Nepal Homework Resources

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1. प्राकृतिक धनोट सिद्बान्तका प्रतिपादक को हुन ? (Who is the propounder of theory of natural selection?) (a) चार्ल्स हार्बिन (Charles Darwin) (b) लेमार्क (Lamarck) (c) हययो डी त्रिज (Hugo De Vries) (d) ग्रेगर जोन मेन्डल (Gregor Johann Mendel) 2. सधर्मी अइ्यको उदाहरण कुन हो ? (Which is the example of homologus organs?) (a) मानिसको हात ₹ घोडाको अगाडिको बुद्टा (Human hand and fore limb of horse) (b) मानिसको हात र हात्तीको दारा (Human hand and tusk of elephant) (c) मानिसको कान ₹ खरायोको कान (Human's ear and rabbit's ear) (d) मानिस र सिंहमा पाइने कुकुर दौँत (Canine teeth in human and lion) 3. जीवावशेष कुन चट्टानमा पाइन्छ ? (In which rocks are fossils found?) (a) पत्रे चद्टान (Sedimentary rock) (b) आर्नेय चद्टान (Igeneous rock) (c) परिवर्तित चद्टान (Metamorphic rock) (d) ज्वालामुखी बट्टान (Volcanic rock) 4. बंशाणु संरचनामा परिवर्तन भई सन्ततिहरूमा नयाँ गुण देखिने प्रक्रियालाई के भनिन्घ ? What is called for the process of appearing new character due to change in genetic meterials? (a) क्रम विकास (Evolution) (b) उत्परिवर्तन (Mutation) (c) परिवृत्ति (Variation) (d) अवरोषाह्या (Vestig 5. तलका मध्ये उत्परिवर्तनको सिद्धान्त कुन होइन ? (Which of the following is not the principle of mutation?) (a) नयाँ जातिको उत्पत्ति उत्परिवर्तनको कारणले पनि हुन्ध । (Origin of new species is also due to mutation.) (b) सबै उत्परिवर्तनहरू अर्को वंशमा सरेर जान्छन् । (All mutations can transmit into next generation.) (c) उत्परिवर्तनबाट आएका गुणहरू लुप्त हुन्छन् । (The characteristics developed from mutation are recessive.) (d) परिवृत्ति धेरै भएमा नयाँ जातिको उत्पत्ति हुन्छ। (The more mutation results the evolution of new species.) Blastogenic परिवृत्ति सम्बन्धमा तलका मध्ये कुन भनाई सही छ ? Which of the following statement is correct about Blastogenic variation? (a) यो एउटा वंशबाट अर्को वंशमा सरेर जदैन् । (It doesn't pass from one generation to next.) (b) यो एउटा वंशबाट अर्को वंशमा सरेर जान्छ । (It passes from one generation to next.)
Biology Mar 30, 2025
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