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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 421/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Sequencing में mutation मिल जाए तो clone के लिए क्या समस्या हो सकती है?

If a mutation is found in sequencing what problem can it cause for the clone?

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A. Gene function बदल सकता हैGene function can change

Explanation

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Mutation gene product या function को बदल सकती है। इसलिए correct clone चुनना जरूरी है। / A mutation can change gene product or function. Therefore choosing the correct clone is necessary.

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Question 422/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Expression host में plasmid maintain और protein express दोनों के लिए क्या चाहिए?

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

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A. Compatible vector elements

Explanation

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Ori marker promoter और coding sequence host में काम करने चाहिए। तभी maintenance और expression possible है। / Ori marker promoter and coding sequence should work in the host. Only then maintenance and expression are possible.

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Question 423/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

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

What limitation can a bacterial host have for eukaryotic protein?

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A. कुछ modifications नहीं कर सकताIt cannot perform some modifications

Explanation

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Bacteria सभी eukaryotic post-translational modifications नहीं कर पाते। Complex proteins के लिए eukaryotic host useful हो सकता है। / Bacteria cannot perform all eukaryotic post-translational modifications. A eukaryotic host can be useful for complex proteins.

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Question 424/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Yeast और mammalian host में common advantage क्या हो सकता है?

What can be a common advantage of yeast and mammalian hosts?

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A. Eukaryotic expression features

Explanation

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दोनों eukaryotic hosts हैं। कुछ eukaryotic protein processing में ये bacteria से बेहतर हो सकते हैं। / Both are eukaryotic hosts. They can be better than bacteria for some eukaryotic protein processing.

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Question 425/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Plant tissue culture competent host context में क्यों जुड़ता है?

Why is plant tissue culture linked in competent host context?

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A. Transformed plant cells से plant regeneration के लिएFor plant regeneration from transformed plant cells

Explanation

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

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Question 426/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Agrobacterium method में modified Ti plasmid क्यों use होता है?

Why is a modified Ti plasmid used in Agrobacterium method?

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A. Desired DNA transfer के लिए vector की तरहAs a vector for desired DNA transfer

Explanation

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Ti plasmid plant cells में DNA transfer system से जुड़ा है। Modified form desired gene transfer में उपयोगी होता है। / Ti plasmid is linked with DNA transfer system into plant cells. A modified form is useful for desired gene transfer.

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Question 427/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Competent host में library construction के लिए high efficiency क्यों चाहिए?

Why is high efficiency needed for library construction in competent host?

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A. Many independent clones पाने के लिएTo obtain many independent clones

Explanation

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Library में कई अलग fragments represent होने चाहिए। High efficiency diversity बचाने में मदद करती है। / A library should represent many different fragments. High efficiency helps preserve diversity.

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Question 428/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Library diversity कम होने पर क्या समस्या होगी?

What problem occurs if library diversity is low?

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A. Desired clone missing हो सकता हैDesired clone may be missing

Explanation

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Low diversity में सभी DNA fragments represented नहीं होते। इससे desired clone मिलना कठिन हो सकता है। / In low diversity all DNA fragments are not represented. This can make finding the desired clone difficult.

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Question 429/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Hybridization probe library screening में किस principle पर काम करता है?

On what principle does a hybridization probe work in library screening?

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A. Complementary base pairing

Explanation

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Probe target sequence से complementary base pairing करता है। इससे desired clone identify हो सकता है। / A probe pairs complementarily with the target sequence. This can identify the desired clone.

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Question 430/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 38

Colony PCR और sequencing में क्या अंतर है?

What is the difference between colony PCR and sequencing?

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A. PCR presence संकेत देता है और sequencing exact sequence बताती हैPCR indicates presence and sequencing tells exact sequence

Explanation

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Colony PCR quick screening देता है। Sequencing final detailed confirmation देती है। / Colony PCR gives quick screening. Sequencing gives final detailed confirmation.

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