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Biotechnology Isolation of DNA MCQ Questions for Class 11 General

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01 Practice Topic Cutting of DNA 592 MCQs

Isolation of DNA Practice Questions

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Question 281/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA isolation में degraded sample से PCR फिर भी कब possible हो सकता है?

When can PCR still be possible from a degraded DNA sample?

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A. अगर target छोटा fragment होIf target is a short fragment

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Degraded DNA में छोटे fragments बचे हो सकते हैं। Short amplicon PCR कभी possible होता है। / Short fragments may remain in degraded DNA. Short amplicon PCR can sometimes be possible.

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Question 282/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

Long-read sequencing के लिए DNA isolation में क्या अधिक महत्वपूर्ण है?

What is more important in DNA isolation for long-read sequencing?

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A. high molecular weight intact DNA

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Long-read sequencing को लंबे intact DNA fragments चाहिए। Shearing से बचना बहुत important है। / Long-read sequencing needs long intact DNA fragments. Avoiding shearing is very important.

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Question 283/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

Short-read sequencing के लिए DNA isolation में क्या जरूरी रहता है?

What remains important in DNA isolation for short-read sequencing?

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A. clean DNA और correct concentrationClean DNA and correct concentration

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Short-read sequencing में भी contaminants library preparation को affect कर सकते हैं। Clean quantified DNA जरूरी है। / Even in short-read sequencing contaminants can affect library preparation. Clean quantified DNA is necessary.

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Question 284/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA isolation में downstream application का मतलब क्या है?

What does downstream application mean in DNA isolation?

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A. DNA मिलने के बाद किया जाने वाला प्रयोगExperiment done after obtaining DNA

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PCR cloning sequencing जैसे प्रयोग downstream applications हैं। DNA quality इनके अनुसार चाहिए। / PCR cloning sequencing are downstream applications. DNA quality is needed according to them.

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Question 285/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

किस downstream application को highly pure DNA की जरूरत होती है?

Which downstream application needs highly pure DNA?

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A. PCR और restriction digestionPCR and restriction digestion

Explanation

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PCR और restriction digestion impurities से inhibit हो सकते हैं। इसलिए clean DNA जरूरी है। / PCR and restriction digestion can be inhibited by impurities. Therefore clean DNA is needed.

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Question 286/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA isolation के बाद sample को खुला छोड़ने से क्या risk है?

What is the risk of leaving a DNA sample open after isolation?

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A. contamination और evaporationContamination and evaporation

Explanation

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Open sample contaminants ले सकता है और volume कम हो सकता है। Tube को properly close और store करें। / An open sample can take contaminants and lose volume. Close and store the tube properly.

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Question 287/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA storage में repeated freeze-thaw क्यों avoid किया जाता है?

Why is repeated freeze-thaw avoided in DNA storage?

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A. DNA damage या degradation risk कम करने के लिएTo reduce risk of DNA damage or degradation

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बार-बार freeze-thaw DNA integrity को प्रभावित कर सकता है। Aliquots बनाना बेहतर है। / Repeated freeze-thaw can affect DNA integrity. Making aliquots is better.

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Question 288/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA sample में storage date लिखना क्यों जरूरी है?

Why is writing storage date on a DNA sample important?

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A. sample age और tracking के लिएFor sample age and tracking

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Date से पता चलता है sample कब isolated या stored हुआ। यह quality tracking में मदद करता है। / The date shows when the sample was isolated or stored. It helps in quality tracking.

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Question 289/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA isolation report में कौन सी values लिखना useful है?

Which values are useful to write in a DNA isolation report?

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A. yield purity ratio और storage detailYield purity ratio and storage detail

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Report में DNA amount purity ratios और storage condition लिखना useful है। इससे future use आसान होता है। / It is useful to record DNA amount purity ratios and storage condition in a report. This helps future use.

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Question 290/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 44

DNA isolation में result reproducibility कैसे बढ़ती है?

How is result reproducibility increased in DNA isolation?

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A. standard protocol और good records सेBy standard protocol and good records

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Standard protocol और records experiment repeat करने में मदद करते हैं। इससे reliable results मिलते हैं। / A standard protocol and records help repeat the experiment. This gives reliable results.

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