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

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Restriction digestion को cloning workflow में quality gate क्यों कहा जा सकता है?

Why can restriction digestion be called a quality gate in cloning workflow?

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A. क्योंकि यह आगे ligation के लिए सही fragments verify करता हैBecause it verifies correct fragments for later ligation

Explanation

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Cutting result गलत हो तो आगे cloning fail हो सकती है। इसलिए gel verification जरूरी है। / If cutting result is wrong later cloning can fail. Therefore gel verification is necessary.

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DNA isolation के बाद cutting step से पहले कौन सा check सबसे उपयोगी है?

Which check is most useful before cutting step after DNA isolation?

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A. DNA purity और integrity checkDNA purity and integrity check

Explanation

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Poor quality DNA restriction enzyme reaction को खराब कर सकता है। Purity और integrity पहले देखें। / Poor quality DNA can spoil restriction enzyme reaction. Check purity and integrity first.

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यदि DNA sample में RNA contamination हो तो restriction digestion पर सामान्यतः सबसे बड़ा effect क्या होगा?

If a DNA sample has RNA contamination what is generally the main effect on restriction digestion?

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B. accurate DNA quantification confuse हो सकती हैAccurate DNA quantification can be confused

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RNA contamination DNA amount estimate को प्रभावित कर सकती है। RNase treatment या cleanup helpful हो सकता है। / RNA contamination can affect DNA amount estimation. RNase treatment or cleanup can help.

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Protein contamination restriction digestion में क्यों समस्या है?

Why is protein contamination a problem in restriction digestion?

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A. यह enzyme reaction को inhibit या interfere कर सकती हैIt can inhibit or interfere with enzyme reaction

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Protein contamination enzyme accessibility और activity को प्रभावित कर सकती है। Clean DNA sample बेहतर digestion देता है। / Protein contamination can affect enzyme accessibility and activity. Clean DNA sample gives better digestion.

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Restriction digestion से पहले DNA sample में salt contamination का संकेत कौन सा ratio दे सकता है?

Which ratio can indicate salt contamination in DNA sample before restriction digestion?

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B. A260 by A230

Explanation

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A260 by A230 salts phenol या carbohydrates का संकेत दे सकता है। Poor ratio हो तो cleanup करें। / A260 by A230 can indicate salts phenol or carbohydrates. If the ratio is poor do cleanup.

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Restriction digestion reaction में template DNA बहुत viscous हो तो क्या समस्या हो सकती है?

What problem can occur if template DNA is very viscous in restriction digestion reaction?

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A. pipetting inaccurate और mixing poor हो सकती हैPipetting can be inaccurate and mixing poor

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Viscous DNA sample uniform mixing को कठिन बना सकता है। Gentle dilution या cleanup मदद कर सकता है। / A viscous DNA sample can make uniform mixing difficult. Gentle dilution or cleanup can help.

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Genomic DNA cutting में gentle handling क्यों अधिक important है?

Why is gentle handling more important in genomic DNA cutting?

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A. genomic DNA लंबा और shear-sensitive होता हैGenomic DNA is long and shear-sensitive

Explanation

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लंबा DNA rough pipetting से टूट सकता है। Fragment pattern interpretation प्रभावित हो सकती है। / Long DNA can break by rough pipetting. Fragment pattern interpretation can be affected.

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Plasmid DNA cutting में supercoiled form क्यों relevant है?

Why is supercoiled form relevant in plasmid DNA cutting?

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A. वह gel migration को प्रभावित करता हैIt affects gel migration

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Uncut supercoiled plasmid linear plasmid से अलग migrate करता है। Digest success समझने के लिए यह relevant है। / Uncut supercoiled plasmid migrates differently from linear plasmid. It is relevant for understanding digest success.

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Restriction digest में plasmid prep में genomic DNA contamination हो तो gel पर क्या दिख सकता है?

What can appear on gel if plasmid prep has genomic DNA contamination in restriction digest?

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A. high molecular smear या extra DNA signalHigh molecular smear or extra DNA signal

Explanation

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Genomic DNA contamination gel pattern को confuse कर सकती है। Clean plasmid prep जरूरी है। / Genomic DNA contamination can confuse gel pattern. Clean plasmid prep is necessary.

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Restriction digestion में plasmid prep clean न हो तो cloning पर क्या असर हो सकता है?

What can happen to cloning if plasmid prep is not clean in restriction digestion?

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A. digestion और ligation दोनों प्रभावित हो सकते हैंBoth digestion and ligation can be affected

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Contaminants restriction enzyme और ligase reactions को inhibit कर सकते हैं। Clean preparation important है। / Contaminants can inhibit restriction enzyme and ligase reactions. Clean preparation is important.

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PCR product को restriction digestion से काटने से पहले primer design में क्या जोड़ा जा सकता है?

What can be added in primer design before cutting a PCR product by restriction digestion?

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A. restriction site और extra basesRestriction site and extra bases

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PCR primers में restriction sites जोड़कर product को cloning-ready बनाया जा सकता है। Extra bases enzyme cutting efficiency में मदद कर सकते हैं। / Restriction sites can be added in PCR primers to make product cloning-ready. Extra bases can help enzyme cutting efficiency.

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PCR primer में restriction site जोड़ने का उद्देश्य क्या है?

What is the purpose of adding restriction site in a PCR primer?

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A. PCR product को specific enzyme से cut करने योग्य बनानाTo make PCR product cuttable by specific enzyme

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Restriction site वाला primer amplified DNA में cut site डाल सकता है। यह cloning में common strategy है। / A primer with restriction site can introduce a cut site into amplified DNA. This is a common cloning strategy.

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Restriction site वाले primer में extra bases क्यों रखे जाते हैं?

Why are extra bases kept in a primer containing restriction site?

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A. enzyme को DNA end के पास efficiently cut करने में मदद के लिएTo help enzyme cut efficiently near DNA end

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कुछ restriction enzymes DNA end के बिल्कुल पास poorly cut कर सकते हैं। Extra bases cutting efficiency सुधारते हैं। / Some restriction enzymes cut poorly very near DNA end. Extra bases improve cutting efficiency.

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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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PCR product में restriction site absent हो तो chosen enzyme क्या करेगा?

What will the chosen enzyme do if restriction site is absent in PCR product?

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A. specific cutting नहीं करेगाIt will not cut specifically

Explanation

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Restriction enzyme को अपना recognition site चाहिए। Site absent होने पर expected digestion नहीं होगा। / A restriction enzyme needs its recognition site. Without the site expected digestion will not occur.

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Restriction digestion में PCR product और plasmid digest pattern अलग क्यों हो सकते हैं?

Why can PCR product and plasmid digest patterns differ in restriction digestion?

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A. PCR product linear होता है और plasmid circular हो सकता हैPCR product is linear and plasmid can be circular

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Linear और circular DNA में same cut sites अलग fragment count दे सकते हैं। Shape pattern को प्रभावित करती है। / Linear and circular DNA can give different fragment counts with same cut sites. Shape affects pattern.

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Restriction enzyme से PCR product के end पर cut कमजोर क्यों हो सकता है?

Why can restriction enzyme cutting at the end of PCR product be weak?

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A. enzyme को end के बाहर extra bases चाहिए हो सकते हैंEnzyme may need extra bases outside the end

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कुछ enzymes terminal sites पर efficient cut नहीं करते। Primer design में extra bases जोड़ना helpful है। / Some enzymes do not cut terminal sites efficiently. Adding extra bases in primer design is helpful.

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Restriction digestion में blunt-ended PCR product को cloning-ready बनाने का एक तरीका क्या है?

What is one way to make a blunt-ended PCR product cloning-ready in restriction digestion work?

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A. adapter linker या restriction site वाले primers use करनाUsing adapter linker or primers with restriction site

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Adapters linkers या engineered primers desired ends provide कर सकते हैं। Strategy cloning goal पर depend करती है। / Adapters linkers or engineered primers can provide desired ends. Strategy depends on cloning goal.

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Restriction digestion में linker और adapter में common बात क्या है?

What is common between linker and adapter in restriction digestion work?

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A. दोनों cloning में useful DNA ends provide कर सकते हैंBoth can provide useful DNA ends for cloning

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Linkers और adapters छोटे DNA molecules होते हैं। ये desired ends या sites जोड़ने में मदद कर सकते हैं। / Linkers and adapters are small DNA molecules. They can help add desired ends or sites.

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Restriction digestion में adapter dimer क्यों unwanted हो सकता है?

Why can adapter dimer be unwanted in restriction digestion work?

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A. वह cloning reaction में background दे सकता हैIt can give background in cloning reaction

Explanation

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Adapter dimers small ligation products बनाकर cloning को confuse कर सकते हैं। Size selection cleanup helpful है। / Adapter dimers can form small ligation products and confuse cloning. Size selection cleanup is helpful.

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Restriction digestion में size selection का उद्देश्य क्या है?

What is the purpose of size selection in restriction digestion?

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A. desired size fragment को चुननाSelecting desired size fragment

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Size selection unwanted fragments से desired DNA अलग करता है। यह cloning accuracy बढ़ाता है। / Size selection separates desired DNA from unwanted fragments. It increases cloning accuracy.

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Restriction digestion में magnetic bead cleanup कब useful हो सकता है?

When can magnetic bead cleanup be useful in restriction digestion?

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A. DNA fragments को size या purification के आधार पर recover करने मेंIn recovering DNA fragments by size or purification

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Magnetic beads DNA cleanup और size selection में use हो सकती हैं। Protocol bead ratio पर depend करता है। / Magnetic beads can be used in DNA cleanup and size selection. Protocol depends on bead ratio.

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Restriction fragments की bead cleanup में bead ratio क्यों important है?

Why is bead ratio important in bead cleanup of restriction fragments?

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A. कौन से size fragments bind होंगे यह प्रभावित करता हैIt affects which size fragments bind

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Bead ratio DNA size selection को प्रभावित कर सकता है। सही ratio desired fragment recovery में मदद करता है। / Bead ratio can affect DNA size selection. Correct ratio helps recover the desired fragment.

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Restriction digest cleanup में beads को over-dry करने से क्या समस्या हो सकती है?

What problem can occur if beads are over-dried in restriction digest cleanup?

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A. DNA elution कठिन हो सकती हैDNA elution can become difficult

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Over-dried beads DNA release कम कर सकती हैं। Proper drying time important है। / Over-dried beads can reduce DNA release. Proper drying time is important.

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Restriction fragment cleanup में ethanol wash के बाद drying क्यों जरूरी है?

Why is drying necessary after ethanol wash in restriction fragment cleanup?

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A. residual ethanol हटाने के लिएTo remove residual ethanol

Explanation

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Residual ethanol ligation या digestion inhibit कर सकता है। लेकिन over-drying भी avoid करें। / Residual ethanol can inhibit ligation or digestion. But avoid over-drying too.

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Restriction digestion में desalting column किसलिए useful हो सकता है?

Why can a desalting column be useful in restriction digestion?

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A. salts हटाने और buffer exchange के लिएTo remove salts and exchange buffer

Explanation

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Excess salts next enzyme reactions को affect कर सकते हैं। Desalting reaction compatibility सुधारता है। / Excess salts can affect next enzyme reactions. Desalting improves reaction compatibility.

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Restriction digest product में buffer exchange कब जरूरत हो सकती है?

When can buffer exchange be needed for restriction digest product?

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A. next enzyme या ligase buffer incompatible होWhen next enzyme or ligase buffer is incompatible

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Buffer exchange unwanted salts और components हटाकर next reaction के लिए suitable condition देता है। / Buffer exchange removes unwanted salts and components to give suitable condition for next reaction.

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Restriction digestion में DNA end repair कब जरूरी हो सकता है?

When can DNA end repair be needed in restriction digestion work?

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A. जब ends cloning strategy के लिए suitable न होंWhen ends are not suitable for cloning strategy

Explanation

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End repair blunt या compatible ends बनाने के लिए use हो सकता है। यह cloning method पर निर्भर करता है। / End repair can be used to make blunt or compatible ends. It depends on cloning method.

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Restriction digestion में fill-in reaction का उद्देश्य क्या हो सकता है?

What can be the purpose of a fill-in reaction in restriction digestion work?

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A. sticky ends को blunt ends में बदलनाConverting sticky ends into blunt ends

Explanation

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DNA polymerase overhangs को fill कर सकता है। इससे blunt-end cloning strategy possible हो सकती है। / DNA polymerase can fill overhangs. This can make blunt-end cloning strategy possible.

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Restriction digestion में exonuclease treatment कब उपयोगी हो सकता है?

When can exonuclease treatment be useful in restriction digestion work?

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A. specific unwanted ends या single-stranded regions process करने मेंIn processing specific unwanted ends or single-stranded regions

Explanation

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Exonucleases DNA ends से nucleotides remove करते हैं। उनका use strategy-specific होता है। / Exonucleases remove nucleotides from DNA ends. Their use is strategy-specific.

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Restriction digestion में nicking enzyme किससे अलग होता है?

How is a nicking enzyme different in restriction digestion context?

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A. यह केवल एक DNA strand में nick लगा सकता हैIt can nick only one DNA strand

Explanation

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Nicking enzymes double-strand cut की जगह single-strand nick कर सकते हैं। यह special DNA engineering में useful है। / Nicking enzymes can make a single-strand nick instead of a double-strand cut. This is useful in special DNA engineering.

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Restriction endonuclease और nicking enzyme में मुख्य अंतर क्या है?

What is the main difference between restriction endonuclease and nicking enzyme?

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A. endonuclease often दोनों strands काटता है और nicking enzyme एक strand काटता हैEndonuclease often cuts both strands and nicking enzyme cuts one strand

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Restriction enzymes double-stranded break बना सकते हैं। Nicking enzymes single-strand nick के लिए जाने जाते हैं। / Restriction enzymes can create double-stranded breaks. Nicking enzymes are known for single-strand nicks.

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Restriction digestion में homing endonuclease को rare cutter क्यों माना जा सकता है?

Why can a homing endonuclease be considered a rare cutter in restriction digestion?

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A. यह बहुत लंबी recognition sequence पहचान सकता हैIt can recognize a very long recognition sequence

Explanation

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Long recognition sequences genome में कम बार मिलती हैं। इसलिए ऐसे enzymes rare cuts दे सकते हैं। / Long recognition sequences occur less often in genomes. Therefore such enzymes can give rare cuts.

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Restriction digestion और genome editing nuclease में basic similarity क्या है?

What is the basic similarity between restriction digestion and genome editing nuclease?

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A. दोनों DNA cutting से जुड़े हो सकते हैंBoth can be related to DNA cutting

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Restriction enzymes और genome editing nucleases DNA cuts कर सकते हैं। लेकिन recognition और use अलग हो सकते हैं। / Restriction enzymes and genome editing nucleases can cut DNA. But recognition and use can differ.

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Restriction enzyme और CRISPR nuclease में school-level अंतर क्या है?

What is a school-level difference between restriction enzyme and CRISPR nuclease?

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A. restriction enzyme DNA sequence पहचानता है और CRISPR guide RNA से target हो सकता हैRestriction enzyme recognizes DNA sequence and CRISPR can be guided by guide RNA

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Restriction enzymes fixed recognition sites पर cut करते हैं। CRISPR systems guide RNA से target select कर सकते हैं। / Restriction enzymes cut at fixed recognition sites. CRISPR systems can select targets using guide RNA.

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Restriction digestion में ethical use of DNA samples क्यों जरूरी है?

Why is ethical use of DNA samples necessary in restriction digestion?

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A. DNA source और consent का सम्मान करने के लिएTo respect DNA source and consent

Explanation

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Biological DNA samples rules और consent के अनुसार use होने चाहिए। यह responsible biotechnology है। / Biological DNA samples should be used according to rules and consent. This is responsible biotechnology.

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Restriction digestion में genetic data privacy कब relevant हो सकती है?

When can genetic data privacy be relevant in restriction digestion?

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A. human DNA samples handle करते समयWhile handling human DNA samples

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Human DNA sensitive genetic information रख सकता है। Privacy और approved handling जरूरी हैं। / Human DNA can contain sensitive genetic information. Privacy and approved handling are necessary.

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Restriction digestion में GMO-related work में containment क्यों जरूरी है?

Why is containment necessary in GMO-related work involving restriction digestion?

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A. modified DNA और organisms को safe control में रखने के लिएTo keep modified DNA and organisms under safe control

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Recombinant DNA work biosafety guidelines के अनुसार किया जाता है। Containment accidental release risk घटाता है। / Recombinant DNA work is done according to biosafety guidelines. Containment reduces accidental release risk.

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Restriction digestion में lab biosafety level का संबंध किससे है?

What is lab biosafety level related to in restriction digestion work?

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A. sample organism और risk level सेSample organism and risk level

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Different biological materials different risk रखते हैं। Appropriate biosafety level safe work के लिए जरूरी है। / Different biological materials have different risks. Appropriate biosafety level is needed for safe work.

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Restriction digestion में sharps safety कब relevant है?

When is sharps safety relevant in restriction digestion?

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A. gel band cut करने के लिए blade या scalpel use करते समयWhile using blade or scalpel to cut gel band

Explanation

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Scalpel और blades injury दे सकते हैं। Proper disposal और careful handling जरूरी है। / Scalpels and blades can cause injury. Proper disposal and careful handling are necessary.

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Restriction digestion में UV shield क्यों use किया जाता है?

Why is UV shield used in restriction digestion gel work?

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A. eyes और skin को UV exposure से बचाने के लिएTo protect eyes and skin from UV exposure

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UV transilluminator harmful हो सकता है। Eye और skin protection जरूरी है। / UV transilluminator can be harmful. Eye and skin protection are necessary.

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Restriction digestion में electrical safety कब ध्यान रखनी चाहिए?

When should electrical safety be considered in restriction digestion?

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A. gel electrophoresis apparatus चलाते समयWhile running gel electrophoresis apparatus

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Electrophoresis में electricity और buffer साथ होते हैं। Lid और power supply safety follow करें। / Electrophoresis uses electricity and buffer together. Follow lid and power supply safety.

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Restriction digest gel tank में buffer spill हो जाए तो क्या करना चाहिए?

What should be done if buffer spills around gel tank in restriction digest work?

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A. power off करके spill safely clean करेंTurn power off and clean spill safely

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Electricity और liquid साथ dangerous हो सकते हैं। Safety procedure follow करें। / Electricity and liquid together can be dangerous. Follow safety procedure.

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Restriction digestion में waste segregation क्यों जरूरी है?

Why is waste segregation necessary in restriction digestion?

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A. chemical biological और sharp waste को सही route देनाTo send chemical biological and sharp waste to correct route

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Different waste types अलग disposal methods मांगते हैं। यह lab safety का essential part है। / Different waste types need different disposal methods. This is an essential part of lab safety.

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Restriction digestion में contaminated gel waste कैसे handle करना चाहिए?

How should contaminated gel waste be handled in restriction digestion?

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A. institutional safety rules के अनुसारAccording to institutional safety rules

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DNA stain या biological material वाला gel special disposal मांग सकता है। Local lab rules follow करें। / Gel containing DNA stain or biological material may need special disposal. Follow local lab rules.

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Restriction digestion में result interpretation में confirmation bias से कैसे बचें?

How can confirmation bias be avoided in restriction digestion result interpretation?

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A. expected pattern के साथ controls और actual bands honestly compare करेंHonestly compare controls and actual bands with expected pattern

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Actual data को expected result के अनुसार force नहीं करना चाहिए। Controls scientific conclusion को मजबूत करते हैं। / Actual data should not be forced to match expected result. Controls strengthen scientific conclusion.

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Restriction digestion में ambiguous gel result आए तो क्या सही approach है?

What is the correct approach if gel result is ambiguous in restriction digestion?

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A. repeat digest या alternative confirmation करेंRepeat digest or use alternative confirmation

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Ambiguous bands से निश्चित conclusion नहीं बनता। Repeat test sequencing या PCR से confirm करें। / Ambiguous bands do not give definite conclusion. Confirm by repeat test sequencing or PCR.

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Restriction digestion के बाद final clone verification में सबसे मजबूत method कौन सा हो सकता है?

What can be the strongest method for final clone verification after restriction digestion?

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A. DNA sequencing

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Restriction digest size pattern देता है। Sequencing exact insert sequence और mutations check कर सकती है। / Restriction digest gives size pattern. Sequencing can check exact insert sequence and mutations.

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Restriction digestion / PCR product cutting के बाद सबसे सही revision point क्या होना चाहिए?

What is the best revision point after restriction digestion or PCR product cutting?

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A. DNA fragments को clean करके gelsequence verification और safety का ध्यान रखना चाहिए / DNA fragments should be cleaned, verified by gel or sequencing, and handled safely

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Restriction digestion या PCR product cutting के बाद clean DNA fragments, gel/sequence verification, safety और accurate data recording जरूरी होते हैं। इससे cloning या recombinant DNA experiment का result reliable बनता है। / After restriction digestion or PCR product cutting, clean DNA fragments, gel/sequence verification, safety, and accurate data recording are important. These steps make cloning or recombinant DNA results more reliable.

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Cutting of DNA level 56 का final summary क्या है?

What is the final summary of Cutting of DNA level 56?

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A. DNA cutting में sample quality enzyme choice cleanup safety और final confirmation सभी जरूरी हैंSample quality enzyme choice cleanup safety and final confirmation are all necessary in DNA cutting

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Restriction digestion cloning workflow का critical step है। सही planning और verification से reliable recombinant DNA work होता है। / Restriction digestion is a critical step of cloning workflow. Correct planning and verification make recombinant DNA work reliable.

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Class 11 Biotechnology Quiz FAQs

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