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 term 'degree of unsaturation' represents: (a) The number of saturated carbon atoms in a molecule. (b) The number of double or triple bonds present in a molecule, plus ring structures. (c) The total mass of the molecule. (d) The temperature at which a substance boils.
सही उत्तर: ख) (b) The number of double or triple bonds present in a molecule, plus ring structures.
Option (b) is correct because the degree of unsaturation directly relates to the number of multiple bonds and rings within a molecule's structure, providing information about its reactivity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of converting a primary alcohol into an ether using sulfuric acid is known as: (a) Reduction (b) Oxidation (c) Esterification (d) Dehydration
सही उत्तर: घ) (d) Dehydration
Option (d) is correct because dehydration of a primary alcohol with sulfuric acid results in the formation of an ether and water. Options (a), (b), and (c) represent different chemical processes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The reaction between sodium metal and alcohol produces sodium alkoxides and hydrogen gas. Which of the following statements accurately describes this type of reaction? (a) It is an exothermic process that releases heat. (b) The rate of the reaction increases with increasing temperature. (c) It involves a change in oxidation state of sodium. (d) It is a displacement reaction where a more reactive metal replaces hydrogen.
सही उत्तर: क) (a) It is an exothermic process that releases heat.
Option (a) is correct because the reaction between sodium and alcohol is indeed exothermic, releasing heat as hydrogen gas is produced. Options (b), (c), and (d) are incorrect; increasing temperature does not necessarily speed up this reaction significantly, oxidation state of sodium doesn't change, and it's not a typical displacement reaction.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The phenomenon of 'wound healing' in plants primarily involves the activity of: (a) Ethylene (b) Cell proliferation and differentiation at the injury site. (c) Jasmonates only (d) Brassinosteroids
सही उत्तर: ख) (b) Cell proliferation and differentiation at the injury site.
Wound healing in plants is a complex process involving active cell division (proliferation) and specialization (differentiation) to form a callus – this option best describes that cellular mechanism.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following plant hormones plays a crucial role in root development and growth? (a) Auxin (b) Gibberellin (c) Cytokinin (d) Abscisic acid
सही उत्तर: क) (a) Auxin
Auxins are particularly known for their influence on root initiation and growth. Gibberellins promote stem elongation, cytokinins mainly stimulate cell division and bud formation, while abscisic acid is involved in stress responses.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The term ‘etiolation’ in plants refers to: (a) The process of fruit ripening. (b) Excessive growth due to lack of light. (c) The formation of flower buds. (d) The absorption of water through the roots.
सही उत्तर: ख) (b) Excessive growth due to lack of light.
Etiolation describes a plant's response to low light conditions – characterized by rapid stem elongation and pale green leaves. This is distinctly different from the other options.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following statements best describes the process of pollination? (a) The fusion of male and female gametes within the ovule. (b) The transfer of pollen grains from the anther to the stigma. (c) The development of the zygote into an embryo. (d) The absorption of nutrients by the developing seed.
सही उत्तर: ख) (b) The transfer of pollen grains from the anther to the stigma.
Pollination is fundamentally about moving pollen; option (b) accurately describes this transfer process. Options (a), (c), and (d) represent subsequent stages in fertilization.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary function of chloroplasts in plant cells is: (a) Protein synthesis (b) Photosynthesis (c) Lipid storage (d) Cell division
सही उत्तर: ख) (b) Photosynthesis
Photosynthesis is the process by which plants convert light energy into chemical energy in the form of sugars. Options (a), (c), and (d) represent other cellular functions, not the core role of chloroplasts.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In humans, the ‘false ribs’ (ribs 8-10) articulate with the ribcage via their superior borders only; they do not directly connect to the sternum. Which structure primarily provides protection for the heart and lungs?
सही उत्तर: ख) Vertebral Column
The rib cage, formed by the ribs articulating with the vertebral column and sternum, offers a protective enclosure for vital organs like the heart and lungs. The sternum is a key component, but it's interaction is through articulation with ribs.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A healthy adult individual typically excretes approximately how much liquid (urine) per day?
सही उत्तर: ख) 1500-2500 ml
The average daily urine output for a healthy adult is between 1.5 and 2.5 liters. This volume fluctuates based on hydration levels, diet, and overall health.
💬 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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