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Class 11 Biotechnology - Processes Of Recombinant Dna Technology - Cutting of DNA Easy Quiz

Level 47 • 48/50 questions • 40 seconds per question.

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Recombinant DNA बनाने में DNA cutting का immediate purpose क्या है?

What is the immediate purpose of DNA cutting in making recombinant DNA?

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A. insert और vector को compatible बनानाMaking insert and vector compatible

Explanation

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Cutting insert और vector को ऐसे ends देता है जो जुड़ सकते हैं। इसके बाद ligation step आता है। / Cutting gives insert and vector ends that can join. Ligation follows this step.

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Insert release restriction digestion में क्या अर्थ रखता है?

What does insert release mean in restriction digestion?

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B. desired DNA fragment को vector या source DNA से अलग करनाSeparating desired DNA fragment from vector or source DNA

Explanation

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Insert release में desired fragment restriction sites से cut होकर अलग होता है। इसे gel से purify किया जा सकता है। / In insert release the desired fragment is cut out by restriction sites. It can be purified from gel.

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Vector backbone का अर्थ क्या है?

What does vector backbone mean?

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C. मुख्य vector DNA जिसमें cloning elements होते हैंMain vector DNA containing cloning elements

Explanation

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Vector backbone में origin marker और cloning site जैसी elements होती हैं। Insert इसी में जोड़ा जाता है। / The vector backbone contains elements like origin marker and cloning site. The insert is joined into it.

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Restriction digestion के बाद vector backbone और insert अलग कैसे देखे जा सकते हैं?

How can vector backbone and insert be seen separately after restriction digestion?

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D. agarose gel electrophoresis सेBy agarose gel electrophoresis

Explanation

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Gel electrophoresis fragments को size के आधार पर अलग करता है। इससे insert और backbone bands दिख सकते हैं। / Gel electrophoresis separates fragments by size. Thus insert and backbone bands can be seen.

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MCS का DNA cutting में क्या role है?

What is the role of MCS in DNA cutting?

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A. कई restriction sites देनाProviding multiple restriction sites

Explanation

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MCS में कई restriction sites होती हैं। इससे suitable enzyme चुनकर insert cloning की जा सकती है। / MCS contains many restriction sites. This allows insert cloning using suitable enzymes.

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Multiple restriction sites वाले vector का लाभ क्या है?

What is the benefit of a vector with multiple restriction sites?

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C. cloning enzyme choice में flexibility देता हैIt gives flexibility in choosing cloning enzymes

Explanation

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Multiple sites अलग-अलग enzymes से cloning की सुविधा देते हैं। यह MCS का बड़ा लाभ है। / Multiple sites allow cloning with different enzymes. This is a major benefit of MCS.

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Restriction site insert के अंदर भी हो तो क्या समस्या हो सकती है?

What problem can occur if a restriction site is also inside the insert?

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D. insert unwanted fragments में कट सकता हैInsert can cut into unwanted fragments

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अगर chosen enzyme insert के अंदर cut करे तो desired gene टूट सकता है। Enzyme choice से पहले sequence check करें। / If the chosen enzyme cuts inside the insert the desired gene can break. Check sequence before enzyme choice.

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Enzyme choice से पहले insert sequence क्यों check की जाती है?

Why is insert sequence checked before enzyme choice?

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A. internal restriction sites से बचने के लिएTo avoid internal restriction sites

Explanation

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Insert में chosen enzyme site हो तो insert टूट सकता है। इसलिए sequence analysis cloning planning में जरूरी है। / If the chosen enzyme site is inside the insert the insert can break. Therefore sequence analysis is needed in cloning planning.

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Restriction digestion से orientation check कैसे हो सकती है?

How can restriction digestion help check orientation?

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B. different band sizes pattern सेBy different band size pattern

Explanation

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Insert orientation के अनुसार restriction sites की distance बदल सकती है। Digest pattern से orientation का संकेत मिलता है। / Depending on insert orientation distances between restriction sites can change. Digest pattern can indicate orientation.

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Diagnostic digest में single enzyme use कब useful हो सकता है?

When can using a single enzyme be useful in diagnostic digest?

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C. plasmid linearization या simple size check के लिएFor plasmid linearization or simple size check

Explanation

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Single cut plasmid को linear form में बदल सकता है। इससे approximate plasmid size check हो सकता है। / A single cut can convert plasmid into linear form. This can help check approximate plasmid size.

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Diagnostic digest में two-enzyme cut का लाभ क्या है?

What is the benefit of a two-enzyme cut in diagnostic digest?

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D. insert size या orientation बेहतर check करनाBetter checking insert size or orientation

Explanation

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Two enzymes expected fragment pattern देते हैं। इससे clone verification अधिक informative हो सकता है। / Two enzymes give an expected fragment pattern. This can make clone verification more informative.

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Restriction digest में plasmid uncut band क्यों दिखाई दे सकता है?

Why can an uncut plasmid band appear in restriction digest?

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A. incomplete digestion के कारणDue to incomplete digestion

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Incomplete digestion में कुछ plasmid uncut रह सकता है। Gel पर uncut और cut forms साथ दिख सकते हैं। / In incomplete digestion some plasmid can remain uncut. Uncut and cut forms can appear together on gel.

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Restriction digest में smear दिखना किसका संकेत हो सकता है?

What can smear in a restriction digest indicate?

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B. degraded DNA या nonspecific cuttingDegraded DNA or nonspecific cutting

Explanation

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Smear DNA degradation या star activity जैसी समस्या दिखा सकता है। Reaction conditions check करें। / A smear can show DNA degradation or a problem like star activity. Check reaction conditions.

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Gel पर expected insert band नहीं दिखे तो क्या संभव है?

What is possible if expected insert band is not seen on gel?

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A. insert absent या digestion failed हो सकता हैInsert may be absent or digestion failed

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Expected band न होना wrong clone partial digestion या low DNA amount का संकेत हो सकता है। Controls से confirm करें। / Absence of expected band can indicate wrong clone partial digestion or low DNA amount. Confirm with controls.

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Restriction digestion के बाद band बहुत faint हो तो क्या कारण हो सकता है?

What can cause a very faint band after restriction digestion?

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B. कम DNA amountLow DNA amount

Explanation

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Low DNA loading से faint bands दिखते हैं। DNA concentration और loading amount check करें। / Low DNA loading gives faint bands. Check DNA concentration and loading amount.

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Restriction digest के बाद बहुत bright smear क्या बताता है?

What can a very bright smear after restriction digest show?

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C. overloaded DNA या degradationOverloaded DNA or degradation

Explanation

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बहुत ज्यादा DNA loading या degraded DNA smear दे सकता है। Gel loading और DNA quality check करें। / Too much DNA loading or degraded DNA can give a smear. Check gel loading and DNA quality.

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Restriction digest result में ladder गलत चुनने से क्या समस्या होगी?

What problem occurs if the wrong ladder is chosen for restriction digest result?

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D. fragment size estimate गलत हो सकता हैFragment size estimate can be wrong

Explanation

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Ladder expected fragment range से match होनी चाहिए। गलत ladder size interpretation को confuse करती है। / The ladder should match the expected fragment range. Wrong ladder confuses size interpretation.

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RFLP में restriction enzyme क्यों जरूरी है?

Why is restriction enzyme necessary in RFLP?

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B. DNA को specific fragments में काटने के लिएTo cut DNA into specific fragments

Explanation

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Restriction enzyme DNA को site-specific fragments में काटता है। Fragment pattern variation analysis में use होता है। / Restriction enzyme cuts DNA into site-specific fragments. Fragment pattern is used in variation analysis.

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Restriction digestion cloning में false result कब दे सकता है?

When can restriction digestion give a false result in cloning?

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C. अगर partial digestion या wrong enzyme होIf partial digestion or wrong enzyme occurs

Explanation

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Partial digestion या wrong enzyme misleading band pattern दे सकते हैं। Controls और sequencing से पुष्टि करें। / Partial digestion or wrong enzyme can give misleading band patterns. Confirm with controls and sequencing.

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Wrong enzyme use करने से cloning में क्या हो सकता है?

What can happen in cloning if the wrong enzyme is used?

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A. desired compatible ends नहीं बनेंगेDesired compatible ends will not form

Explanation

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Wrong enzyme vector या insert को गलत जगह काट सकता है। इससे cloning fail हो सकती है। / The wrong enzyme can cut vector or insert at the wrong place. This can cause cloning failure.

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Restriction digest setup में master mix कब useful हो सकता है?

When can a master mix be useful in restriction digest setup?

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A. multiple similar reactions में pipetting variation घटाने के लिएTo reduce pipetting variation in multiple similar reactions

Explanation

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Master mix common components को समान रखता है। इससे reproducibility और pipetting accuracy बेहतर होती है। / A master mix keeps common components same. This improves reproducibility and pipetting accuracy.

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Reaction setup में labels क्यों जरूरी हैं?

Why are labels important in reaction setup?

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C. sample mix-up रोकने के लिएTo prevent sample mix-up

Explanation

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Clear labels wrong enzyme या wrong sample mix-up से बचाते हैं। यह reliable result के लिए जरूरी है। / Clear labels prevent wrong enzyme or wrong sample mix-up. This is necessary for reliable results.

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Restriction enzyme notebook में क्या record करना useful है?

What is useful to record in a restriction enzyme notebook?

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A. enzyme name buffer temperature और resultEnzyme name buffer temperature and result

Explanation

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Records troubleshooting और repeat experiments में मदद करते हैं। Enzyme conditions का record important है। / Records help troubleshooting and repeat experiments. Recording enzyme conditions is important.

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Restriction digestion में biosafety का मुख्य संबंध किससे है?

What is biosafety mainly related to in restriction digestion?

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B. sample और chemical safe handling सेSafe handling of sample and chemicals

Explanation

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DNA samples और reagents को safe तरीके से handle करना चाहिए। PPE और disposal rules follow करें। / DNA samples and reagents should be handled safely. Follow PPE and disposal rules.

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Ethidium bromide जैसे DNA stain के साथ क्या जरूरी है?

What is necessary while using DNA stains like ethidium bromide?

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A. safe handling और proper disposalSafe handling and proper disposal

Explanation

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कुछ DNA stains hazardous हो सकते हैं। Gloves और approved waste disposal जरूरी हैं। / Some DNA stains can be hazardous. Gloves and approved waste disposal are necessary.

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Restriction digestion के बाद gel documentation क्यों की जाती है?

Why is gel documentation done after restriction digestion?

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A. band pattern record करने के लिएTo record band pattern

Explanation

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Gel image band pattern का record देती है। यह clone verification और lab notebook के लिए उपयोगी है। / A gel image records the band pattern. It is useful for clone verification and lab notebook.

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Restriction digestion में reproducibility कैसे बढ़ती है?

How is reproducibility increased in restriction digestion?

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

Explanation

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Standard conditions और records same result पाने में मदद करते हैं। यह scientific reliability बढ़ाता है। / Standard conditions and records help obtain similar results. This increases scientific reliability.

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Restriction digestion result को sequencing से क्यों confirm किया जा सकता है?

Why can a restriction digestion result be confirmed by sequencing?

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A. sequencing exact base order बताती हैSequencing tells the exact base order

Explanation

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Restriction digest size pattern देता है पर exact sequence नहीं। Sequencing final confirmation दे सकती है। / Restriction digest gives size pattern but not exact sequence. Sequencing can give final confirmation.

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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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Restriction enzyme और exonuclease में basic अंतर क्या है?

What is the basic difference between restriction enzyme and exonuclease?

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A. restriction enzyme specific internal sites काटता है और exonuclease ends से हटाता हैRestriction enzyme cuts specific internal sites and exonuclease removes from ends

Explanation

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Restriction endonucleases DNA के अंदर specific sites काटते हैं। Exonucleases ends से nucleotides हटाते हैं। / Restriction endonucleases cut specific internal sites in DNA. Exonucleases remove nucleotides from ends.

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Endonuclease शब्द का अर्थ क्या है?

What does the term endonuclease mean?

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A. nucleic acid के अंदर cut करने वाला enzymeEnzyme that cuts inside nucleic acid

Explanation

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Endonuclease nucleic acid chain के भीतर phosphodiester bonds काटता है। Restriction enzymes इसी group में आते हैं। / An endonuclease cuts phosphodiester bonds within a nucleic acid chain. Restriction enzymes belong to this group.

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Restriction enzymes को किस biological role से खोजा गया था?

Restriction enzymes were discovered in relation to which biological role?

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A. bacterial defense against foreign DNA

Explanation

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Bacteria restriction enzymes से foreign DNA को काट सकते हैं। यह natural defense mechanism है। / Bacteria can cut foreign DNA using restriction enzymes. This is a natural defense mechanism.

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Host DNA methylation का natural purpose क्या हो सकता है?

What can be the natural purpose of host DNA methylation?

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A. host DNA को own restriction enzyme से बचानाProtecting host DNA from its own restriction enzyme

Explanation

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Host DNA methylated होने पर restriction enzyme उसे नहीं काटता। Foreign unmethylated DNA काटा जा सकता है। / When host DNA is methylated the restriction enzyme does not cut it. Foreign unmethylated DNA can be cut.

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Restriction enzyme name EcoRI में R किससे संबंधित है?

In the restriction enzyme name EcoRI what does R relate to?

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A. strain designation

Explanation

Simple Explanation

EcoRI नाम organism strain और order of discovery से जुड़ा है। ऐसे naming conventions exam में पूछे जा सकते हैं। / The name EcoRI is related to organism strain and order of discovery. Such naming conventions can be asked in exams.

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Restriction enzyme नाम में Roman numeral क्या बताता है?

What does the Roman numeral in a restriction enzyme name indicate?

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A. discovery order in that strain

Explanation

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EcoRI में I first identified enzyme को दिखाता है। Roman numeral discovery order बताता है। / In EcoRI I shows the first identified enzyme. The Roman numeral indicates discovery order.

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Restriction enzyme naming में species source क्यों important है?

Why is species source important in restriction enzyme naming?

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A. enzyme के origin को बताने के लिएTo indicate the origin of enzyme

Explanation

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Restriction enzyme names often organism source से बनते हैं। यह naming system को systematic बनाता है। / Restriction enzyme names are often derived from organism source. This makes naming systematic.

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Restriction digestion के बाद ligation से पहले ends को purify क्यों किया जाता है?

Why are ends purified before ligation after restriction digestion?

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A. enzyme buffer और small fragments हटाने के लिएTo remove enzyme buffer and small fragments

Explanation

Simple Explanation

Purification ligation inhibitors को कम कर सकती है। Clean compatible ends better ligation देते हैं। / Purification can reduce ligation inhibitors. Clean compatible ends give better ligation.

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Restriction digestion में cut fragment और vector ratio क्यों important है?

Why is cut fragment and vector ratio important in restriction digestion based cloning?

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A. ligation efficiency को प्रभावित करता हैIt affects ligation efficiency

Explanation

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Insert और vector की suitable मात्रा ligation success में मदद करती है। गलत ratio empty vector या low clones दे सकता है। / Suitable amounts of insert and vector help ligation success. Wrong ratio can give empty vector or low clones.

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Blunt end ligation sticky end ligation से कठिन क्यों हो सकती है?

Why can blunt end ligation be harder than sticky end ligation?

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A. blunt ends में complementary overhang नहीं होताBlunt ends lack complementary overhang

Explanation

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Sticky ends complementary pairing से पास आते हैं। Blunt ends में यह सहायता नहीं होती। / Sticky ends come together by complementary pairing. Blunt ends do not have this help.

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Sticky ends को cohesive ends क्यों कहा जाता है?

Why are sticky ends called cohesive ends?

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A. वे complementary bases से आपस में चिपक सकते हैंThey can stick together by complementary bases

Explanation

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Sticky ends complementary overhangs के कारण anneal कर सकते हैं। इसलिए इन्हें cohesive ends भी कहते हैं। / Sticky ends can anneal because of complementary overhangs. Therefore they are also called cohesive ends.

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Restriction enzyme digestion में annealing किससे जुड़ा है?

Annealing in restriction enzyme digestion is linked with what?

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A. complementary sticky ends का pairingPairing of complementary sticky ends

Explanation

Simple Explanation

Complementary sticky ends temporary base pairing कर सकते हैं। Ligase बाद में bond बनाता है। / Complementary sticky ends can temporarily base pair. Ligase later forms the bond.

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Restriction digestion से बने ends को ligase स्थायी कैसे बनाता है?

How does ligase make ends produced by restriction digestion permanent?

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A. phosphodiester bonds बनाकरBy forming phosphodiester bonds

Explanation

Simple Explanation

Ligase DNA backbone में phosphodiester bonds बनाता है। इससे recombinant DNA स्थायी बनता है। / Ligase forms phosphodiester bonds in the DNA backbone. This makes recombinant DNA stable.

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Cutting of DNA के बाद अगला सामान्य step कौन सा है?

What is the common next step after cutting DNA?

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A. DNA ligation

Explanation

Simple Explanation

Cutting के बाद compatible DNA fragments को ligase से जोड़ा जाता है। यह recombinant DNA formation का next step है। / After cutting compatible DNA fragments are joined by ligase. This is the next step of recombinant DNA formation.

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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 report में क्या लिखना चाहिए?

What should be written in a restriction digestion report?

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A. enzyme names expected bands observed bands और conditionsEnzyme names expected bands observed bands and conditions

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Report में expected और observed pattern compare किया जाता है। इससे result interpretation और repeat work आसान होता है। / The report compares expected and observed patterns. This helps result interpretation and repeat work.

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Restriction digestion में expected और observed bands compare क्यों करते हैं?

Why are expected and observed bands compared in restriction digestion?

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A. construct या digestion सही है या नहीं जानने के लिएTo know whether construct or digestion is correct

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Expected pattern map से आता है और observed pattern gel से मिलता है। Comparison clone verification में मदद करता है। / Expected pattern comes from the map and observed pattern comes from gel. Comparison helps clone verification.

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Level 47 का best exam revision point क्या है?

What is the best exam revision point of Level 47?

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A. enzyme choice restriction map diagnostic digest और gel interpretation याद रखेंRemember enzyme choice restriction map diagnostic digest and gel interpretation

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Cutting of DNA cloning planning और clone verification दोनों में important है। Band pattern को map से compare करें। / Cutting of DNA is important in both cloning planning and clone verification. Compare band pattern with the map.

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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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FAQs

Class 11 Biotechnology Quiz FAQs

How many questions are in this quiz?

This level is designed for 50 active questions. Currently 48 questions are available for the selected class and difficulty.

Is there a timer in this quiz?

Yes, the timer uses 40 seconds per question for Easy difficulty and shows the total remaining time on the page.

Can I open each question separately?

Yes, every question has its own SEO-friendly page with answer, explanation and related practice links.