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restriction digestion MCQ Questions for Class 11

restriction digestion se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

55 questions tagged with restriction digestion.

PCR product restriction digestion में purification पहले क्यों की जाती है?

Why is purification done before restriction digestion of PCR product?

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A. polymerase buffer और primers हटाने के लिएTo remove polymerase buffer and primers

Explanation

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PCR mix components restriction enzyme activity को affect कर सकते हैं। Purified product बेहतर digestion देता है। / PCR mix components can affect restriction enzyme activity. Purified product gives better digestion.

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Restriction enzyme digestion में enzyme stock को contaminate होने से बचाना क्यों जरूरी है?

Why is it important to prevent contamination of enzyme stock in restriction enzyme digestion?

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A. क्योंकि contaminated stock कई reactions खराब कर सकता हैBecause contaminated stock can spoil many reactions

Explanation

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Restriction enzyme stock कई experiments में use होता है। Clean sterile tips और quick handling जरूरी हैं। / Restriction enzyme stock is used in many experiments. Clean sterile tips and quick handling are necessary.

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Restriction digestion में quality control का मुख्य लक्ष्य क्या है?

What is the main goal of quality control in restriction digestion?

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A. cutting result reliable है या नहीं देखनाTo check whether cutting result is reliable

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Quality control से digestion success और errors समझ आते हैं। Controls और expected bands इसमें मदद करते हैं। / Quality control helps understand digestion success and errors. Controls and expected bands help in this.

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Restriction digestion से पहले vector map में selectable marker देखना क्यों उपयोगी है?

Why is it useful to check selectable marker in a vector map before restriction digestion?

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A. marker को damage होने से बचाने के लिएTo avoid damaging the marker

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Selectable marker transformants की पहचान में मदद करता है। उसे काटने से selection fail हो सकती है। / A selectable marker helps identify transformants. Cutting it can cause selection failure.

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Cutting of DNA topic का अंतिम exam-safe summary क्या है?

What is the final exam-safe summary of Cutting of DNA topic?

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A. restriction enzymes DNA को specific sites पर काटकर cloning के लिए compatible fragments बनाते हैंRestriction enzymes cut DNA at specific sites to make compatible fragments for cloning

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Restriction digestion recombinant DNA technology की central step है। सही enzyme condition controls और gel analysis याद रखें। / Restriction digestion is a central step of recombinant DNA technology. Remember correct enzyme condition controls and gel analysis.

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Restriction digestion में buffer का pH क्यों important है?

Why is buffer pH important in restriction digestion?

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A. enzyme structure और activity support करने के लिएTo support enzyme structure and activity

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Enzyme activity pH से प्रभावित होती है। Correct buffer pH reaction success में मदद करता है। / Enzyme activity is affected by pH. Correct buffer pH helps reaction success.

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Restriction enzyme unit क्यों important है?

Why is restriction enzyme unit important?

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A. enzyme activity amount समझने के लिएTo understand enzyme activity amount

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Enzyme units बताते हैं कि defined conditions में enzyme कितना DNA काट सकता है। Reaction setup में यह useful है। / Enzyme units show how much DNA the enzyme can cut under defined conditions. This is useful in reaction setup.

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Restriction enzyme reaction में incubation temperature बहुत low हो तो क्या हो सकता है?

What can happen if incubation temperature is too low in restriction enzyme reaction?

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A. enzyme activity धीमी हो सकती हैEnzyme activity can be slow

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Low temperature enzyme kinetics घटा सकता है। Optimum temperature use करें। / Low temperature can reduce enzyme kinetics. Use optimum temperature.

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Restriction digestion में reaction volume बहुत छोटा रखने से क्या practical समस्या हो सकती है?

What practical problem can occur if reaction volume is kept too small in restriction digestion?

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A. pipetting error का effect अधिक हो सकता हैPipetting error effect can be larger

Explanation

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बहुत छोटे volumes में small pipetting errors भी concentration बदल सकते हैं। Accurate pipetting जरूरी है। / In very small volumes small pipetting errors can change concentrations. Accurate pipetting is necessary.

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Cutting of DNA level 48 का final summary क्या है?

What is the final summary of Cutting of DNA level 48?

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A. सही enzyme और condition से DNA predictable fragments में कटता है और gel से verify होता हैWith correct enzyme and condition DNA cuts into predictable fragments and is verified by gel

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Restriction digestion cloning planning और verification दोनों में important है। Accurate maps controls और records जरूरी हैं। / Restriction digestion is important in both cloning planning and verification. Accurate maps controls and records are needed.

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Cutting of DNA level 47 का final summary क्या है?

What is the final summary of Cutting of DNA level 47?

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A. सही restriction enzyme से DNA काटकर compatible fragments बनते हैं और gel से verify होते हैंCorrect restriction enzyme cuts DNA to make compatible fragments and they are verified by gel

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Restriction digestion cloning और verification की key step है। सही enzyme condition controls और gel interpretation जरूरी हैं। / Restriction digestion is a key step in cloning and verification. Correct enzyme condition controls and gel interpretation are necessary.

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Restriction digestion की failure troubleshooting में सबसे पहले क्या check कर सकते हैं?

What can be checked first while troubleshooting restriction digestion failure?

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A. enzyme buffer temperature और DNA qualityEnzyme buffer temperature and DNA quality

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Digestion failure अक्सर enzyme condition DNA purity या temperature से जुड़ा हो सकता है। Controls भी check करें। / Digestion failure can often relate to enzyme condition DNA purity or temperature. Check controls too.

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Restriction digestion और PCR में मुख्य अंतर क्या है?

What is the main difference between restriction digestion and PCR?

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A. restriction digestion DNA काटता है और PCR DNA amplify करता हैRestriction digestion cuts DNA and PCR amplifies DNA

Explanation

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Restriction enzyme DNA fragments बनाता है। PCR specific DNA region की copies बनाता है। / Restriction enzyme makes DNA fragments. PCR makes copies of a specific DNA region.

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Cutting of DNA level 46 का safe summary क्या है?

What is the safe summary of Cutting of DNA level 46?

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A. restriction digestion में enzyme condition DNA purity और band pattern महत्वपूर्ण हैंIn restriction digestion enzyme condition DNA purity and band pattern are important

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Good digestion सही enzyme buffer temperature और clean DNA पर निर्भर है। Controls और gel check जरूरी हैं। / Good digestion depends on correct enzyme buffer temperature and clean DNA. Controls and gel check are necessary.

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Restriction digestion के बाद insert purification क्यों की जाती है?

Why is insert purification done after restriction digestion?

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A. insert को बाकी DNA और enzyme से अलग करने के लिएTo separate insert from other DNA and enzyme

Explanation

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Purification desired insert को साफ करती है। इससे ligation और cloning result बेहतर हो सकते हैं। / Purification cleans the desired insert. This can improve ligation and cloning results.

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Restriction digestion में substrate DNA का अर्थ क्या है?

What does substrate DNA mean in restriction digestion?

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A. वह DNA जिसे enzyme काटेगाThe DNA that enzyme will cut

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Substrate DNA reaction में cutting target होता है। Enzyme recognition site इसी DNA पर खोजता है। / Substrate DNA is the cutting target in the reaction. The enzyme looks for recognition site on this DNA.

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Star activity restriction enzyme में क्या है?

What is star activity in a restriction enzyme?

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D. normal site के अलावा similar sites पर cuttingCutting at similar sites besides the normal site

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Star activity में enzyme specificity घट सकती है। गलत buffer या excess enzyme इसका कारण बन सकते हैं। / In star activity enzyme specificity can decrease. Wrong buffer or excess enzyme can cause it.

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Restriction digestion में no-enzyme control क्या दिखाता है?

What does a no-enzyme control show in restriction digestion?

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A. enzyme के बिना DNA का patternDNA pattern without enzyme

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No-enzyme control uncut DNA pattern देता है। इससे enzyme cutting effect compare होता है। / A no-enzyme control gives the uncut DNA pattern. It helps compare the cutting effect of enzyme.

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Restriction digestion control क्यों लगाया जाता है?

Why is a restriction digestion control used?

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A. result interpretation सही करने के लिएTo interpret results correctly

Explanation

Simple Explanation

Control से पता चलता है कि DNA और enzyme reaction सही चल रही है या नहीं। यह troubleshooting में मदद करता है। / A control shows whether DNA and enzyme reaction are working properly. It helps troubleshooting.

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Restriction digestion में heat inactivation का क्या उद्देश्य हो सकता है?

What can be the purpose of heat inactivation in restriction digestion?

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C. enzyme activity रोकनाStopping enzyme activity

Explanation

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कुछ enzymes heat treatment से inactive किए जा सकते हैं। इससे next step में unwanted cutting रुकती है। / Some enzymes can be inactivated by heat treatment. This stops unwanted cutting in the next step.

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Restriction digestion में enzyme quantity बहुत कम हो तो क्या हो सकता है?

What can happen if enzyme quantity is too low in restriction digestion?

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A. complete digestion नहीं हो सकतीComplete digestion may not occur

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कम enzyme incomplete digestion दे सकता है। Reaction setup में enzyme amount important है। / Too little enzyme can give incomplete digestion. Enzyme amount is important in reaction setup.

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HindIII किससे जुड़ा है?

HindIII is linked with what?

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B. restriction digestion

Explanation

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HindIII एक restriction enzyme है। यह specific recognition site पर DNA काटता है। / HindIII is a restriction enzyme. It cuts DNA at a specific recognition site.

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डीएनए cutting से पहले DNA purity क्यों important है?

Why is DNA purity important before DNA cutting?

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A. impurities enzyme को inhibit कर सकती हैंImpurities can inhibit the enzyme

Explanation

Simple Explanation

Phenol salt या ethanol जैसे contaminants enzyme activity घटा सकते हैं। Clean DNA digestion के लिए बेहतर है। / Contaminants such as phenol salt or ethanol can reduce enzyme activity. Clean DNA is better for digestion.

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एक restriction enzyme के recognition site न होने पर क्या होगा?

What happens if a DNA molecule lacks the recognition site of a restriction enzyme?

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A. DNA उसी enzyme से specific तरीके से नहीं कटेगाDNA will not be specifically cut by that enzyme

Explanation

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Restriction enzyme अपने recognition site के बिना cut नहीं कर सकता। इसलिए sequence information important है। / A restriction enzyme cannot cut without its recognition site. Therefore sequence information is important.

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Restriction enzyme reaction में temperature क्यों नियंत्रित किया जाता है?

Why is temperature controlled in a restriction enzyme reaction?

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D. enzyme activity को सही रखने के लिएTo maintain proper enzyme activity

Explanation

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हर enzyme का optimum temperature होता है। गलत temperature cutting efficiency घटा सकता है। / Each enzyme has an optimum temperature. Wrong temperature can reduce cutting efficiency.

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डीएनए cutting के बाद बने टुकड़ों को क्या कहते हैं?

What are the pieces formed after DNA cutting called?

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A. डीएनए fragmentsDNA fragments

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Restriction digestion के बाद DNA fragments बनते हैं। इन्हें gel electrophoresis से देखा जा सकता है। / After restriction digestion DNA fragments are formed. They can be seen by gel electrophoresis.

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Blunt end का अर्थ क्या है?

What does blunt end mean?

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D. बिना overhang वाला सीधा DNA endStraight DNA end without overhang

Explanation

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Blunt ends में कोई single-stranded overhang नहीं होता। ये भी ligate हो सकते हैं पर sticky ends की तुलना में कठिन हो सकते हैं। / Blunt ends have no single-stranded overhang. They can ligate but may be harder than sticky ends.

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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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Restriction digestion के लिए DNA sample कैसा होना चाहिए?

What kind of DNA sample is needed for restriction digestion?

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C. enzyme-compatible clean DNA

Explanation

Simple Explanation

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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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

Explanation

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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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