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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 371/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Expression host में soluble protein yield सुधारने के लिए क्या किया जा सकता है?

What can be done to improve soluble protein yield in an expression host?

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A. Lower temperature और folding supportLower temperature and folding support

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Lower temperature और chaperones folding में मदद कर सकते हैं। इससे soluble protein yield बढ़ सकती है। / Lower temperature and chaperones can help folding. This can increase soluble protein yield.

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Question 372/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Periplasmic targeting bacterial expression में कब useful हो सकता है?

When can periplasmic targeting be useful in bacterial expression?

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A. कुछ proteins की folding या disulfide formation मेंIn folding or disulfide formation of some proteins

Explanation

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Periplasm का environment कुछ proteins के folding में मदद कर सकता है। यह expression strategy है। / The periplasm environment can help folding of some proteins. It is an expression strategy.

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Question 373/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Secreted protein expression का एक practical लाभ क्या है?

What is one practical benefit of secreted protein expression?

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A. Purification आसान हो सकती हैPurification can be easier

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Protein medium में secreted हो तो cell lysis कम जरूरत हो सकती है। इससे purification आसान हो सकती है। / If protein is secreted into the medium cell lysis may be less needed. This can make purification easier.

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Question 374/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Protein tag expression construct में क्यों जोड़ा जाता है?

Why is a protein tag added in an expression construct?

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A. Detection और purification आसान करने के लिएTo make detection and purification easier

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Protein tag recombinant product को identify और purify करने में मदद करता है। His tag common example है। / A protein tag helps identify and purify the recombinant product. His tag is a common example.

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Question 375/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Reporter gene और selectable marker में मुख्य अंतर क्या है?

What is the main difference between a reporter gene and a selectable marker?

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A. Reporter signal देता है और marker selection देता हैReporter gives signal and marker gives selection

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Reporter visible signal दे सकता है जबकि selectable marker growth selection देता है। दोनों screening strategy में अलग roles रखते हैं। / A reporter can give visible signal while a selectable marker gives growth selection. Both have different roles in screening strategy.

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Question 376/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

GFP reporter किस कारण useful है?

Why is GFP reporter useful?

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A. Fluorescence से expression signal मिलता हैFluorescence gives an expression signal

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GFP fluorescence signal दे सकता है। यह reporter gene का common example है। / GFP can give a fluorescence signal. It is a common example of a reporter gene.

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Question 377/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Yeast में nutritional marker किस principle पर काम करता है?

On what principle does a nutritional marker work in yeast?

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A. Nutrient requirement को restore करनाRestoring a nutrient requirement

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Auxotrophic yeast किसी nutrient के बिना grow नहीं करता। Marker उस growth ability को restore कर सकता है। / Auxotrophic yeast does not grow without a nutrient. A marker can restore that growth ability.

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Question 378/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Plant host में selectable marker चुनते समय क्या ध्यान रखा जाता है?

What is considered while choosing a selectable marker in a plant host?

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A. Host tissue और culture conditionHost tissue and culture condition

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Plant selection marker system tissue culture conditions से match होना चाहिए। तभी transformed cells चुनी जा सकती हैं। / A plant selection marker system should match tissue culture conditions. Only then transformed cells can be selected.

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Question 379/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Animal cell transfection में selection कब उपयोगी होती है?

When is selection useful in animal cell transfection?

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A. Vector लेने वाली cells चुनने के लिएTo select cells that received the vector

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Selection transfected cells को identify और enrich करने में मदद करती है। Principle bacterial selection जैसा ही है। / Selection helps identify and enrich transfected cells. The principle is similar to bacterial selection.

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Question 380/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Microinjection में competent host concept कैसे लागू होता है?

How does the competent host concept apply in microinjection?

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A. DNA direct cell या nucleus में दिया जाता हैDNA is delivered directly into cell or nucleus

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Microinjection में DNA को directly deliver किया जाता है। यह bacterial chemical transformation से अलग delivery method है। / In microinjection DNA is delivered directly. It is different from bacterial chemical transformation.

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