चिकित्सा शिक्षा आयोग (CEE) पारामेडिकल (B.Pharm, BPH, BMLT, BMIT, B.Optom) तयारी
चिकित्सा शिक्षा आयोग (CEE) – पारामेडिकल (B.Pharm, BPH, BMLT, BMIT, B.Optom)
Paramedical Bachelor 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 A > B and C < D, can we conclude that A > D?
सही उत्तर: ख) Sometimes
No, this cannot be concluded. If B is a very large number and D is a very small number, then even though A > B and C < D, it's possible for A to still be smaller than D. It’s an example of affirming the consequent.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a sequence: 2, 4, 8, 16, 32, ?
सही उत्तर: क) 64
This is a simple geometric progression where each term is double the previous one. Therefore, the next number in the sequence is 32 * 2 = 64.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A clock shows 10:30 AM. What will the hour and minute hand be pointing towards in exactly 55 minutes?
सही उत्तर: ग) South-East
At 10:30, the minute hand is at 6 and the hour hand is halfway between 10 and 11. After 55 minutes (0 hours 55 min), which is 1 hour and 15 minutes, the minute hand will be at 8, and the hour hand will have moved another 15/60 of a circle from 10.5. Thus it is approximately to East.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A train travels at a speed of 60 km/h. It covers a distance in 4 hours. If it increases its speed by 15%, what is the new time taken to cover the same distance?
सही उत्तर: ग) 5 hours
The original distance is 60 km/h * 4 h = 240 km. If the speed increases by 15%, the new speed is 60 + (0.15*60) = 69 km/h. The new time taken to cover 240 km at 69 km/h is 240 / 69 ≈ 3.48 hours, which is closest to 3 hours.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The phenomenon of 'crinkling' observed in young, herbaceous plant stems is primarily due to: (a) Excessive transpiration (b) The accumulation of gaseous products like ethanol and carbon dioxide within the stem cells (c) The breakdown of chlorophyll pigments (d) The rapid growth of epidermal cells
सही उत्तर: ख) The accumulation of gaseous products like ethanol and carbon dioxide within the stem cells
Crinkling is a result of gas build-up (ethanol and carbon dioxide) produced during respiration in the young stems. This pressure causes the stem to buckle. Excessive transpiration exacerbates this.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following best describes the function of CAM (Crassulacean Acid Metabolism) photosynthesis? (a) It occurs continuously throughout the day and night. (b) It fixes carbon dioxide during the daytime, maximizing light capture. (c) It fixes carbon dioxide at night and minimizes water loss during the day. (d) It relies solely on chloroplasts within the mesophyll cells.
सही उत्तर: ग) It fixes carbon dioxide at night and minimizes water loss during the day
CAM photosynthesis is a specialized adaptation found in succulents to conserve water. It involves capturing CO2 at night and fixing it during the day, minimizing water loss due to stomatal closure.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary photosynthetic pigment in plants is: (a) Carotene (b) Xanthophyll (c) Chlorophyll (d) Phycocyanin
सही उत्तर: ग) Chlorophyll
Chlorophyll is the primary pigment responsible for absorbing light energy during photosynthesis. Carotenes and Xanthophylls are accessory pigments; phycocyanins are primarily found in cyanobacteria.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements correctly describes the role of xylem tissue in a plant? (a) It transports sugars from source to sink. (b) It facilitates gas exchange between the atmosphere and the leaf. (c) It conducts water and minerals upwards from the roots. (d) It provides structural support throughout the plant.
सही उत्तर: ग) It conducts water and minerals upwards from the roots
Xylem tissue is specifically designed for the vascular transport of water and dissolved mineral salts from the root to the rest of the plant. The other options describe the functions of phloem and collenchyma respectively.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of converting light energy into chemical energy within plant cells is termed: (a) Respiration (b) Photosynthesis (c) Translocation (d) Germination
सही उत्तर: ख) Photosynthesis
Photosynthesis is the fundamental process by which plants convert light energy into chemical energy in the form of glucose. Respiration uses this energy; translocation moves substances within the plant; and germination is the sprouting of seeds.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The decomposition of potassium chlorate (KClO₃) can be represented by the following equation: 2KClO₃(s) → 2KCl(s) + 3O₂(g). If 10 grams of KClO₃ decomposes, approximately how many grams of oxygen gas will be produced? (a) 2.5 g (b) 5.0 g (c) 7.5 g (d) 10.0 g
सही उत्तर: ख) (b) 5.0 g
First, calculate the moles of KClO₃: (10g / 122.5 g/mol) = 0.0816 mol. According to the balanced equation, 2 moles of KClO₃ produce 3 moles of O₂. Therefore, 0.0816 mol KClO₃ produces (3/2) * 0.0816 = 0.1224 mol O₂. Convert this to grams: 0.1224 mol * 32 g/mol = 3.90 g, which is closest to 2.5g. This question tests the student’s ability to apply stoichiometry and use molar masses correctly.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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