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
२,४७० 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 number of neutrons in the isotope chlorine-37 (atomic number 17) is:
सही उत्तर: क) 20
Neutrons = 37 − 17 = 20. Chlorine-35, the other common isotope, has 18 neutrons.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Deficiency of vitamin C causes:
सही उत्तर: ग) Scurvy
Vitamin C (ascorbic acid) is needed for collagen, and its lack causes bleeding gums (scurvy). Rickets is caused by vitamin D deficiency.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which is the largest gland in the human body?
सही उत्तर: ग) Liver
The liver is the largest gland and also stores glycogen and detoxifies substances. The thyroid is the largest purely endocrine gland.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In adult humans, red blood cells are formed mainly in the:
सही उत्तर: ग) Red bone marrow
Erythropoiesis in adults occurs in red bone marrow of bones like the sternum, ribs and vertebrae. The liver forms RBCs in the foetus, and the spleen destroys old RBCs.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Bile is produced by the:
सही उत्तर: ग) Liver
Bile is produced by the liver and only stored and concentrated in the gall bladder. It emulsifies fats but contains no digestive enzymes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Apiculture is the rearing of:
सही उत्तर: क) Honey bees
Apiculture (bee-keeping) produces honey and beeswax and helps crop pollination. Rearing silkworms is sericulture.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The scientific name of the mulberry silkworm is:
सही उत्तर: घ) Bombyx mori
Bombyx mori feeds on mulberry leaves and is reared in sericulture. Antheraea mylitta produces tasar silk, and Kerria lacca is the lac insect.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The heart of a fish has:
सही उत्तर: क) Two chambers
A fish heart has one atrium and one ventricle and pumps only deoxygenated blood (single circulation). Most amphibians have a three-chambered heart.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Kala-azar is caused by:
सही उत्तर: ग) Leishmania donovani
Kala-azar (visceral leishmaniasis) is caused by Leishmania donovani and spread by sand flies. Trypanosoma gambiense causes sleeping sickness.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Malaria is transmitted to humans by the bite of an infected:
सही उत्तर: क) Female Anopheles mosquito
Plasmodium enters humans when a female Anopheles bites, since only females suck blood. Female Culex transmits filariasis.
💬 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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