चिकित्सा शिक्षा आयोग (CEE) बीडीएस प्रवेश परीक्षा तयारी
चिकित्सा शिक्षा आयोग (CEE) – बीडीएस प्रवेश परीक्षा
CEE – BDS 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 ‘RAIN’ is coded as 18975, what does ‘SUN’ represent?
सही उत्तर: क) 431
Let's decode the letters: R=18, A=9, I=7, N=5. Therefore, S=4, U=3, N=1.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Pointing to a map, Rohan says, 'The temple is located to the east of the lake and to the north of the school.' If the school is to the west of the lake, what is the relative position of the temple?
सही उत्तर: क) South-East
Rohan's statement says the temple is east of the lake (meaning it has an easterly component) and north of the school. We are told the school is west of the lake, so that places the lake to the east of the school. Combining these facts, the temple must be in the South-West direction relative to the lake.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If January 1st, 2023 was a Saturday, what day of the week will February 1st, 2023 be?
सही उत्तर: क) Monday
January has 31 days. Since January 1st, 2023 was a Saturday, February 1st, 2023 will be 31 days later. 31 days is equal to 4 weeks and 3 days (31 / 7 = 4 remainder 3). Therefore, the day of the week shifts by 3 days from Saturday: Saturday + 3 days = Tuesday.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If 15% of a number is 60, what is 85% of that number?
सही उत्तर: क) 200
Let the number be 'x'. We are given that 15% of x = 60. Therefore, (15/100) * x = 60. Solving for x, we get x = 60 * (100/15) = 400. Now, we need to find 85% of 400, which is (85/100) * 400 = 340. The most tempting answer is 200 because it’s a multiple of 15 and 85; however, 400 is the correct base value.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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During synaptic transmission, neurotransmitters released into the synaptic cleft diffuse across the space and bind to receptors on the postsynaptic neuron. Which of the following correctly describes the *primary* mechanism by which this signal is terminated? (a) Neurotransmitter is immediately reabsorbed back into the presynaptic neuron. (b) The neurotransmitter undergoes a chemical reaction that breaks it down. (c) The neurotransmitter is rapidly transported across the cell membrane. (d) The receptor sites are permanently altered to enhance signal transmission.
सही उत्तर: क) (a) Neurotransmitter is immediately reabsorbed back into the presynaptic neuron.
The most immediate and crucial mechanism for terminating synaptic transmission is reuptake – where the neurotransmitter is actively taken back into the presynaptic neuron. This prevents prolonged stimulation. Option (b) describes degradation, (c) describes transport which occurs later, and (d) describes desensitization.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Insulin : Diabetes :: Thyroxine : ?
सही उत्तर: ख) Hyperthyroidism
Insulin is a medication used to treat diabetes; similarly, thyroxine is a medication used to treat hyperthyroidism (an overactive thyroid). The analogy represents a disease and its respective treatment.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If the price of a book is increased by 10% and then decreased by 5%, what is the percentage change in the price?
सही उत्तर: क) (1) 5%
First, increase by 10%: Price + 10% of (Price) = 1.1 * Price. Then decrease by 5%: (1.1 * Price) - 5% of (1.1 * Price) = 0.95 * (1.1*Price) = 1.045 * Price. This is a 4.5% increase, so the correct answer isn't explicitly listed.”}],
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of converting solid sodium chloride into chlorine gas and hydrogen gas is known as:
सही उत्तर: घ) 4. Combustion
Electrolysis involves the decomposition of a compound using electric current. In this case, NaCl is decomposed into Cl₂ and H₂ when an electric current is passed through it with appropriate electrodes. The other options represent different chemical reactions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following reactions demonstrates Le Chatelier's principle?
सही उत्तर: ग) 3. Increasing the pressure on a gaseous reaction favors the side with fewer moles of gas
Le Chatelier's principle states that if a change of condition (e.g., temperature, pressure) is applied to a system in equilibrium, the system will shift in a direction that relieves the stress. Increasing the temperature favors the endothermic direction as it absorbs heat. Option 1 shows solubility decreasing with increased temperature; option 3 deals with gas volumes, and option 4 refers to common salt dissolving.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The approximate molar concentration of HCl in a solution with a pH of 3 at 25°C is:
सही उत्तर: ख) 2. 1 x 10⁻³ M
pH = -log[H⁺]. Therefore, [H⁺] = 10⁻pH = 10⁻³. So the molar concentration is 1 x 10⁻³ M. The most tempting answer, 1 x 10⁻² M, arises from incorrectly applying the pH formula with a different base.
💬 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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