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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The process of transpiration in plants is primarily influenced by: (a) Increased carbon dioxide concentration (b) Reduced root pressure (c) Humidity and temperature (d) Decreased sunlight intensity
सही उत्तर: ग) (c) Humidity and temperature
Transpiration – the evaporation of water from plant leaves – is directly affected by environmental conditions like humidity and temperature. High humidity reduces the rate of transpiration, while increased temperature promotes it. Carbon dioxide levels and sunlight intensity have minimal direct impact.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The phenomenon of pollination, involving the transfer of pollen from stamen to pistil, relies heavily on: (a) Root pressure (b) Capillary action (c) Wind and biotic agents (e.g., insects, birds) (d) Gravitational force
सही उत्तर: घ) (d) Gravitational force
Pollination depends on the movement of pollen grains to reach the stigma of a flower for fertilization. While root pressure and capillary action are involved in water transport within plants, wind, insects, birds and other animals are key agents in pollen transfer. Gravitational force plays no direct role.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements accurately describes the role of chloroplasts in a plant cell? (a) Storage of genetic information (b) Site of protein synthesis (c) Location of photosynthesis (d) Regulation of water balance
सही उत्तर: ग) (c) Location of photosynthesis
Chloroplasts contain chlorophyll and are the organelles where photosynthesis – the conversion of light energy into chemical energy (glucose) – takes place. Storage of genetic information is associated with the nucleus; protein synthesis occurs in ribosomes; and water balance is regulated by vacuoles.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary function of xylem vessels in plants is: (a) Translocation of sugars produced during photosynthesis (b) Absorption of water and minerals from the soil (c) Release of oxygen into the atmosphere (d) Support and transport of water upwards through the plant
सही उत्तर: ख) (b) Absorption of water and minerals from the soil
Xylem vessels are specifically designed for the efficient transport of water and mineral ions absorbed by roots to other parts of the plant. The other options describe functions of phloem, stomata, or respiration respectively.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A man has three sons. The first son is older than the second son. The third son is younger than the first son. Which son is the youngest?
सही उत्तर: क) First Son
The clues given establish a relative order: 1st > 2nd and 3rd < 1st. Therefore, the 3rd son must be the youngest. The other options are based on misinterpretations of the relationship.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The letters ‘V’, ‘X’, ‘Z’ are arranged in a sequence. The next letter in the sequence is?
सही उत्तर: क) T
The sequence consists of consecutive odd-numbered letters of the English alphabet. V, X and Z represent 22, 24 and 26 respectively. Therefore, the next term is U (28). The other options are incorrect as they do not reflect this pattern.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If a sequence is defined as: 1st term = 2; 2nd term = 4; 3rd term = 6; then what will be the 7th term?
सही उत्तर: क) 8
The sequence follows an arithmetic progression with a common difference of 2. Therefore, the 7th term is calculated as: (7th term) = 2 + (7-1)*2 = 2 + 6*2 = 14. The other options are incorrect because they don't follow this consistent addition pattern.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the molar mass of H₂SO₄ (sulfuric acid)?
सही उत्तर: ख) 100 g/mol
The molecular formula for sulfuric acid is H₂SO₄. To calculate the molar mass, we add the atomic masses of each element: (2 × 1) + (32) + (4 × 16) = 98 g/mol. This is a standard calculation involving the periodic table.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The pH of a 0.1 M solution of acetic acid (CH₃COOH) is 4.76. What is the Ka value for acetic acid?
सही उत्तर: क) 1.8 × 10⁻⁵
Ka is calculated using the formula pH = -log[H⁺]. Therefore, [H⁺] = 10^(-pH) = 10^(-4.76) ≈ 1.9 × 10⁻⁵. Then Ka = [H⁺]/([CH₃COOH]) = (1.9×10⁻⁵)/(0.1) = 1.9 x 10^-4. The closest value is 2.9 x 10⁻⁴.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the chemical formula for iron(III) oxide, formed by the reaction of iron with oxygen?
सही उत्तर: क) Fe₂O₃
Iron(III) oxide is represented as Fe₂O₃. It’s formed through oxidation of iron to a +3 state, and this is the most stable form under standard conditions. The other options represent different stoichiometries that are not consistent with the reaction.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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