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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Find the missing number: 1, 4, 9, 16, 25, ?
सही उत्तर: घ) 81
This sequence represents perfect squares (1^2, 2^2, 3^2,...). Therefore the missing number is 7^2 = 49.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A person is given a set of instructions: 1. Walk forward 5 meters. 2. Turn right and walk 8 meters. 3. Turn left and walk 3 meters. 4. Turn right and walk 7 meters. What is the final displacement (distance) from the starting point?
सही उत्तर: ख) 12 meters
The person first walks 5m forward, then 8m to the right, next 3m left (cancelling out some of the previous movement), and finally 7m to the right. Adding these displacements gives us a net displacement of 5 + 8 - 3 + 7 = 17 meters. The most tempting option is 14 because it's close but has an incorrect sum.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary target of HIV infection is: (A) Liver Cells (B) Immune System Cells (specifically CD4+ T cells) (C) Muscle Tissue (D) Neurons
सही उत्तर: ख) Immune System Cells (specifically CD4+ T cells)
HIV replicates within and destroys CD4+ T helper cells, which are essential for coordinating the immune response. This ultimately leads to a weakened immune system. Options A, C, and D are incorrect; HIV doesn’t directly target these tissues.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following processes is MOST directly involved in maintaining osmotic balance within the cells of an amphibian during metamorphosis? (A) Active transport of sodium ions. (B) Diffusion of water across the skin. (C) Secretion of urea into the bloodstream. (D) Production of antidiuretic hormone.
सही उत्तर: ख) Diffusion of water across the skin
During amphibian metamorphosis (e.g., tadpole to frog), the developing limbs require increased cellular water content. Active transport plays a crucial role in bringing this water into cells. Options B and C describe other processes, and option D deals with hormonal regulation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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During embryonic development, the formation of the notochord is a critical event in chordates. What is the primary function of the notochord? (A) Providing structural support and acting as a skeletal framework. (B) Transporting nutrients to developing tissues. (C) Directing nerve impulses for muscular contraction. (D) Serving as a primitive backbone.
सही उत्तर: ख) Transporting nutrients to developing tissues
The notochord is the precursor to the vertebral column in chordates. It provides essential mechanical support during development and plays a role in signaling pathways. Options A and D are incorrect; the notochord predates vertebrae. Option C describes a different function.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements BEST describes the function of the lateral line system in fishes? (A) Sensing changes in water pressure for detecting predators. (B) Detecting chemical gradients to locate food sources. (C) Sensing vibrations and movement in surrounding water. (D) Maintaining body temperature through cutaneous blood flow.
सही उत्तर: ग) Sensing vibrations and movement in surrounding water
The lateral line system is a sensory organ found in aquatic vertebrates that detects disturbances in the water. It’s crucial for detecting prey, predators and navigation. Options A and D describe other potential uses of sensory systems. Option B refers to chemoreception.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The phenomenon where a fish actively controls its buoyancy using specialized organs, maintaining a constant depth without expending energy, is known as: (A) Osmosis (B) Negative Buoyancy (C) Swim Bladder Function (D) Gill Ventilation
सही उत्तर: ग) Swim Bladder Function
The swim bladder is a gas-filled sac within bony fishes that precisely controls their depth in water. Options A, D and B describe other physiological processes related to aquatic life. Negative buoyancy would imply an upward force, which contradicts the fish's behaviour.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A sequence is defined as: First term = 5, Second term = 12, Third term = 21, Fourth term = 33. What is the next term in this sequence?
सही उत्तर: क) 46
The differences between consecutive terms are: 7, 9, 12. The differences between these differences are: 2, 3. Continuing this pattern the next difference will be 4 and therefore the next term is 33 + 4 = 37. (This was an error in initial analysis). Now calculate the sequence again: First term=5 , Second Term = 12(5+7) Third term =21(12+9), Fourth term =33(21+12)....Next would be 64(33 + 12).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If 7 students can complete a project in 8 days, how many days would it take 14 students to complete the same project?
सही उत्तर: ग) 8
This is a direct proportion problem. If you double the number of students, the time taken will be halved (8/2 = 4). However, we need to find how many days it takes with 14 students. So doubling the amount of people makes for half the work. Therefore, time is reduced from 8 to 4 days.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Plaster of Paris is used in hospitals for making casts to support fractured bones because, when mixed with water: (a) It undergoes a rapid exothermic reaction. (b) It forms a rigid and strong gel immediately. (c) It initially remains as a paste that hardens upon hydration. (d) It instantly fuses with the bone tissue.
सही उत्तर: ग) (c) It initially remains as a paste that hardens upon hydration
Plaster of Paris (calcium sulphate hemihydrate) reacts with water to form a suspension of plaster particles. This suspension gradually hardens into a solid cast due to the formation of calcium silicate gel. The exothermic reaction is a secondary effect.
💬 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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