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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Household appliances are connected in parallel mainly because:
सही उत्तर: क) each gets the full supply voltage and can be switched independently
In parallel every appliance gets the same mains voltage, and one can be turned off without affecting the others.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A good fuse wire should have:
सही उत्तर: ग) a low melting point
When excess current flows, the fuse wire must heat up and melt quickly, breaking the circuit.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An object is placed 30 cm in front of a convex lens of focal length 15 cm. The image is formed:
सही उत्तर: क) 30 cm behind the lens, real, inverted and of the same size
The object is at 2f, so 1/v = 1/15 − 1/30 = 1/30 gives v = 30 cm; m = −1 (real, inverted, same size).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The warmth we feel when sitting near a fire is mainly due to:
सही उत्तर: ख) infrared radiation
Hot bodies emit most of their heat radiation in the infrared region.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Leaves look green because chlorophyll:
सही उत्तर: ग) absorbs mainly red and blue light and reflects green light
Chlorophyll absorbs strongly in the blue and red regions used for photosynthesis, and green light is largely reflected.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The least distance of distinct vision for a normal human eye is about:
सही उत्तर: घ) 25 cm
A normal eye sees nearby objects most clearly at about 25 cm (the near point); its far point is at infinity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The ability of the eye to focus on both near and distant objects by changing the focal length of its lens is called:
सही उत्तर: ख) accommodation
The ciliary muscles change the curvature of the eye lens, adjusting its focal length.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A red rose is seen in pure green light. It appears:
सही उत्तर: घ) black
The rose reflects only red light; with no red in the incident light, it reflects almost nothing and looks black.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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When red light and green light are mixed in equal intensity, the colour seen is:
सही उत्तर: क) yellow
Red + green = yellow in additive colour mixing.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary colours of light are:
सही उत्तर: ख) red, green and blue
Mixing red, green and blue light in suitable proportions gives all other colours, including white.
💬 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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