Update
Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है
Subjects

Class 11 Biotechnology - Principles of Biotechnology - Competent Host Easy Quiz

Level 32 • 50/50 questions • 40 seconds per question.

Level readiness 50/50 Questions
Time Left 33:20 40 sec/question
RewardsCoins + XP
ModeClassic Quiz
Share
Question 1 / 50 0 score
Answered 0/50 Correct 0 Time 33:20

Transformation workflow का सबसे सही क्रम कौन सा है?

Which is the most correct order of transformation workflow?

Explanation opens after your attempt
Correct Answer

A. Competent cells DNA addition recovery selection

Explanation

Simple Explanation

पहले cells competent बनती हैं फिर DNA दिया जाता है और recovery के बाद selection होती है। यह basic workflow है। / Cells are first made competent then DNA is added and selection follows recovery. This is the basic workflow.

Open Question Page
Ask Friends

Plasmid DNA add करने के बाद immediate plating क्यों सही नहीं हो सकती?

Why may immediate plating after adding plasmid DNA be unsuitable?

Explanation opens after your attempt
Correct Answer

B. Cells को recovery और marker expression का समय चाहिएCells need time for recovery and marker expression

Explanation

Simple Explanation

Recovery time cells को antibiotic resistance marker express करने देता है। इससे selection plate पर survival बढ़ सकता है। / Recovery time lets cells express the antibiotic resistance marker. This can increase survival on selection plates.

Open Question Page
Ask Friends

Recovery medium में antibiotic तुरंत न डालने का कारण क्या हो सकता है?

Why may antibiotic not be added immediately in recovery medium?

Explanation opens after your attempt
Correct Answer

C. Cells को resistance marker express करने का समय देने के लिएTo give cells time to express resistance marker

Explanation

Simple Explanation

Transformation के बाद cells कमजोर हो सकती हैं। Recovery बिना antibiotic के marker expression और survival में मदद करती है। / Cells can be weak after transformation. Recovery without antibiotic helps marker expression and survival.

Open Question Page
Ask Friends

SOC medium किस काम में commonly use हो सकता है?

For what is SOC medium commonly used?

Explanation opens after your attempt
Correct Answer

D. Transformation के बाद recoveryRecovery after transformation

Explanation

Simple Explanation

SOC rich recovery medium है जो transformed cells को selection से पहले recover करने में मदद करता है। / SOC is a rich recovery medium that helps transformed cells recover before selection.

Open Question Page
Ask Friends

Competent cells को बार-बार freeze-thaw करने से क्या हो सकता है?

What can happen if competent cells are repeatedly frozen and thawed?

Explanation opens after your attempt
Correct Answer

A. Competence और viability घट सकती हैCompetence and viability may decrease

Explanation

Simple Explanation

Repeated freeze-thaw competent cells को damage कर सकता है। Aliquots बनाकर use करना बेहतर है। / Repeated freeze-thaw can damage competent cells. Using aliquots is better.

Open Question Page
Ask Friends

Competent cells की aliquots बनाने का लाभ क्या है?

What is the benefit of making aliquots of competent cells?

Explanation opens after your attempt
Correct Answer

B. Repeated freeze-thaw से बचनाAvoiding repeated freeze-thaw

Explanation

Simple Explanation

Aliquots cells को छोटे हिस्सों में store करते हैं। इससे एक tube बार-बार thaw नहीं करनी पड़ती। / Aliquots store cells in small portions. This avoids thawing the same tube repeatedly.

Open Question Page
Ask Friends

Transformation में बहुत लंबा heat shock क्या कर सकता है?

What can a very long heat shock do in transformation?

Explanation opens after your attempt
Correct Answer

C. Cell survival घटा सकता हैIt can reduce cell survival

Explanation

Simple Explanation

Heat shock controlled duration में दिया जाता है। बहुत long heat exposure cells को damage कर सकता है। / Heat shock is given for a controlled duration. Very long heat exposure can damage cells.

Open Question Page
Ask Friends

Heat shock के बाद ice पर वापस रखने का उद्देश्य क्या है?

What is the purpose of putting cells back on ice after heat shock?

Explanation opens after your attempt
Correct Answer

D. Cells को stabilize करनाTo stabilize cells

Explanation

Simple Explanation

Heat shock के बाद cooling cells को stabilize करने में मदद कर सकती है। यह chemical transformation protocol का common part है। / Cooling after heat shock can help stabilize cells. It is a common part of chemical transformation protocols.

Open Question Page
Ask Friends

Plasmid और competent cells को gently mix क्यों किया जाता है?

Why are plasmid and competent cells mixed gently?

Explanation opens after your attempt
Correct Answer

A. Cells fragile हो सकती हैंCells can be fragile

Explanation

Simple Explanation

Competent cells damage-prone हो सकती हैं। Gentle mixing viability और competence बचाता है। / Competent cells can be prone to damage. Gentle mixing preserves viability and competence.

Open Question Page
Ask Friends

Transformation efficiency कम होने का एक practical कारण क्या हो सकता है?

What can be one practical reason for low transformation efficiency?

Explanation opens after your attempt
Correct Answer

B. Old competent cells

Explanation

Simple Explanation

Old या poorly stored competent cells कम efficient हो सकती हैं। Fresh high-quality cells transformation बेहतर कर सकती हैं। / Old or poorly stored competent cells can be less efficient. Fresh high-quality cells can improve transformation.

Open Question Page
Ask Friends

DNA ligation mixture सीधे transform करने से कभी efficiency क्यों घट सकती है?

Why can transforming DNA ligation mixture directly sometimes reduce efficiency?

Explanation opens after your attempt
Correct Answer

C. Salts या enzymes cells को stress कर सकते हैंSalts or enzymes can stress cells

Explanation

Simple Explanation

Ligation mixture में salts और enzymes हो सकते हैं जो cells को affect करें। Clean-up कुछ cases में मदद कर सकता है। / A ligation mixture can contain salts and enzymes that affect cells. Clean-up can help in some cases.

Open Question Page
Ask Friends

Electroporation में DNA clean-up कब useful हो सकता है?

When can DNA clean-up be useful in electroporation?

Explanation opens after your attempt
Correct Answer

D. Salt कम करने के लिएTo reduce salt

Explanation

Simple Explanation

Electroporation high salt से arcing हो सकती है। DNA clean-up salt और contaminants कम कर सकता है। / High salt can cause arcing in electroporation. DNA clean-up can reduce salt and contaminants.

Open Question Page
Ask Friends

Circular plasmid transformation में क्यों लाभकारी हो सकता है?

Why can circular plasmid be beneficial in transformation?

Explanation opens after your attempt
Correct Answer

A. Circular plasmid stable और replicable हो सकता हैCircular plasmid can be stable and replicable

Explanation

Simple Explanation

Plasmid vectors सामान्यतः circular DNA होते हैं और host में replicate कर सकते हैं। इसलिए वे cloning में उपयोगी हैं। / Plasmid vectors are usually circular DNA and can replicate in the host. Therefore they are useful in cloning.

Open Question Page
Ask Friends

Recombinant plasmid को host में replicate होने के लिए क्या चाहिए?

What is needed for a recombinant plasmid to replicate in host?

Explanation opens after your attempt
Correct Answer

B. Host-compatible origin of replication

Explanation

Simple Explanation

Origin of replication host machinery के साथ compatible होना चाहिए। तभी plasmid copies बनेंगी। / The origin of replication should be compatible with host machinery. Only then plasmid copies will form.

Open Question Page
Ask Friends

Plasmid का ori host में काम नहीं करता तो क्या होगा?

What happens if plasmid ori does not work in host?

Explanation opens after your attempt
Correct Answer

C. Plasmid maintain नहीं होगाPlasmid will not be maintained

Explanation

Simple Explanation

Ori काम न करे तो plasmid replicate नहीं करेगा। इससे transformants stable नहीं रहेंगे। / If ori does not work the plasmid will not replicate. Transformants will not remain stable.

Open Question Page
Ask Friends

Transformation experiment में agar plate का काम क्या है?

What is the role of an agar plate in a transformation experiment?

Explanation opens after your attempt
Correct Answer

D. Colonies grow कराने और selection करने के लिएTo grow colonies and perform selection

Explanation

Simple Explanation

Agar plate transformed cells को colonies में grow करने देती है। Antibiotic होने पर selection भी होती है। / An agar plate lets transformed cells grow as colonies. With antibiotic selection also occurs.

Open Question Page
Ask Friends

Colony का cloning में क्या महत्व है?

What is the importance of a colony in cloning?

Explanation opens after your attempt
Correct Answer

A. एक transformed cell से बनी population हो सकती हैIt can be a population from one transformed cell

Explanation

Simple Explanation

Colony एक clone source हो सकती है। इसलिए individual colonies से plasmid या insert check किया जाता है। / A colony can be a source of a clone. Therefore plasmid or insert is checked from individual colonies.

Open Question Page
Ask Friends

Colony picking क्यों की जाती है?

Why is colony picking done?

Explanation opens after your attempt
Correct Answer

B. Specific clone को आगे analyze करने के लिएTo analyze a specific clone further

Explanation

Simple Explanation

Individual colony pick करके plasmid isolation PCR या screening की जा सकती है। यह clone confirmation step है। / An individual colony can be picked for plasmid isolation PCR or screening. This is a clone confirmation step.

Open Question Page
Ask Friends

Colony PCR क्यों उपयोगी है?

Why is colony PCR useful?

Explanation opens after your attempt
Correct Answer

C. Insert presence quickly check करने के लिएTo quickly check insert presence

Explanation

Simple Explanation

Colony PCR selected colony में insert की presence का quick test है। यह final sequencing से पहले screening कर सकता है। / Colony PCR is a quick test for insert presence in a selected colony. It can screen before final sequencing.

Open Question Page
Ask Friends

Miniprep का उपयोग किसलिए किया जाता है?

What is miniprep used for?

Explanation opens after your attempt
Correct Answer

D. Small culture से plasmid DNA isolate करने के लिएTo isolate plasmid DNA from small culture

Explanation

Simple Explanation

Miniprep transformed bacteria से plasmid DNA निकालने की common method है। इसके बाद restriction analysis या sequencing की जा सकती है। / Miniprep is a common method to extract plasmid DNA from transformed bacteria. Restriction analysis or sequencing can follow.

Open Question Page
Ask Friends

Isolated plasmid को restriction enzymes से digest क्यों किया जाता है?

Why is isolated plasmid digested with restriction enzymes?

Explanation opens after your attempt
Correct Answer

A. Insert और vector pattern confirm करने के लिएTo confirm insert and vector pattern

Explanation

Simple Explanation

Restriction digestion expected bands दिखाकर correct clone का संकेत दे सकता है। यह plasmid confirmation का common तरीका है। / Restriction digestion can show expected bands and indicate the correct clone. It is a common plasmid confirmation method.

Open Question Page
Ask Friends

Sequencing कब उपयोगी है?

When is sequencing useful?

Explanation opens after your attempt
Correct Answer

B. Insert sequence और orientation final confirm करने के लिएTo finally confirm insert sequence and orientation

Explanation

Simple Explanation

Sequencing clone की exact identity और insert orientation बता सकती है। यह high confidence confirmation देता है। / Sequencing can reveal exact clone identity and insert orientation. It gives high confidence confirmation.

Open Question Page
Ask Friends

Transformation में contamination का एक संकेत क्या हो सकता है?

What can be one sign of contamination in transformation?

Explanation opens after your attempt
Correct Answer

C. Negative control पर unexpected coloniesUnexpected colonies on negative control

Explanation

Simple Explanation

Negative control में plasmid नहीं होता इसलिए growth expected नहीं होती। Colonies contamination या selection issue दिखा सकती हैं। / Negative control has no plasmid so growth is not expected. Colonies can show contamination or selection issues.

Open Question Page
Ask Friends

Old antibiotic plate में antibiotic degrade हो जाए तो क्या हो सकता है?

What can happen if antibiotic is degraded in an old plate?

Explanation opens after your attempt
Correct Answer

D. Background growth बढ़ सकती हैBackground growth can increase

Explanation

Simple Explanation

Degraded antibiotic effective selection नहीं करेगा। इससे non-transformed cells भी grow कर सकती हैं। / Degraded antibiotic will not provide effective selection. Non-transformed cells may also grow.

Open Question Page
Ask Friends

गलत antibiotic use करने से क्या समस्या हो सकती है?

What problem can occur if the wrong antibiotic is used?

Explanation opens after your attempt
Correct Answer

A. Correct transformants select नहीं होंगेCorrect transformants may not be selected

Explanation

Simple Explanation

Antibiotic marker और plate antibiotic match होने चाहिए। गलत antibiotic से selection fail हो सकती है। / The antibiotic marker and plate antibiotic must match. Wrong antibiotic can make selection fail.

Open Question Page
Ask Friends

Ampicillin resistance marker वाले plasmid के लिए कौन सी plate suitable है?

Which plate is suitable for a plasmid with an ampicillin resistance marker?

Explanation opens after your attempt
Correct Answer

B. Ampicillin plate

Explanation

Simple Explanation

Ampicillin resistance marker cells को ampicillin plate पर grow करने देता है। Marker और antibiotic का match जरूरी है। / An ampicillin resistance marker lets cells grow on ampicillin plates. Matching marker and antibiotic is necessary.

Open Question Page
Ask Friends

Kanamycin resistance marker वाले plasmid के लिए कौन सा selection सही है?

Which selection is correct for a plasmid with kanamycin resistance marker?

Explanation opens after your attempt
Correct Answer

C. Kanamycin-containing medium

Explanation

Simple Explanation

Kanamycin resistance marker kanamycin medium पर selection देता है। गलत antibiotic selection को fail कर सकता है। / Kanamycin resistance marker gives selection on kanamycin medium. Wrong antibiotic can fail selection.

Open Question Page
Ask Friends

Transformation result में satellite colonies किससे जुड़ सकती हैं?

Satellite colonies in a transformation result can be linked with what?

Explanation opens after your attempt
Correct Answer

D. Antibiotic breakdown around resistant colony

Explanation

Simple Explanation

कुछ plates पर resistant colonies antibiotic को degrade कर सकती हैं और nearby small sensitive colonies grow कर सकती हैं। इन्हें satellite colonies कह सकते हैं। / On some plates resistant colonies can degrade antibiotic and nearby small sensitive colonies may grow. These can be called satellite colonies.

Open Question Page
Ask Friends

Colony count किससे जुड़ा है?

Colony count is related to what?

Explanation opens after your attempt
Correct Answer

A. Transformation efficiency का अनुमानEstimating transformation efficiency

Explanation

Simple Explanation

Colony count से transformation success का अनुमान लगाया जा सकता है। Control plates के साथ comparison useful होता है। / Colony count can estimate transformation success. Comparison with control plates is useful.

Open Question Page
Ask Friends

High efficiency competent cells कब जरूरी हैं?

When are high-efficiency competent cells needed?

Explanation opens after your attempt
Correct Answer

B. जब DNA amount बहुत कम होWhen DNA amount is very low

Explanation

Simple Explanation

Low DNA amount या difficult ligation products के लिए high-efficiency competent cells useful हो सकती हैं। / High-efficiency competent cells can be useful for low DNA amount or difficult ligation products.

Open Question Page
Ask Friends

Routine plasmid transformation में किस तरह की cells पर्याप्त हो सकती हैं?

What type of cells may be sufficient for routine plasmid transformation?

Explanation opens after your attempt
Correct Answer

C. Standard chemically competent cells

Explanation

Simple Explanation

Routine plasmid transformation में standard competent E coli cells पर्याप्त हो सकती हैं। कठिन libraries के लिए high efficiency cells बेहतर होती हैं। / Standard competent E coli cells may be enough for routine plasmid transformation. High-efficiency cells are better for difficult libraries.

Open Question Page
Ask Friends

Library construction में high efficiency competent host क्यों जरूरी हो सकता है?

Why can a high-efficiency competent host be important in library construction?

Explanation opens after your attempt
Correct Answer

D. अधिक independent clones पाने के लिएTo obtain more independent clones

Explanation

Simple Explanation

Library में बहुत सारे अलग DNA fragments clone करने होते हैं। High efficiency diversity बचाने में मदद करती है। / A library needs many different DNA fragments to be cloned. High efficiency helps preserve diversity.

Open Question Page
Ask Friends

Library diversity का क्या अर्थ है?

What does library diversity mean?

Explanation opens after your attempt
Correct Answer

A. कई अलग-अलग insert clones का प्रतिनिधित्वRepresentation of many different insert clones

Explanation

Simple Explanation

Library diversity का मतलब है कई unique DNA fragments maintain हों। Low transformation efficiency diversity घटा सकती है। / Library diversity means many unique DNA fragments are maintained. Low transformation efficiency can reduce diversity.

Open Question Page
Ask Friends

High copy number वाले plasmid में toxic insert से क्या हो सकता है?

What can happen with a toxic insert in a high-copy plasmid?

Explanation opens after your attempt
Correct Answer

B. Host growth प्रभावित हो सकती हैHost growth can be affected

Explanation

Simple Explanation

Toxic insert high copy में ज्यादा burden डाल सकता है। Low-copy vector host survival में मदद कर सकता है। / A toxic insert at high copy can put more burden. A low-copy vector can help host survival.

Open Question Page
Ask Friends

Recombinant plasmid loss रोकने के लिए क्या किया जा सकता है?

What can be done to prevent recombinant plasmid loss?

Explanation opens after your attempt
Correct Answer

C. Selection antibiotic maintain किया जा सकता हैSelection antibiotic can be maintained

Explanation

Simple Explanation

Selection antibiotic plasmid-containing cells को growth advantage देता है। इससे plasmid loss कम हो सकता है। / Selection antibiotic gives growth advantage to plasmid-containing cells. This can reduce plasmid loss.

Open Question Page
Ask Friends

Expression host में plasmid और protein production दोनों के लिए क्या जरूरी है?

What is needed for both plasmid and protein production in an expression host?

Explanation opens after your attempt
Correct Answer

D. Compatible vector और suitable expression conditionsCompatible vector and suitable expression conditions

Explanation

Simple Explanation

Expression host को vector maintain करना और gene express करना दोनों चाहिए। Conditions protein yield और folding को प्रभावित करती हैं। / An expression host must maintain the vector and express the gene. Conditions affect protein yield and folding.

Open Question Page
Ask Friends

अगर host में rare codons के लिए tRNA कम हो तो क्या हो सकता है?

If a host has fewer tRNAs for rare codons what may happen?

Explanation opens after your attempt
Correct Answer

A. Protein expression प्रभावित हो सकती हैProtein expression may be affected

Explanation

Simple Explanation

Rare codons expression efficiency को प्रभावित कर सकते हैं। Suitable expression host या codon optimization मदद कर सकते हैं। / Rare codons can affect expression efficiency. A suitable expression host or codon optimization can help.

Open Question Page
Ask Friends

Bacterial host में eukaryotic protein expression की limitation क्या हो सकती है?

What can be one limitation of expressing eukaryotic protein in bacterial host?

Explanation opens after your attempt
Correct Answer

B. कुछ post-translational modifications नहीं हो सकतेSome post-translational modifications may not occur

Explanation

Simple Explanation

Bacteria eukaryotic cells जैसी सभी modifications नहीं कर पाते। इसलिए complex proteins के लिए other hosts useful हो सकते हैं। / Bacteria cannot perform all modifications like eukaryotic cells. Therefore other hosts can be useful for complex proteins.

Open Question Page
Ask Friends

Yeast host bacterial host से किस मामले में अलग है?

How is yeast host different from bacterial host?

Explanation opens after your attempt
Correct Answer

C. Yeast eukaryotic organism हैYeast is a eukaryotic organism

Explanation

Simple Explanation

Yeast eukaryotic host है इसलिए कुछ eukaryotic processing कर सकता है। इसे E coli से अलग host option मानें। / Yeast is a eukaryotic host so it can perform some eukaryotic processing. Treat it as a different host option from E coli.

Open Question Page
Ask Friends

Mammalian host cells का एक लाभ क्या है?

What is one advantage of mammalian host cells?

Explanation opens after your attempt
Correct Answer

D. Complex proteins की proper processing में मददHelp in proper processing of complex proteins

Explanation

Simple Explanation

Mammalian cells complex eukaryotic proteins के लिए useful processing दे सकती हैं। लेकिन culture system अधिक जटिल हो सकता है। / Mammalian cells can provide useful processing for complex eukaryotic proteins. But culture systems can be more complex.

Open Question Page
Ask Friends

Plant host में selectable marker का उपयोग किसलिए होता है?

Why is a selectable marker used in plant host?

Explanation opens after your attempt
Correct Answer

A. Transformed plant cells चुनने के लिएTo select transformed plant cells

Explanation

Simple Explanation

Plant transformation में marker transformed cells को select करने में मदद करता है। इसके बाद regeneration step हो सकता है। / In plant transformation a marker helps select transformed cells. A regeneration step may follow.

Open Question Page
Ask Friends

Plant tissue culture transformation से क्यों जुड़ा होता है?

Why is plant tissue culture linked with transformation?

Explanation opens after your attempt
Correct Answer

B. Transformed cells से plant regenerate करने के लिएTo regenerate plant from transformed cells

Explanation

Simple Explanation

Plant transformation के बाद selected cells से whole plant बनाना पड़ सकता है। Tissue culture regeneration में मदद करता है। / After plant transformation selected cells may need to make a whole plant. Tissue culture helps in regeneration.

Open Question Page
Ask Friends

Biosafety level क्यों ध्यान रखा जाता है?

Why is biosafety level considered?

Explanation opens after your attempt
Correct Answer

C. Safe containment और handling के लिएFor safe containment and handling

Explanation

Simple Explanation

Different hosts और constructs के लिए safety needs अलग हो सकती हैं। Biosafety responsible lab practice का भाग है। / Different hosts and constructs can have different safety needs. Biosafety is part of responsible lab practice.

Open Question Page
Ask Friends

Genetically modified host को खुले में क्यों नहीं छोड़ना चाहिए?

Why should a genetically modified host not be released openly?

Explanation opens after your attempt
Correct Answer

D. Environmental safety और containment के कारणBecause of environmental safety and containment

Explanation

Simple Explanation

GM hosts को नियमों और containment के अंदर handle करना चाहिए। यह biosafety और environment protection के लिए जरूरी है। / GM hosts should be handled under rules and containment. This is necessary for biosafety and environmental protection.

Open Question Page
Ask Friends

Competent host experiment में labelling क्यों जरूरी है?

Why is labelling important in a competent host experiment?

Explanation opens after your attempt
Correct Answer

A. Samples mix-up रोकने के लिएTo prevent sample mix-up

Explanation

Simple Explanation

Proper labelling wrong clone selection और confusion से बचाता है। यह basic lab practice है। / Proper labelling prevents wrong clone selection and confusion. It is a basic lab practice.

Open Question Page
Ask Friends

Aseptic technique का लक्ष्य क्या है?

What is the goal of aseptic technique?

Explanation opens after your attempt
Correct Answer

B. Unwanted microbes को रोकनाTo prevent unwanted microbes

Explanation

Simple Explanation

Aseptic technique contamination रोकती है। इससे colonies और results अधिक reliable होते हैं। / Aseptic technique prevents contamination. This makes colonies and results more reliable.

Open Question Page
Ask Friends

Colony morphology क्यों देखी जा सकती है?

Why can colony morphology be observed?

Explanation opens after your attempt
Correct Answer

C. Unexpected contamination या mixed colonies पहचानने के लिएTo identify unexpected contamination or mixed colonies

Explanation

Simple Explanation

Colony appearance contamination या अलग strains का संकेत दे सकती है। Insert confirmation के लिए molecular tests चाहिए। / Colony appearance can indicate contamination or different strains. Molecular tests are needed for insert confirmation.

Open Question Page
Ask Friends

Transformation success का direct final proof क्या हो सकता है?

What can be direct final proof of transformation success?

Explanation opens after your attempt
Correct Answer

D. Confirmed plasmid या insert analysisConfirmed plasmid or insert analysis

Explanation

Simple Explanation

Growth initial संकेत है लेकिन final confirmation plasmid analysis sequencing या PCR से मिलती है। / Growth is an initial sign but final confirmation comes from plasmid analysis sequencing or PCR.

Open Question Page
Ask Friends

Competent host topic में troubleshooting क्यों महत्वपूर्ण है?

Why is troubleshooting important in competent host topic?

Explanation opens after your attempt
Correct Answer

A. Low colonies contamination या wrong selection समझने के लिएTo understand low colonies contamination or wrong selection

Explanation

Simple Explanation

Transformation results में कई practical factors असर डालते हैं। Troubleshooting सही cause पहचानने में मदद करता है। / Many practical factors affect transformation results. Troubleshooting helps identify the correct cause.

Open Question Page
Ask Friends

Level 32 का सबसे सुरक्षित exam summary क्या है?

What is the safest exam summary of Level 32?

Explanation opens after your attempt
Correct Answer

B. Competent cells को संभालना recovery selection और confirmation सभी जरूरी हैंHandling competent cells recovery selection and confirmation are all important

Explanation

Simple Explanation

Competent host experiment में cell viability DNA uptake selection और confirmation साथ चलते हैं। इन्हें workflow में याद रखें। / In competent host experiments cell viability DNA uptake selection and confirmation go together. Remember them in workflow.

Open Question Page
Ask Friends
FAQs

Class 11 Biotechnology Quiz FAQs

How many questions are in this quiz?

This level is designed for 50 active questions. Currently 50 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.