जीव विज्ञान – Zoology – Zoology MCQ
जीव विज्ञान – Zoology – CEE प्रवेश
Zoology · Medical Entrance (CEE) – Physics, Chemistry, Biology & MAT · ४०८ प्रश्न
४०८ प्रश्न उपलब्ध। मोड छान्नुहोस्:
जीव विज्ञान – Zoology: 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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Which of the following is NOT a fundamental character of chordates?
सही उत्तर: क) Ventral, solid, double nerve cord
Chordates have a notochord, a dorsal hollow single nerve cord and pharyngeal gill slits; a ventral solid double nerve cord is a non-chordate feature.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The air bladder present in most bony fishes mainly helps in:
सही उत्तर: क) regulating buoyancy
The air (swim) bladder adjusts the fish's density so that it can stay at a given depth without effort.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Torpedo, a fish that can give a strong electric shock to its prey, is a/an:
सही उत्तर: ख) cartilaginous fish (electric ray)
Torpedo (electric ray) belongs to Chondrichthyes and has electric organs that can produce strong shocks.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Pteropus, the 'flying fox', is a/an:
सही उत्तर: ख) mammal
Pteropus is a fruit bat; bats are the only mammals capable of true flight.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The sound-producing organ (voice box) of birds is the:
सही उत्तर: ग) syrinx
Birds produce sound with the syrinx, located where the trachea divides into the bronchi; the larynx is the voice box of mammals.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following snakes is venomous?
सही उत्तर: क) Naja (cobra)
Naja (cobra) is a venomous elapid; pythons, rat snakes and blind snakes are non-venomous.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Ichthyophis, a burrowing vertebrate without limbs, is a/an:
सही उत्तर: घ) amphibian
Ichthyophis is a limbless amphibian of the order Apoda (Gymnophiona).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Adult echinoderms are radially symmetrical. Their larvae are:
सही उत्तर: ख) bilaterally symmetrical
Echinoderm larvae (e.g. bipinnaria) are bilaterally symmetrical, showing their bilateral ancestry; the adults become pentamerous radial.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Octopus, commonly called the 'devil fish', belongs to the phylum:
सही उत्तर: घ) Mollusca
Despite its common name, Octopus is a cephalopod mollusc, not a fish.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Book lungs are the respiratory organs of:
सही उत्तर: ख) scorpions and spiders
Arachnids such as scorpions and spiders breathe by book lungs; insects use tracheae and crustaceans use gills.
💬 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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