चिकित्सा शिक्षा आयोग (CEE) एमबीबीएस प्रवेश परीक्षा तयारी

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

921. The phenomenon of geotropism refers to:

     कThe movement of plants towards light खThe response of plant roots to gravity गThe process of photosynthesis in plants घThe growth of stems upwards
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

922. The presence of chalcones in certain flowers contributes to their color. These compounds are formed through:

     कA process called pollination खA reaction between phloem sugars and enzymes गThe action of light on chlorophyll pigments घDirect absorption by flower petals
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

923. The primary function of xylem vessels in plants is to transport:

     कSugars from leaves to roots खWater and minerals from roots to shoots गAmino acids throughout the plant घOxygen produced during photosynthesis
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

924. The solubility of a gas in a liquid is inversely proportional to which of the following factors?

     क(a) The pressure exerted by the gas above the liquid. ख(b) The temperature of the liquid. ग(c) The surface area of the liquid-gas interface. घ(d) The viscosity of the liquid.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

925. Which of the following reaction conditions would favor the formation of ammonia (NH₃) according to the balanced chemical equation: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

     क(a) Increasing the volume of the container. ख(b) Decreasing the temperature of the reaction mixture. ग(c) Adding more nitrogen gas (N₂) to the reaction. घ(d) Removing ammonia (NH₃) as it is formed.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

926. The compound CH₃CH₂OH (ethanol) can be oxidized using acidified potassium permanganate solution. What is the main product formed in this oxidation?

     क(a) Ethylene ख(b) Dimethyl ether ग(c) Acetaldehyde घ(d) Carbon dioxide
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

927. The percentage by mass of iron (Fe) in hydrated copper sulfate, CuSO₄·5H₂O, is approximately 23.17%. What is the minimum mass of CuSO₄·5H₂O required to obtain 4 g of pure iron?

     क1. 8 g ख2. 16 g ग3. 20 g घ4. 24 g
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

928. If ‘A’ represents 1, ‘B’ represents 2, ‘C’ represents 3, and so on, what is the value of 'ZETA'?

     क26 ख27 ग28 घ29
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

929. A man is facing North. He turns left and walks 5 meters. Then he turns right and walks 3 meters. Where is he now relative to his starting point?

     क5 meters East, 3 meters North ख5 meters West, 3 meters North ग5 meters South, 3 meters East घ5 meters North, 3 meters West
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

930. If ‘+’ means multiply, ‘–’ means divide, ‘×’ means add and ‘÷’ means subtract, what is the result of (8 + 2) × 3 – 6 ÷ 2?

     क30 ख36 ग42 घ48
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।