मेडिकल प्रवेश (CEE) – Physics, Chemistry, Zoology, Botany, MAT

Medical Entrance (CEE) – Physics, Chemistry, Biology & MAT · २,०३९ प्रश्न

सबै विषय भौतिक विज्ञान (Physics) रसायन विज्ञान (Chemistry) जीव विज्ञान – Zoology वनस्पति विज्ञान – Botany MAT (Mental Agility Test)

२,०३९ प्रश्न उपलब्ध। मोड छान्नुहोस्:

CEE प्रवेश: प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

A beam of light is incident on a plano-convex lens of refractive index μ = 1.5 at normal incidence. The reflected ray is perpendicular to the refracted ray. What is the value of μ?

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
The molar mass of urea (CO(NH₂)₂) is approximately 60 g/mol. What percentage by mass of nitrogen does urea contain? (a) 14% (b) 26% (c) 38% (d) 76%

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
Which of the following statements is correct regarding the reaction between sodium metal and water? (a) This reaction produces hydrogen gas and sodium hydroxide. (b) This reaction generates oxygen gas and sodium oxide. (c) The reaction forms sodium hydride and water. (d) The reaction does not occur under normal conditions.

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
The solubility of a gas in a liquid depends on pressure. According to Henry's Law, the partial pressure of a gas over a solution is directly proportional to its concentration in that solution. If the partial pressure of O₂ over water increases from 0.2 atm to 0.8 atm at constant temperature, what will be the corresponding increase in the solubility of O₂ in water? (a) 0.4 mol/L (b) 0.2 mol/L (c) 0.6 mol/L (d) 0.8 mol/L

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
The following equilibrium represents a reversible reaction: 2NH₃(g) ⇌ N₂(g) + 3H₂O(g) ΔH for the reaction is positive. Which change in conditions would shift the equilibrium to the RIGHT? (a) Decreasing the pressure of the system. (b) Increasing the temperature of the system. (c) Adding more NH₃ to the system. (d) Removing N₂ from the system.

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
The reaction of ethane (C₂H₆) with oxygen (O₂) produces carbon dioxide (CO₂) and water (H₂O). Which of the following statements best describes this combustion process? (a) It is an exothermic reaction releasing heat energy. (b) It is an endothermic reaction absorbing heat energy. (c) It involves the formation of a covalent bond between ethane and oxygen. (d) It results in the reduction of carbon to methane.

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
The term 'etiolation' in botany refers to: (a) The process of leaf abscission (falling off). (b) Rapid growth due to excessive light exposure. (c) Abnormal growth resulting from prolonged darkness, characterized by elongated stems and pale leaves. (d) The decomposition of organic matter.

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
Which of the following is a characteristic feature of monocotyledonous plants? (a) Scattered vascular bundles in stem (b) Distinct ring of vascular bundles in stem (c) Presence of secondary xylem and phloem (d) Parallel leaf venation

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
The process of pollination is crucial for plant reproduction. Which of the following best describes its significance? (a) It ensures that only healthy seeds are produced. (b) It facilitates the absorption of nutrients by the developing embryo. (c) It involves the transfer of pollen from the anther to the stigma, enabling fertilization. (d) It directly regulates the rate of photosynthesis in the plant.

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।
Which of the following statements accurately describes the role of stomata in plants? (a) Stomata primarily absorb carbon dioxide for photosynthesis. (b) Stomata regulate gas exchange (carbon dioxide and oxygen) and water vapor transpiration. (c) Stomata are involved in nutrient absorption from the soil. (d) Stomata contribute directly to the production of chlorophyll.

💬 टिप्पणी / गल्ती रिपोर्ट (०)
छलफल / प्रश्न उत्तरमा गल्ती छ
टिप्पणी जाँचपछि मात्र देखिन्छ।

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।