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गुरुलाई देवता समान सम्मान गर। (तैत्तिरीय उपनिषद्)

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जीव विज्ञान – Zoology – Zoology MCQ

जीव विज्ञान – Zoology – CEE प्रवेश

Zoology · Medical Entrance (CEE) – Physics, Chemistry, Biology & MAT · ४०८ प्रश्न

४०८ प्रश्न उपलब्ध। मोड छान्नुहोस्:

जीव विज्ञान – Zoology: प्रश्न र उत्तर

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

  1. The sino-atrial node (SAN), often referred to as the 'pacemaker', of the human heart initiates electrical impulses that trigger heart contractions. What is the primary mechanism responsible for this rhythmic activity?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  2. Which endocrine cell within the testis directly produces testosterone?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  3. In mammalian nephron, nearly all essential nutrients (around 98%) along with approximately 70-80% of filtered electrolytes are reabsorbed in which region?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  4. The type of cell junction found between adjacent epithelial cells that tightly controls permeability is termed as:

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  5. Which organelle is responsible for degrading damaged or worn-out cellular components within a cell?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  6. The process of autophagy involves the degradation and recycling of damaged cellular components. Which organelle plays a central role in this process? (A) Endoplasmic Reticulum (B) Golgi Apparatus (C) Lysosome (D) Peroxisome

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  7. Which of the following is a key characteristic distinguishing prokaryotic cells from eukaryotic cells? (A) Presence of membrane-bound organelles. (B) Containment of DNA within a nucleus. (C) Smaller size compared to eukaryotic cells. (D) Ribosomes are present in both types of cells.

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  8. Which of the following cellular structures is primarily responsible for maintaining cell volume by regulating the movement of water in and out of the cell? (A) Ribosomes (B) Mitochondria (C) Cell Membrane (Plasma Membrane) (D) Nucleus

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  9. The process of oogenesis (formation of female gametes) is initiated during which phase of the menstrual cycle? (A) Menstruation (B) Follicular Phase (C) Ovulation (D) Luteal Phase

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  10. Which of the following statements best describes the function of cilia in respiratory epithelium? (A) They facilitate gas exchange between air and blood. (B) They propel mucus and trapped particles towards the pharynx for removal. (C) They provide structural support to the epithelial cells. (D) They enhance nutrient absorption from the inhaled air.

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    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।