चिकित्सा शिक्षा आयोग (CEE) आयुर्वेद र होमियोप्याथी (BAMS) तयारी
चिकित्सा शिक्षा आयोग (CEE) – आयुर्वेद र होमियोप्याथी (BAMS)
BAMS 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 characteristics is most diagnostic for identifying a monocot stem in cross-section? (A) Vascular bundles arranged in a ring. (B) Scattered vascular bundles. (C) A distinct cambium layer. (D) Vascular bundles surrounded by a fibrous root sheath.
सही उत्तर: ग) (C) A distinct cambium layer.
Monocot stems have scattered vascular bundles throughout the stem tissue, unlike dicots which arrange them in a ring. Option (A) describes dicot stems and (C) is incorrect; monocots lack a cambium.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary photosynthetic product in C3 plants during daylight hours is typically: (A) Fructose (B) Glucose (C) Starch (D) Sucrose
सही उत्तर: ख) (B) Glucose
Glucose is the primary product of photosynthesis in C3 plants. Fructose and sucrose are intermediate compounds involved in carbon metabolism. Starch is a storage form created later.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 100 g ice cube at 0°C is placed in a container containing 500g of water also at 0°C. The specific heat capacity of ice is 2.1 J/g°C and the specific heat capacity of water is 4.186 J/g°C. Assuming no heat is lost to the surroundings, what is the final temperature of the water?
सही उत्तर: ग) 30°C
This problem involves heat transfer and thermal equilibrium. The ice will melt first absorbing heat from the water until it reaches 0°C. Then, the melted ice (water) will absorb more heat from the water until both are at a uniform temperature. The heat gained by the ice = Heat lost by the water. Q_ice = m_ice * c_ice * ΔT; Q_water = m_water * c_water * ΔT, where m is mass, c is specific heat and ΔT is change in temp. The melting point of the ice happens at 0°C so that ΔT= T_final - 0 = T_final. Thus: m_ice*2.1*(T_final-0) = m_water *4.186 *(T_final-0). Simplifying gives: (100)(2.1) T_final = (500)(4.186) T_final => 210 T_final = 2093 T_final. This is wrong so let's rethink. Instead, we’ll consider the heat required to melt all ice into water at 0°C and then further heat the water until it reaches equilibrium temperature. The latent heat of fusion of ice is about 334 J/g, and the final equilibrium temperature will be approximately 20°C.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two sound waves with amplitudes 2 cm and 3 cm respectively, are superposed. The resultant amplitude is 5 cm. What is the phase difference between the two waves?
सही उत्तर: ख) 90 degrees
The resultant amplitude of two overlapping sound waves is given by the principle of superposition: R = √(A₁² + A₂² + 2A₁A₂cos(θ)) where R is the resultant amplitude, A₁ and A₂ are the amplitudes of the individual waves and θ is the phase difference between the waves. For R to be maximum (5 cm), cos(θ) must be equal to 1, which means θ = 0 degrees. The tempting incorrect option of '90 degrees' arises from considering the potential for destructive interference when amplitudes are different.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A stone is dropped from the top of a building with an initial velocity of 0 m/s. After 2 seconds, its distance from the ground is 64 meters. Assuming gravity as 9.8 m/s², what is the height of the building?
सही उत्तर: क) 100m
The stone's motion can be described by equations of kinematics. Using the equation s = ut + (1/2)at² where s is displacement, u is initial velocity, a is acceleration and t is time, we get s = 0*2 + (1/2)*9.8*2*2 = 19.6 m. The height of building will be added to this distance. Therefore the total height is 64+19.6=83.6m . The option closest to this answer from the choices provided would be rounded to 80m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The movement of water across a semi-permeable membrane from an area of high concentration to low concentration is called:
सही उत्तर: ग) C) Osmosis - driven by differences in solute concentrations.
Osmosis is defined as water movement across a semi-permeable membrane from high to low concentration due to osmotic pressure. Diffusion describes general molecular movement, active transport needs energy and facilitated diffusion uses protein channels.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following processes is responsible for maintaining osmotic balance within animal cells?
सही उत्तर: ग) C) Filtration – the movement of water across a semi-permeable membrane due to hydrostatic pressure.
Active transport utilizes cellular energy (ATP) to move ions and other solutes, directly counteracting osmotic pressure changes. Option A is related to metabolism, option C describes diffusion, and option D refers to exocytosis.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A student scores 70 marks in Math, 80 marks in Science and 90 marks in English. What is his average score?
सही उत्तर: क) 80
The average is calculated by summing the marks and dividing by the number of subjects (3). Total marks = 70 + 80 + 90 = 240. Average = 240 / 3 = 80. Option B is incorrect as it adds the scores instead of calculating the average.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a certain code, 'APPLE' is written as 'GFPMF'. How would ‘GRAPE’ be written in this code?
सही उत्तर: क) HFLPQ
The code seems to replace each letter with the next one in the alphabet. A -> G, P -> F, L -> P, E -> M. Applying the same rule to GRAPE: G -> H, R -> L, A -> F, P -> Q, E -> P. So ‘GRAPE’ would be written as ‘HFLQP’. Option B is incorrect because it doesn't follow the simple substitution pattern.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A shopkeeper buys a table for Rs 800 and sells it for Rs 1100. He also buys a chair for Rs 300 and sells it for Rs 450. What is his total profit percentage?
सही उत्तर: क) 7.27%
The shopkeeper's profit on the table is Rs (1100-800) = Rs 300. His profit on the chair is Rs (450-300) = Rs 150. Total profit is Rs 450. Total cost price is Rs (800+300) = Rs 1100. The profit percentage is (450/1100)*100 = 40.9%. Option B is incorrect because it does not account for the total cost price.
💬 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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