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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 331/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Plant transformation में regeneration step क्यों जरूरी हो सकता है?

Why can a regeneration step be needed in plant transformation?

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A. Transformed cell से पूरा plant बनाने के लिएTo make a whole plant from a transformed cell

Explanation

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Plant cells को transformed होने के बाद whole plant में regenerate करना पड़ सकता है। यह bacteria से अलग feature है। / Plant cells may need to regenerate into a whole plant after transformation. This is different from bacteria.

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Question 332/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Agrobacterium को plant biotechnology में natural genetic engineer क्यों कहा जाता है?

Why is Agrobacterium called a natural genetic engineer in plant biotechnology?

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A. क्योंकि यह plant cells में DNA transfer कर सकता हैBecause it can transfer DNA into plant cells

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Agrobacterium T-DNA transfer की क्षमता रखता है। इसलिए यह plant transformation में important है। / Agrobacterium has T-DNA transfer ability. Therefore it is important in plant transformation.

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Question 333/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Animal cells में DNA introduction को अक्सर क्या कहा जाता है?

What is DNA introduction into animal cells often called?

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A. Transfection

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Animal और other eukaryotic cells में DNA introduction को transfection कहा जाता है। Bacteria में transformation term common है। / DNA introduction into animal and other eukaryotic cells is called transfection. In bacteria transformation is common.

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Question 334/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Yeast host का एक advantage क्या है?

What is one advantage of a yeast host?

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A. कुछ eukaryotic processing कर सकता हैIt can perform some eukaryotic processing

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Yeast एक eukaryotic host है। कुछ eukaryotic proteins के लिए यह bacterial host से बेहतर हो सकता है। / Yeast is a eukaryotic host. It can be better than bacterial hosts for some eukaryotic proteins.

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Question 335/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Mammalian host cell कब चुनना सही हो सकता है?

When can choosing a mammalian host cell be appropriate?

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A. Complex eukaryotic protein processing चाहिएComplex eukaryotic protein processing is needed

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Mammalian cells complex proteins की processing में मदद कर सकती हैं। लेकिन उनका culture system जटिल हो सकता है। / Mammalian cells can help process complex proteins. But their culture system can be complex.

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Question 336/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Host range का cloning vector के लिए क्या अर्थ है?

What does host range mean for a cloning vector?

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A. वेक्टर किन hosts में काम कर सकता हैIn which hosts the vector can work

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Host range vector की compatibility बताता है। Broad host range vector कई hosts में काम कर सकता है। / Host range indicates vector compatibility. A broad host range vector can work in many hosts.

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Question 337/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Broad host range vector का मुख्य लाभ क्या है?

What is the main advantage of a broad host range vector?

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A. यह कई species में replicate हो सकता हैIt can replicate in many species

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Broad host range vector अधिक host options देता है। यह flexible cloning work में उपयोगी हो सकता है। / A broad host range vector gives more host options. It can be useful in flexible cloning work.

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Question 338/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Promoter compatibility expression host में क्यों जरूरी है?

Why is promoter compatibility necessary in an expression host?

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A. Host transcription machinery promoter को पहचान सकेHost transcription machinery can recognize the promoter

Explanation

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Promoter को host machinery recognize करनी चाहिए। Otherwise gene expression कमजोर या absent हो सकता है। / The promoter must be recognized by host machinery. Otherwise gene expression can be weak or absent.

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Question 339/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Codon bias expression host में क्या असर डाल सकता है?

What effect can codon bias have in an expression host?

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A. Protein yield बदल सकता हैProtein yield can change

Explanation

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Host preferred codons translation efficiency पर असर डालते हैं। Codon optimization expression बढ़ा सकता है। / Host-preferred codons affect translation efficiency. Codon optimization can improve expression.

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Question 340/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 36

Inducible expression system toxic gene के लिए क्यों उपयोगी है?

Why is an inducible expression system useful for a toxic gene?

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A. Expression को जरूरत पड़ने पर चालू करने के लिएTo turn on expression only when needed

Explanation

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Toxic gene का uncontrolled expression host को नुकसान दे सकता है। Inducible system expression control देता है। / Uncontrolled expression of a toxic gene can harm the host. An inducible system gives expression control.

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