कृषि, पशु र वन विज्ञान B.Sc. Forestry प्रवेश तयारी
कृषि, पशु र वन विज्ञान – B.Sc. Forestry प्रवेश
B.Sc. Forestry Entrance · Agriculture, Veterinary & Forestry Entrance
२,४९३ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कृषि, पशु र वन विज्ञान 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
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The joint between the atlas and axis vertebrae, which allows the head to turn sideways, is a:
सही उत्तर: ख) Pivot joint
The atlas rotates around the odontoid process of the axis, forming a pivot joint.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Atrial natriuretic factor (ANF), released by the walls of the heart atria, causes:
सही उत्तर: ख) Vasodilation and a fall in blood pressure
ANF dilates blood vessels and promotes sodium excretion, so it acts as a check on the renin-angiotensin mechanism.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Aldosterone, secreted by the adrenal cortex, increases the reabsorption of:
सही उत्तर: घ) Sodium ions in the distal tubule
Aldosterone (a mineralocorticoid) promotes Na+ and water reabsorption from the distal parts of the nephron.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The glomerulus together with Bowman's capsule is called the:
सही उत्तर: क) Malpighian (renal) corpuscle
The renal (Malpighian) corpuscle consists of the glomerulus and the surrounding Bowman's capsule.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which organ is known as the 'graveyard of red blood cells'?
सही उत्तर: ख) Spleen
Old and worn-out red blood cells are destroyed mainly in the spleen.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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During blood clotting, the enzyme thrombin converts:
सही उत्तर: ख) Fibrinogen into fibrin
Thrombin acts on soluble fibrinogen to form insoluble fibrin threads that trap blood cells.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A person with which blood group is called a 'universal recipient'?
सही उत्तर: घ) AB positive
AB+ blood has no anti-A, anti-B or anti-Rh antibodies, so it can receive red cells of any ABO and Rh type.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Bilirubin, a pigment of bile, is formed from the breakdown of:
सही उत्तर: घ) Haemoglobin
When old red blood cells are destroyed, the haem of haemoglobin is converted to biliverdin and bilirubin.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Pepsinogen in the human stomach is secreted by the:
सही उत्तर: ग) Chief (peptic) cells
Chief cells of the gastric glands secrete pepsinogen, the inactive precursor of pepsin.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The synthetic auxin 2,4-D is widely used as a:
सही उत्तर: ख) Weedicide that kills broad-leaved (dicot) weeds
2,4-D (2,4-dichlorophenoxyacetic acid) selectively kills dicot weeds and spares cereal (monocot) crops.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
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