कृषि, पशु र वन विज्ञान प्रवेश
कृषि, पशु र वन विज्ञान प्रवेश
Agriculture, Veterinary & Forestry Entrance · २,४९३ प्रश्न
२,४९३ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कृषि/वन 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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A batch of broilers ate 3.6 kg of feed per bird and gained 2.0 kg body weight per bird. The feed conversion ratio (FCR) is:
सही उत्तर: ग) 1.8
FCR = feed consumed / weight gain = 3.6 / 2.0 = 1.8. A lower FCR means more efficient feed use; 0.56 is the inverse ratio.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In HTST pasteurization, milk is heated to:
सही उत्तर: ख) 72 °C for 15 seconds
High Temperature Short Time pasteurization uses at least 72 °C for 15 seconds. The low-temperature (LTLT) method uses 63 °C for 30 minutes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Bull semen for artificial insemination is stored in liquid nitrogen at about:
सही उत्तर: क) -196 °C
Liquid nitrogen boils at about -196 °C, which keeps frozen semen viable for years. -18 °C is ordinary deep-freezer temperature.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Ranikhet disease of poultry is also known as:
सही उत्तर: घ) Newcastle disease
Ranikhet disease is the Indian name for Newcastle disease, caused by a paramyxovirus. Gumboro is infectious bursal disease.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Foot-and-mouth disease of cattle is caused by a:
सही उत्तर: ग) virus
FMD is caused by an aphthovirus and spreads rapidly among cloven-hoofed animals. Anthrax, by contrast, is a bacterial disease.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Milk fever in recently calved cows is mainly caused by a sudden fall in blood:
सही उत्तर: ख) calcium
Milk fever (parturient paresis) is hypocalcaemia caused by heavy calcium drain into colostrum. It is treated with intravenous calcium borogluconate.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The largest compartment of a cow's stomach is the:
सही उत्तर: क) rumen
The rumen is a large fermentation chamber where microbes digest cellulose. The abomasum is the true glandular stomach.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The gestation period of a sow (pig) is about:
सही उत्तर: घ) 114 days
Pig gestation is about 114 days, remembered as '3 months, 3 weeks and 3 days'. 150 days is typical for goats and sheep.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The average gestation period of a cow is about:
सही उत्तर: ग) 280 days
A cow carries its calf for about 280-285 days (about 9 months). About 114 days is for a sow, 150 days for a goat, and about 310 days for a buffalo.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Sakini, Ghanti Khuile and Puwakh Ulte are indigenous breeds of:
सही उत्तर: ख) chicken
These are native chicken breeds of Nepal, valued for hardiness and adaptation to backyard rearing. Khari, Sinhal and Terai are native goat breeds.
💬 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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