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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The phenomenon of ‘Crassulacean Acid Metabolism’ (CAM) photosynthesis is commonly found in plants adapted to: (a) Cool, moist environments. (b) Hot, arid environments. (c) Shaded forest floors. (d) Nutrient-rich aquatic habitats.
सही उत्तर: ग) (c) Shaded forest floors
CAM photosynthesis is a specialized adaptation to conserve water in dry conditions. Plants exhibiting this pathway open their stomata at night to take up carbon dioxide, reducing water loss during the day.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements accurately describes the function of xylem tissue in plants? (a) Transporting sugars from source to sink. (b) Facilitating gas exchange between the plant and its environment. (c) Conducting water and minerals from roots to other parts of the plant. (d) Providing structural support to the plant stem.
सही उत्तर: ग) (c) Conducting water and minerals from roots to other parts of the plant.
Xylem is specifically designed for the transport of water and mineral salts upwards through the plant. The other options describe functions of phloem (sugar transport), stomata (gas exchange), and collenchyma/sclerenchyma respectively.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of pollination where pollen grains are carried by wind to different flowers is called: (a) Geotropism (b) Pollination (c) Anemophily (d) Hydrophily
सही उत्तर: ग) (c) Anemophily
Anemophily specifically refers to pollination by wind. The other options represent different pollination mechanisms (geotropism – growth in response to gravity, hydrophily - water pollination, and pollination is the general term for transferring pollen).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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According to Kirchhoff’s junction rule (current law), what is conserved?
सही उत्तर: घ) Conservation of mass
Kirchhoff’s junction rule states that the algebraic sum of currents entering a point (junction) must be equal to zero. This principle fundamentally embodies the conservation of electric charge. The other options relate to mechanical or thermodynamic principles, respectively.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The enzyme ptyalin (salivary amylase) acts primarily on which substance?
सही उत्तर: ग) Carbohydrates
Ptyalin breaks down starch into smaller sugars. Proteins, lipids, and nucleic acids are broken down by different enzymes. This option reflects the enzyme’s primary function.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If A = 2, B = 3, C = 4, then what is D?
सही उत्तर: घ) 8
The question follows a simple pattern where each letter is assigned a consecutive integer. A=2, B=3, C=4, and therefore D must be equal to 5.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A man is standing facing North. He turns 90 degrees to his right and walks 10 meters. Then he turns 90 degrees to his right again and walks 5 meters. Finally, he turns 90 degrees to his right and walks 8 meters. How far is he from his starting point?
सही उत्तर: घ) 18 meters
The man starts facing North. Turning 90 degrees right makes him face East (10 meters). Turning another 90 degrees right makes him face South (5 meters), and turning a final 90 degrees right makes him face West (8 meters). To find the distance from his starting point, we can use the Pythagorean theorem. The net displacement is 10 (East) - 5 (South) - 8 (West) = -3 meters in the South direction. This corresponds to a straight line distance of sqrt(10^2 + 5^2 + 8^2) which isn't correct. We can calculate the x and y displacements separately, where he moved 10 east then 8 west, so his net horizontal displacement is 2 meters. He then moved 5 south. So the distance from his original point is sqrt(2^2 + 5^2) = sqrt(4+25) = sqrt(29), which isn’t an option. This problem has been simplified to a right triangle where x=8, y=10 and z=5 so (8^2 + 5^2) - 6^2 gives you the hypotenuse that is closest to 3
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A group of students are seated in a circle. Each student shakes hands with every other student exactly once. If there are 8 students, how many handshakes occurred?
सही उत्तर: ख) 56
Each handshake involves two people. With 8 students, the number of ways to choose 2 is given by the combination formula (nCr) = n! / (r!(n-r)!), where n=8 and r=2. Therefore, the number of handshakes is 8C2 = 8! / (2!6!) = (8*7)/2 = 28. The most tempting answer, 36, is incorrect as it's based on a simpler misunderstanding of the problem.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The molar mass of hydrochloric acid (HCl) is approximately 36.5 g/mol. If 10 grams of HCl solution contains 2.94 grams of H⁺ ions, what is the percentage by mass of HCl in the solution? a) 29.4% b) 36.5% c) 70.8% d) 100%
सही उत्तर: क) a) 29.4%
Option (a) is correct. First, calculate the percentage by mass of HCl: (2.94 g / 10 g) * 100% = 29.4%. The concentration of HCl in the solution is calculated from its molar mass and the amount of H⁺ ions present. Options (b), (c), and (d) are incorrect calculations.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements accurately describes the concept of Le Chatelier's principle? a) A system at equilibrium will shift to relieve stress applied to it. b) The equilibrium constant for a reaction is always equal to 1. c) Increasing temperature always favors the formation of products in an exothermic reaction. d) Catalysts increase the magnitude of the equilibrium constant.
सही उत्तर: क) a) A system at equilibrium will shift to relieve stress applied to it.
Option (a) is correct. Le Chatelier's principle states that if a stress (like pressure change, addition of reactant or product, or changes in temperature) is applied to a system at equilibrium, the system will shift in a direction that relieves the stress. Options (b), (c) and (d) are inaccurate representations of this principle.
💬 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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