चिकित्सा शिक्षा आयोग (CEE) बीएस्सी नर्सिङ र बीएनएस प्रवेश तयारी
चिकित्सा शिक्षा आयोग (CEE) – बीएस्सी नर्सिङ र बीएनएस प्रवेश
B.Sc. Nursing & BNS Entrance · Medical Education Commission – CEE
२,०३९ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MBBS/BDS/Nursing 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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Lichens are sensitive indicators of air pollution, especially by:
सही उत्तर: क) Sulphur dioxide
Lichens do not grow in areas polluted with sulphur dioxide, so they are used as pollution indicators. Oxygen and nitrogen are normal components of air.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The genetic material of Tobacco Mosaic Virus (TMV) is:
सही उत्तर: ख) Single-stranded RNA
TMV has single-stranded RNA enclosed in a protein coat. Most plant viruses contain RNA, whereas bacteriophages usually have double-stranded DNA.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Viroids differ from viruses in that viroids:
सही उत्तर: ख) Are free RNA without a protein coat
Viroids, discovered by T.O. Diener, are small free RNA molecules lacking a capsid. Viruses have a protein coat around their nucleic acid.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The basic unit of taxonomic classification is:
सही उत्तर: ग) Species
Species is the basic unit of classification; similar species are grouped into a genus. Genus is the next higher category.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Binomial nomenclature was introduced by:
सही उत्तर: क) Carolus Linnaeus
Linnaeus popularised the two-part (genus + species) naming system in Species Plantarum. Whittaker is known for the five-kingdom classification.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The five-kingdom system of classification was proposed by:
सही उत्तर: घ) R.H. Whittaker
R.H. Whittaker proposed the five kingdoms (Monera, Protista, Fungi, Plantae, Animalia) in 1969. Linnaeus used a two-kingdom system.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which gymnosperm is often called a 'living fossil'?
सही उत्तर: घ) Ginkgo biloba
Ginkgo biloba is the sole surviving species of an ancient group, so it is called a living fossil. Pinus, Cedrus and Abies are common Himalayan conifers.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The tallest gymnosperm, the redwood tree, belongs to the genus:
सही उत्तर: घ) Sequoia
Sequoia (redwood) is among the tallest trees in the world. Cycas is a small palm-like gymnosperm.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The endosperm of gymnosperms is:
सही उत्तर: ग) Haploid
In gymnosperms the endosperm is the female gametophyte tissue formed before fertilisation, so it is haploid. Triploid endosperm results from double fertilisation in angiosperms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Mycorrhiza found in the roots of Pinus is a symbiotic association between:
सही उत्तर: ग) A fungus and the root
Mycorrhiza is a fungus–root association that helps absorb water and minerals, especially phosphorus. An alga–fungus association is a lichen.
💬 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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