उत्तर: ख) 56 square meters
The garden with the path forms a larger rectangle. The length becomes (12 + 2*1) = 14 meters and the width becomes (8+2*1)= 10 meters. The area of the larger rectangle is 14 * 10 = 140 square meters. The area of the garden is 12 * 8 = 96 square meters. Therefore, the area of the path is 140 - 96 = 44 square meters. This option doesn't match any answers given.
💬 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।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।