चिकित्सा शिक्षा आयोग (CEE) बीएस्सी नर्सिङ र बीएनएस प्रवेश तयारी
चिकित्सा शिक्षा आयोग (CEE) – बीएस्सी नर्सिङ र बीएनएस प्रवेश
B.Sc. Nursing & BNS 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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A particle of mass 'm' is moving with a velocity 'v' in the positive x-direction. It enters a uniform magnetic field B acting perpendicularly to its motion. At what point will the magnetic force on the particle be maximum?
सही उत्तर: घ) When the velocity is perpendicular to B
The magnetic force on a moving charge is given by F = qvBsinθ, where θ is the angle between v and B. The magnitude of this force is maximized when sinθ = 1 (i.e., when the velocity is perpendicular to the magnetic field). At other angles, the force is smaller. Options 1 and 2 are incorrect as they relate to zero or specific values for B and m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A wire carries a current of 3 A along the east direction. It is placed in a uniform magnetic field of 0.5 T acting vertically upwards. The magnetic force on the wire is 1.5 N. What is the angle between the wire and the magnetic field? (Hint: F = I L x B where x represents the cross product)
सही उत्तर: ग) 135°
The magnetic force on a current-carrying wire in a magnetic field is given by F = ILBsinθ, where θ is the angle between the wire and the magnetic field. Given I=3A, F=1.5N and B=0.5T, we have 1.5 = 3 * 0.5 * sinθ, which implies sinθ = 1, therefore θ = 90°. The tempting option of 45° is incorrect because it doesn’t satisfy the force equation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the next letter in the sequence: A, C, E, G, I,...?
सही उत्तर: क) K
The sequence consists of consecutive letters in the alphabet. The letters are separated by an odd number of steps (A to C = 2 steps, C to E = 2 steps, etc.). So the next letter is K.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If a mirror image of the word ‘LEVEL’ is shown, what would be the reflected word?
सही उत्तर: ख) EVLE
The mirror image reverses the letters of the word. 'LEVEL' reversed creates 'VELVE'. This option represents the correct reflected image.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A sequence has the following terms: 2, 5, 10, 17, 26,... What is the next term in the sequence?
सही उत्तर: क) 37
The sequence consists of numbers that are one more than perfect squares. (1^2+1 = 2), (2^2+1=5), (3^2+1=10),(4^2+1=17),(5^2+1=26). Therefore, the next term is 6^2 + 1 = 37.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What type of aestivation is characterized by overlapping floral segments, resulting in a curved or folded leaf base?
सही उत्तर: ख) Twisted Aestivation
Twisted aestivation (option 2) describes the arrangement of petal bases where they overlap, forming a twisted or rolled appearance. Superspecific aestivation (option 1) involves distinct, separate segments while water droplet and open aestivation refer to different arrangements with no overlapping.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The periderm formed during secondary growth consists of: (A) Only xylem cells (B) Primarily phloem cells and parenchyma cells (C) Cork cambium, phelloderm, and cork cells (D) Only sclerenchyma cells
सही उत्तर: ग) (C) Cork cambium, phelloderm, and cork cells
The periderm is the protective outer layer of stems and roots that develops during secondary growth. It's composed of several cell types including the cork cambium (which produces new cork cells), phelloderm (parenchyma cells), and cork cells themselves. This accurately reflects option (C).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The light reactions of photosynthesis occur in the: (A) Stroma (B) Thylakoid membranes (C) Cell membrane (D) Cytoplasm
सही उत्तर: ख) (B) Thylakoid membranes
The light-dependent reactions of photosynthesis take place within the thylakoid membranes of chloroplasts. These membranes contain chlorophyll and other pigments necessary for capturing light energy. The stroma is where the Calvin cycle occurs, while the cytoplasm is involved in various cellular processes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Free central placentation is found in: (A) Pea (B) Apple (C) Citrus (D) Tulip
सही उत्तर: ख) (B) Apple
Free central placentation refers to the arrangement of floral parts where the ovary is located in the center of the flower and does not have any specific connection with other floral organs. Apple plants exhibit this characteristic arrangement, making option (B) correct. Pea plants have terminal placentation, Citrus has axile placentation, and Tulip plants have a different floral structure.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The presence of ketonuria (ketone bodies in urine) is most strongly indicative of: (a) Dehydration (b) Excessive protein intake (c) Insufficient carbohydrate intake or starvation (d) Kidney damage
सही उत्तर: घ) (d) Kidney damage
Ketonuria is a characteristic sign of metabolic stress, primarily occurring when the body lacks sufficient glucose for energy and begins to break down fat instead. This results in ketone bodies being produced and excreted in urine. Option (a) relates to dehydration but doesn't cause ketonuria; (b) increases protein levels but not ketones; and (d) is a general symptom of kidney problems but not specifically linked to ketone production.
💬 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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