चिकित्सा शिक्षा आयोग (CEE) एमबीबीएस प्रवेश परीक्षा तयारी
चिकित्सा शिक्षा आयोग (CEE) – एमबीबीएस प्रवेश परीक्षा
CEE – MBBS 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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In a certain code, 'CAT' is written as 'GDY'. How is ‘EAT’ written in that code?
सही उत्तर: क) HFR
The pattern involves shifting each letter forward by a consistent amount. C+2=G, A+2=D, T+2 = Y. Applying this to 'EAT', E+2=G, A+2=D, T+2 = Y, thus 'EAT' is written as 'GDY'. The correct option is GFT.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Pointing to a photograph of a man, Priya says, 'His father is my father’s brother.' How is Priya related to the man in the photograph?
सही उत्तर: ख) Daughter
Priya's father's brother is the same as her uncle. Therefore, she is the daughter of that man (the man in the photo). Hence, 'Daughter' is correct.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements regarding the innate immune system is most accurate?\n(a) It develops throughout life and adapts to specific pathogens.\n(b) It relies solely on acquired antibodies for defense.\n(c) It provides a rapid, non-specific response against pathogens.\n(d) It requires prior exposure to antigens to initiate an effective reaction.
सही उत्तर: ग) (c) It provides a rapid, non-specific response against pathogens.
Option (c) correctly describes the innate immune system – it’s characterized by its immediate and general defense mechanism without needing previous encounters with pathogens. Options (a) and (d) incorrectly describe adaptive immunity, while (b) is inaccurate as the innate system operates independently of antibodies.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A simple pendulum has a length of 1 meter. If its length is increased to 2 meters, its time period will become:
सही उत्तर: ख) Double the original value
The time period (T) of a simple pendulum is given by T = 2π√(L/g), where L is the length and g is the acceleration due to gravity. If L is doubled, then T becomes 2π√((2L)/g) = 2π√(L/g) * √2, which is square root of 2 times the original value. The most likely error occurred in the question originally.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The velocity of a satellite orbiting Earth is given by v = √(GM/r), where G is the gravitational constant, M is the mass of Earth and r is the orbital radius. If the orbital radius is doubled, what happens to the satellite’s velocity?
सही उत्तर: घ) It quadruples
The velocity is proportional to the square root of the distance from Earth's center (r). If r doubles, the new velocity will be √(G * M / (2r)) = √(G * M / r) / √2. Thus, the velocity decreases by a factor of √2 which approximately equals 1.414. The closest answer given is ‘It decreases by a factor of 2’.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A body of mass ‘m’ is moving with velocity ‘v’. It collides elastically with another body of mass ‘3m’ which is initially at rest. After the collision, both bodies stick together. What will be the velocity of the combined mass after the collision?
सही उत्तर: ख) 5 m/s
The problem describes an elastic collision between two masses. Applying conservation of momentum, we have: (m+3m)v’ = mv + 3mv’, where v’ is the velocity after the collision. Simplifying gives: 4mv’ = 4mv’, so v’=v. Thus, the combined mass moves at the same speed as the initial mass ‘v’. The most tempting incorrect option, 0 m/s, arises from assuming no momentum transfer during the perfectly elastic collision.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A solution is prepared by dissolving 1 mole of anhydrous CuSO₄ in water. What is the concentration of H₂SO₄ needed to prepare a similar solution?
सही उत्तर: घ) 4 M
Since the final solution has 1 mole of CuSO₄, it will have an equivalent number of ions – 1 mole of Cu²⁺ and 1 mole of SO₄²⁻. Therefore, the concentration of H₂SO₄ required is 2M to provide the necessary SO₄²⁻ ions. Options 0.5M, 1M and 4M are not correct.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Heating sodium acetate with soda lime (NaOH + CaO) produces: A. Sodium carbonate, water and carbon dioxide B. Calcium hydroxide, water and carbon dioxide C. Sodium chloride, water and calcium oxide D. Carbonate of sodium, calcium oxide and water
सही उत्तर: क) A. Sodium carbonate, water and carbon dioxide
Soda lime (NaOH + CaO) is a strong base that reacts with sodium acetate to form sodium carbonate, which decomposes upon heating to give carbon dioxide and water. Options B, C and D describe different reactions that do not occur.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A plant species exhibits a phenomenon where the development of lateral buds is suppressed, leading to a more upright growth habit. Which physiological mechanism primarily causes this?
सही उत्तर: क) A) Auxin dominance – high auxin concentrations inhibit bud development.
Option A is correct; Auxin plays a key role in apical dominance, suppressing lateral bud growth. The other options describe different hormone functions related to plant development or senescence.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following cellular structures plays a crucial role in maintaining the turgor pressure necessary for plant support?
सही उत्तर: ग) C) Collenchyma cells
Option C is correct because collenchyma cells have thickened cell walls that provide flexible support, maintaining turgor pressure. Option A relates to water transport, while B and D are involved in translocation or protection respectively.
💬 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।