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

451. A man has two sons. Each son has the same number of brothers and sisters. The man himself has one brother and three sisters. How many children are there in total?

     क4 ख5 ग6 घ7
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

452. If the sequence is: 1, 3, 5, 7, 9… what is the next term?

     क11 ख13 ग15 घ17
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

453. A farmer has chickens and cows. He has a total of 20 animals and 70 legs. How many chickens does he have?

     क5 ख10 ग15 घ20
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

454. The addition of a small amount of potassium iodide (KI) to a solution containing silver nitrate (AgNO₃) results in the formation of a pale yellow precipitate. What is the primary reason for this observation?

     कSilver ions form covalent bonds with iodine खThe reaction is exothermic and generates heat that causes light emission गIodide ions displace silver ions from solution घThe presence of KI increases the solubility of silver nitrate
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

455. What is the major product formed when propanal (CH₃CHO) reacts with sodium hydroxide (NaOH)?

     कSodium propaneate खPropanol ग1-propanol घPropanoic acid
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

456. Which of the following statements best explains why NaCl is soluble in water?

     कNaCl has weak intermolecular forces खNaCl forms strong ion-dipole interactions with water molecules गNaCl increases the vapor pressure of water घNaCl decreases the viscosity of water
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

457. The process of converting primary alcohols to aldehydes using mild alkali metal hydrides like NaBH₄ is called ______.

     कReduction खOxidation गEsterification घHydrolysis
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

458. Which of the following cellular structures is MOST directly involved in the process of aerobic respiration generating ATP?

     कA) Ribosomes – Responsible for protein synthesis. खB) Golgi Apparatus – Modifying proteins and lipids. गC) Mitochondria – Containing the electron transport chain. घD) Endoplasmic Reticulum - Transporting materials within the cell.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

459. In mammals, which hormone is primarily responsible for maintaining calcium homeostasis and regulating bone mineralization?

     कA) Insulin - Directly affecting bone cell activity. खB) Parathyroid Hormone (PTH) – Increasing blood calcium levels. गC) Thyroxine – Primarily involved in metabolic regulation. घD) Adrenaline - Affecting calcium absorption from the gut.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

460. Which of the following best describes the role of the myelin sheath in nerve impulse transmission?

     कA) It increases the resistance to electrical conductivity. खB) It insulates the axon, allowing for faster signal propagation. गC) It directly generates the electrical impulses in neurons. घD) It prevents neurotransmitters from binding to receptors.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।