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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 131/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

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

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

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

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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.

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Question 132/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

Library diversity का क्या अर्थ है?

What does library diversity mean?

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

Explanation

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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.

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Question 133/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

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?

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

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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.

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Question 134/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

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

What can be done to prevent recombinant plasmid loss?

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

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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.

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Question 135/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

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?

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

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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.

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Question 136/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

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?

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

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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.

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Question 137/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

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

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

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

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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.

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Question 138/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

Yeast host bacterial host से किस मामले में अलग है?

How is yeast host different from bacterial host?

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C. Yeast eukaryotic organism हैYeast is a eukaryotic organism

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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.

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Question 139/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

Mammalian host cells का एक लाभ क्या है?

What is one advantage of mammalian host cells?

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

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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.

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Question 140/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

Plant host में selectable marker का उपयोग किसलिए होता है?

Why is a selectable marker used in plant host?

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

Explanation

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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.

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