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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 261/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Negative control का उद्देश्य क्या है?

What is the purpose of a negative control?

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A. Contamination या background growth check करनाChecking contamination or background growth

Explanation

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Negative control में plasmid नहीं होता। Growth आने पर contamination या selection problem हो सकती है। / A negative control has no plasmid. Growth can indicate contamination or selection problem.

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Question 262/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

No growth मिलने पर हमेशा एक ही कारण क्यों नहीं मानना चाहिए?

Why should no growth not always be assumed to have only one cause?

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A. कई factors जैसे competence DNA और antibiotic असर कर सकते हैंMany factors like competence DNA and antibiotic can affect it

Explanation

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No growth poor competence wrong antibiotic या DNA issue से हो सकता है। Controls cause पहचानने में मदद करते हैं। / No growth can occur due to poor competence wrong antibiotic or DNA issue. Controls help identify the cause.

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Question 263/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

बहुत अधिक background growth क्या दिखा सकती है?

What can too much background growth show?

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A. Weak selection या contaminationWeak selection or contamination

Explanation

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Background growth weak antibiotic contamination या empty vector से हो सकती है। Screening और controls जरूरी हैं। / Background growth can come from weak antibiotic contamination or empty vector. Screening and controls are needed.

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Question 264/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Host-vector compatibility का best meaning क्या है?

What is the best meaning of host-vector compatibility?

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A. Vector host में replicate और express हो सकेVector can replicate and express in host

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Host-vector compatibility में ori marker promoter जैसे elements host में काम करते हैं। यह success के लिए जरूरी है। / In host-vector compatibility elements like ori marker promoter work in the host. This is needed for success.

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Question 265/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Ori compatibility क्यों जरूरी है?

Why is ori compatibility important?

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A. Plasmid replication के लिएFor plasmid replication

Explanation

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Ori host replication machinery से compatible होना चाहिए। Otherwise plasmid copies नहीं बनेंगी। / Ori should be compatible with the host replication machinery. Otherwise plasmid copies will not form.

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Question 266/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Marker compatibility क्यों जरूरी है?

Why is marker compatibility important?

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A. Selection काम करने के लिएFor selection to work

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Marker host में express होना चाहिए और selection condition से match होना चाहिए। तभी transformants चुने जाते हैं। / The marker should express in the host and match the selection condition. Only then transformants are selected.

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Question 267/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Promoter compatibility कब जरूरी है?

When is promoter compatibility necessary?

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A. जब gene expression चाहिएWhen gene expression is needed

Explanation

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Expression experiment में promoter host machinery द्वारा recognized होना चाहिए। Simple cloning में promoter हमेशा जरूरी नहीं है। / In expression experiments the promoter should be recognized by host machinery. In simple cloning a promoter is not always needed.

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Question 268/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Plasmid burden कैसे घटाया जा सकता है?

How can plasmid burden be reduced?

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A. Low-copy vector या controlled expression सेBy low-copy vector or controlled expression

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Low-copy vector और controlled expression host resource load कम कर सकते हैं। Toxic inserts में यह उपयोगी है। / A low-copy vector and controlled expression can reduce host resource load. This is useful for toxic inserts.

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Question 269/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Toxic insert host को कैसे प्रभावित कर सकता है?

How can a toxic insert affect a host?

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A. Host growth धीमी या death हो सकती हैHost growth can slow or death can occur

Explanation

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Toxic gene product host health को नुकसान पहुँचा सकता है। Controlled expression या suitable host जरूरी हो सकता है। / A toxic gene product can harm host health. Controlled expression or a suitable host may be needed.

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Question 270/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 35

Insert stability किससे प्रभावित हो सकती है?

What can affect insert stability?

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A. Host recombination और copy numberHost recombination and copy number

Explanation

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Recombination और high copy burden insert stability को प्रभावित कर सकते हैं। Suitable host strain helpful हो सकता है। / Recombination and high copy burden can affect insert stability. A suitable host strain can help.

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