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

191. Which of the following correctly describes the role of interneurons in the nervous system? (a) They directly conduct impulses between muscles and sensory receptors. (b) They are specialized for rapid transmission across synapses. (c) They process and relay information between other neurons, sensory organs, or effectors. (d) They primarily transmit signals over long distances within the central nervous system.

     क(a) They directly conduct impulses between muscles and sensory receptors. ख(b) They are specialized for rapid transmission across synapses. ग(c) They process and relay information between other neurons, sensory organs, or effectors. घ(d) They primarily transmit signals over long distances within the central nervous system.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

192. The process of metamorphosis observed in amphibians like tadpoles primarily involves changes driven by: (a) Increased oxygen consumption (b) Hormonal regulation and cell differentiation (c) Direct genetic mutations affecting tissue type (d) The accumulation of metabolic waste products

     क(a) Increased oxygen consumption ख(b) Hormonal regulation and cell differentiation ग(c) Direct genetic mutations affecting tissue type घ(d) The accumulation of metabolic waste products
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

193. Which of the following statements best describes the phenomenon of ‘negative geotropy’? (a) Roots grow downwards due to gravity (b) Plant organs tend to move away from the force of gravity (c) Stems exhibit growth in response to gravitational stimulation (d) Seedlings exhibit uniform growth regardless of the orientation

     क(a) Roots grow downwards due to gravity ख(b) Plant organs tend to move away from the force of gravity ग(c) Stems exhibit growth in response to gravitational stimulation घ(d) Seedlings exhibit uniform growth regardless of the orientation
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

194. The primary function of the cilia found in the respiratory tract is: (a) Absorption of nutrients (b) Movement of mucus and trapped particles towards the throat (c) Gas exchange between air and blood (d) Structural support of the airway epithelium

     क(a) Absorption of nutrients ख(b) Movement of mucus and trapped particles towards the throat ग(c) Gas exchange between air and blood घ(d) Structural support of the airway epithelium
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

195. Which of the following best describes the role of mycorrhizae in plant nutrition?

     कA) They directly convert atmospheric nitrogen into usable forms for plants. खB) They enhance water absorption from the soil by increasing the root's surface area. गC) They produce hormones that promote rapid stem growth. घD) They provide protection against fungal infections within the plant tissues.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

196. The term ‘phyllotaxy’ refers to the arrangement of leaves on a stem. What does alternate phyllotaxy mean?

     कA) Leaves arranged in a spiral pattern around the stem. खB) Leaves arranged spirally, with alternating sides having multiple leaves. गC) Leaves arranged one at a time along the stem, with no overlapping. घD) All leaves clustered closely together at the base of the stem.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

197. Which adaptation enables certain plants, like Opuntia, to maximize photosynthetic surface area?

     कA) Production of large, deeply lobed leaves for efficient light capture. खB) Development of a flattened, segmented stem covered in spines for sunlight exposure. गC) Formation of extensive root systems that reach deep into the soil for water and nutrients. घD) A waxy cuticle layer covering the leaf surface to reduce water loss.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

198. The process of osmosis involves the movement of water across a semi-permeable membrane. Which of the following best describes this movement?

     कA) Movement of solute molecules from an area of high concentration to low concentration. खB) Movement of water molecules from an area of high water potential to low water potential. गC) Movement of molecules driven by active transport mechanisms. घD) Movement of ions across the membrane requiring energy input.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

199. Carborundum (silicon carbide, SiC) is a widely used abrasive material. Its hardness stems primarily from:

     कIts amorphous structure खThe strong covalent bonding between silicon and carbon atoms गIts high electrical conductivity घIts ability to form stable solutions
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

200. What is the missing term in the series: 2, 4, 8, 16, ?

     क24 ख32 ग40 घ48
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।