चिकित्सा शिक्षा आयोग (CEE) बीएस्सी नर्सिङ र बीएनएस प्रवेश तयारी

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

681. Which of the following cell types is primarily responsible for transporting oxygen in mammalian blood?

     कNeutrophils खBasophils गErythrocytes घLymphocytes
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682. The contractile sheath surrounding the cardiac muscle fibers is called:

     कSarcomere खMyofibril गSarcoplasmic reticulum घStriation
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683. The solubility of a gas (X₂) in water at 25°C is 0.8 g per 100 mL of water. What mass of gas (X₂) would be present in 200 mL of this solution?

     क0.4 g ख1.6 g ग0.8 g घ4.0 g
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684. The enthalpy change (ΔH) for the reaction 2H₂(g) + O₂(g) → 2H₂O(l) is -483.6 kJ/mol. What is the heat absorbed by a system when 16 g of H₂ reacts completely with O₂ according to this equation?

     क-967.2 kJ ख-483.6 kJ ग967.2 kJ घ483.6 kJ
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685. The process of apoptosis (programmed cell death) is a tightly regulated event in multicellular organisms. What is the primary signal that triggers this process?

     कIncreased levels of growth hormones खActivation of DNA repair mechanisms गRelease of caspases, a family of proteases घAccumulation of damaged proteins
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686. A sequence is defined as: First term = 3; Second term = 7; Third term = 11; Fourth term = 15; Fifth term = ?

     क19 ख21 ग23 घ25
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687. If 'SUN' is coded as 16, 'MOON' is coded as 11, and 'RAIN' is coded as 13, how is ‘CLOUD’ coded?

     क8 ख10 ग12 घ14
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688. Two springs have spring constants k₁ = 100 N/m and k₂ = 200 N/m. If they are connected in parallel, what is the effective spring constant of the combined system?

     कa) 300 N/m खb) 500 N/m गc) 100 N/m घd) 200 N/m
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689. A stone is dropped from the top of a building. It takes 3 seconds to reach the ground. Considering air resistance, which of the following statements about its velocity at the 2nd second of fall is MOST likely?

     कa) The velocity remains constant at 9.8 m/s (downwards). खb) The velocity increases due to gravity, but reduced by air resistance. गc) The velocity decreases due to air resistance, potentially becoming negative. घd) The velocity is zero at the 2nd second.
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690. A current of 2 A flows through a series circuit containing a resistor R = 10 ohms and a capacitor C. If the voltage across the capacitor is V = 10V at time t = 1 second, what was the initial charge on the capacitor? (Hint: Consider the RC circuit behavior)

     क0C ख10C ग20C घ5C
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