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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 141/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

अगर DNA purity खराब है लेकिन yield high है तो क्या करना चाहिए?

If DNA purity is poor but yield is high what should be done?

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A. additional cleanup consider करेंConsider additional cleanup

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High yield के बावजूद impurities reactions रोक सकती हैं। Cleanup से sample usable हो सकता है। / Despite high yield impurities can inhibit reactions. Cleanup can make the sample usable.

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Question 142/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA cleanup का उद्देश्य क्या है?

What is the purpose of DNA cleanup?

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A. inhibitors और impurities हटानाRemoving inhibitors and impurities

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Cleanup residual salts proteins phenol या ethanol हटाने में मदद करता है। इससे downstream reactions बेहतर होती हैं। / Cleanup helps remove residual salts proteins phenol or ethanol. This improves downstream reactions.

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Question 143/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA isolation के बाद restriction digestion के लिए क्या जरूरी है?

What is needed for restriction digestion after DNA isolation?

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A. enzyme-compatible clean DNA

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Restriction enzymes impurities से inhibit हो सकते हैं। Clean DNA और suitable buffer जरूरी हैं। / Restriction enzymes can be inhibited by impurities. Clean DNA and suitable buffer are necessary.

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Question 144/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA isolation में PCR inhibitors किससे आ सकते हैं?

Where can PCR inhibitors come from in DNA isolation?

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A. plant compounds salts phenol या ethanol सेFrom plant compounds salts phenol or ethanol

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PCR inhibitors amplification रोक सकते हैं। Proper cleanup और dilution मदद कर सकते हैं। / PCR inhibitors can stop amplification. Proper cleanup and dilution can help.

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Question 145/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA isolation में dilution कब helpful हो सकती है?

When can dilution be helpful in DNA isolation work?

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A. inhibitors की effect घटाने या concentration adjust करने मेंTo reduce inhibitor effect or adjust concentration

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Dilution template amount और inhibitor concentration दोनों adjust कर सकती है। PCR setup में यह useful है। / Dilution can adjust both template amount and inhibitor concentration. It is useful in PCR setup.

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Question 146/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA sample को बार-बार pipette tip से खींचना क्यों avoid करना चाहिए?

Why should repeatedly drawing a DNA sample through a pipette tip be avoided?

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A. shearing risk कम करने के लिएTo reduce shearing risk

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Repeated pipetting long DNA को shear कर सकती है। Gentle mixing DNA integrity बचाती है। / Repeated pipetting can shear long DNA. Gentle mixing preserves DNA integrity.

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Question 147/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA isolation में low-bind tubes कब उपयोगी हो सकती हैं?

When can low-bind tubes be useful in DNA isolation?

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A. कम मात्रा वाले DNA sample में loss घटाने के लिएTo reduce loss in low amount DNA sample

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Low-bind tubes DNA adsorption loss कम कर सकती हैं। यह low-yield samples में helpful है। / Low-bind tubes can reduce DNA adsorption loss. This is helpful in low-yield samples.

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Question 148/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

DNA isolation का final product कैसा होना चाहिए?

What should the final product of DNA isolation be like?

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A. usable pure और stable DNAUsable pure and stable DNA

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अंतिम DNA downstream प्रयोगों के लिए पर्याप्त मात्रा और quality में होना चाहिए। Purity integrity और storage important हैं। / Final DNA should have enough amount and quality for downstream experiments. Purity integrity and storage are important.

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Question 149/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

Level 41 का best exam-safe revision chain क्या है?

What is the best exam-safe revision chain of Level 41?

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A. sample disruption lysis cleanup precipitation elution quality control

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DNA isolation में sample से purified DNA तक stepwise process होता है। Quality control अंतिम उपयोग से पहले जरूरी है। / DNA isolation is a stepwise process from sample to purified DNA. Quality control is necessary before final use.

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Question 150/294 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 41

Isolation of DNA topic का final summary क्या है?

What is the final summary of the Isolation of DNA topic?

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A. कोशिका से DNA निकालकर impurities हटाकर usable DNA प्राप्त करनाExtract DNA from cells remove impurities and obtain usable DNA

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DNA isolation recombinant DNA technology की foundation step है। Clean intact DNA आगे PCR cloning और analysis में काम आता है। / DNA isolation is a foundation step of recombinant DNA technology. Clean intact DNA is useful in PCR cloning and analysis.

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