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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Adrenaline and noradrenaline, the 'fight or flight' hormones, are secreted by the:
सही उत्तर: घ) Adrenal medulla
The adrenal medulla secretes catecholamines (adrenaline and noradrenaline) during emergencies.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Calcitonin, a hormone that lowers blood calcium, is secreted by the:
सही उत्तर: ख) Parafollicular (C) cells of the thyroid
Calcitonin (thyrocalcitonin) is produced by the parafollicular C cells of the thyroid and opposes parathormone.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Excess secretion of growth hormone in an adult, after the growth plates have closed, causes:
सही उत्तर: ग) Acromegaly
In adults, excess GH enlarges bones of the face, hands and feet (acromegaly); in children it causes gigantism.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Addison's disease is caused by:
सही उत्तर: क) Hyposecretion of hormones of the adrenal cortex
Addison's disease results from deficient secretion of adrenal cortical hormones (glucocorticoids and mineralocorticoids), causing weakness, low BP and bronzed skin.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Melatonin, which helps regulate the day-night (diurnal) rhythm, is secreted by the:
सही उत्तर: ख) Pineal gland
The pineal gland secretes melatonin, which influences sleep-wake cycles and body rhythms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The hormone that stimulates contraction of uterine muscles during childbirth and ejection of milk is:
सही उत्तर: घ) Oxytocin
Oxytocin, released from the posterior pituitary, causes uterine contraction during parturition and milk ejection.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The smallest bone in the human body is the:
सही उत्तर: क) Stapes
The stapes (stirrup), one of the three middle-ear ossicles, is the smallest bone of the body.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The part of the retina that contains only cones and gives the sharpest vision is the:
सही उत्तर: घ) Fovea centralis
The fovea, in the centre of the yellow spot, is packed with cones and is the point of greatest visual acuity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many pairs of cranial nerves and spinal nerves, respectively, are found in humans?
सही उत्तर: ग) 12 and 31
Humans have 12 pairs of cranial nerves and 31 pairs of spinal nerves.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The band of nerve fibres that connects the right and left cerebral hemispheres is the:
सही उत्तर: ख) Corpus callosum
The corpus callosum is a thick band of commissural fibres joining the two cerebral hemispheres.
💬 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।
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