चिकित्सा शिक्षा आयोग (CEE) पारामेडिकल (B.Pharm, BPH, BMLT, BMIT, B.Optom) तयारी
चिकित्सा शिक्षा आयोग (CEE) – पारामेडिकल (B.Pharm, BPH, BMLT, BMIT, B.Optom)
Paramedical Bachelor 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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If 'RED' is coded as 'GDK', then how would 'BLUE' be coded?
सही उत्तर: क) JFN
The coding follows a simple alphabetical shift. R -> G (subtract 13), E -> D (subtract 1), D -> K (add 7). Applying this pattern to BLUE: B->J(subtract 13), L->F(subtract 1), U->N(add 7), E->X(subtract 13). However, as we are using single-letter substitution, it's closer to GDK being a reversal of the letters. The correct answer is JFN.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A man is standing facing North. He turns 90 degrees clockwise. Then he turns another 90 degrees clockwise. Which direction is he now facing?
सही उत्तर: ग) South
The man initially faces North. Turning 90 degrees clockwise makes him face East. Another 90 degree turn clockwise from East makes him face South. Therefore, the correct answer is South.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A pipe is open at one end. The speed of sound in the air inside the pipe is 340 m/s. What is the fundamental frequency produced by vibration at the open end? (Assume the length of the pipe is 1 meter)
सही उत्तर: क) 170 Hz
For a pipe open at one end, the fundamental frequency (f₁) is given by f₁ = v / (4L), where v is the speed of sound and L is the length of the pipe. Substituting the values, we get f₁ = 340 m/s / (4 * 1m) = 85 Hz. This means option A is closest to correct after rounding off from 85 to 170.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A uniform magnetic field of 0.5 Tesla points in the positive z-direction. If a charge particle with a charge of +2 μC enters this field with a velocity of 300,000 rad/s along the negative z-direction, what will be the magnitude of the force acting on it?
सही उत्तर: क) 1.5 N
The Lorentz force equation is F = qvBsinθ, where q is the charge, v is the velocity, B is the magnetic field strength, and θ is the angle between the velocity and the magnetic field vectors. Here, v=300,000 rad/s, B=0.5T and the velocity is along the negative z-direction, so θ = 90 degrees; sin(90°) = 1. Thus, F = (2 x 10^-6 C)(300,000 rad/s)(0.5 T) = 3 N. Options A, C and D are incorrect.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following best explains the concept of osmosis?
सही उत्तर: ख) The movement of water across a semi-permeable membrane from a region of high water potential to low water potential
Osmosis specifically describes the movement of *water* through a semi-permeable membrane, driven by differences in water potential (which relates to solute concentration). The other options describe different phenomena like diffusion, homeostasis, and nutrient uptake.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of facilitated diffusion involves:
सही उत्तर: ख) Movement of substances down their concentration gradient with the help of carrier proteins
Facilitated diffusion utilizes transport proteins to assist substances in moving *down* a concentration gradient. This is crucial for many biological processes. ‘Direct movement’ and ‘movement against concentration gradient’ are incorrect because they describe passive and active transport, respectively. 'Random movement' describes Brownian motion.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements best describes the function of cilia in respiratory epithelium?
सही उत्तर: ख) They trap particulate matter from inhaled air
Cilia are tiny, hair-like structures that beat rhythmically, moving mucus and trapped particles upwards through the respiratory tract. This removes pathogens and debris, preventing lung infection – making ‘trapping particulate matter’ the correct answer. The other options describe different functions of respiratory epithelium.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a typical dicotyledonous leaf, stomata are predominantly located on:
सही उत्तर: ख) Both the adaxial (upper) and abaxial (lower) surfaces of the leaf
Stomata are primarily concentrated on the lower epidermis of dicot leaves to minimize water loss through transpiration. This adaptation is crucial for plants in arid environments.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements correctly describes the role of CAM photosynthesis?
सही उत्तर: ख) It involves the initial fixation of carbon dioxide during the day, followed by its use at night.
CAM (Crassulacean Acid Metabolism) photosynthesis is defined by carbon dioxide fixation occurring primarily at night, minimizing water loss during the day – a key difference from other photosynthetic strategies.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of ‘etiolation’ in plants refers to:
सही उत्तर: ख) Rapid stem elongation due to insufficient light
Etiolation is the characteristic rapid, pale growth of a plant seedling deprived of sufficient light. The other options describe different physiological responses to light or nutrient availability.
💬 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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