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Biotechnology Competent Host MCQ Questions for Class 11 Science

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01 Practice Topic Genetic Engineering 200 MCQs 02 Practice Topic Bioprocess Engineering 300 MCQs 03 Practice Topic Restriction Enzymes 345 MCQs 04 Practice Topic Ligase Enzymes 290 MCQs 05 Practice Topic Cloning Vectors 295 MCQs

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Question 231/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Spill management क्यों जरूरी है?

Why is spill management necessary?

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A. Modified cells के accidental spread को रोकने के लिएTo prevent accidental spread of modified cells

Explanation

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Spills को biosafety protocol से manage करना चाहिए। इससे contamination और exposure risk कम होता है। / Spills should be managed by biosafety protocol. This reduces contamination and exposure risk.

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Question 232/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Competent host records में क्या लिखना उपयोगी है?

What is useful to write in competent host records?

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A. Strain plasmid marker और dateStrain plasmid marker and date

Explanation

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Records traceability बनाए रखते हैं। Strain plasmid marker और date future tracking में मदद करते हैं। / Records maintain traceability. Strain plasmid marker and date help future tracking.

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Question 233/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Reproducibility का अर्थ क्या है?

What does reproducibility mean?

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A. Same conditions में similar results मिलनाGetting similar results under same conditions

Explanation

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Reproducibility experiment की reliability दिखाती है। Proper controls और records इसमें मदद करते हैं। / Reproducibility shows experiment reliability. Proper controls and records help it.

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Question 234/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Internal control क्यों useful होता है?

Why is an internal control useful?

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A. Procedure सही चल रही है या नहीं देखने के लिएTo see whether the procedure is working correctly

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Controls result interpretation में confidence देते हैं। बिना controls troubleshooting कठिन हो जाती है। / Controls give confidence in result interpretation. Without controls troubleshooting becomes difficult.

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Question 235/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

किस result को suspicious माना जाएगा?

Which result will be considered suspicious?

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A. Negative control पर growth होGrowth occurs on negative control

Explanation

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Negative control growth contamination या selection failure दिखा सकती है। इसे suspicious result माना जाएगा। / Growth on negative control can show contamination or selection failure. It will be considered suspicious.

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Question 236/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Positive control भी fail हो जाए तो क्या संभावना है?

What is likely if even the positive control fails?

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A. Cells या method में problemProblem with cells or method

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Positive control failure competent cells या protocol की समस्या दिखाता है। Troubleshooting में यह key point है। / Positive control failure shows a problem with competent cells or protocol. This is a key point in troubleshooting.

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Question 237/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Test sample fail हो लेकिन positive control work करे तो क्या हो सकता है?

What can be possible if test sample fails but positive control works?

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A. Test DNA या construct problem हो सकती हैTest DNA or construct may have a problem

Explanation

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Positive control working बताता है कि cells competent हैं। Test DNA quality ligation या marker issue हो सकता है। / A working positive control shows cells are competent. Test DNA quality ligation or marker can be the issue.

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Question 238/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Too many background colonies का कारण क्या हो सकता है?

What can cause too many background colonies?

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A. Weak selection या contaminationWeak selection or contamination

Explanation

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Background colonies weak antibiotic contamination या empty vector से आ सकती हैं। Screening और controls जरूरी हैं। / Background colonies can come from weak antibiotic contamination or empty vector. Screening and controls are necessary.

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Question 239/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

किस कारण transformed colony में insert नहीं हो सकता?

Why may a transformed colony lack insert?

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A. Empty vector self-ligation

Explanation

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Empty vector marker के कारण selected हो सकता है लेकिन insert नहीं रखता। इसे screening से पहचाना जाता है। / An empty vector can be selected due to the marker but lacks insert. It is identified by screening.

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Question 240/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 34

Satellite colonies किस condition में दिख सकती हैं?

In which condition can satellite colonies appear?

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A. Antibiotic breakdown के आसपास sensitive cells grow करेंSensitive cells grow around antibiotic breakdown

Explanation

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कुछ antibiotics nearby resistant colony के कारण कम effective हो सकते हैं। इससे छोटी satellite colonies दिख सकती हैं। / Some antibiotics can become less effective near resistant colonies. This can produce small satellite colonies.

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