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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 381/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Gene gun method plant cells में किस barrier को bypass करने में मदद कर सकता है?

Gene gun method can help bypass which barrier in plant cells?

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A. Cell wall barrier

Explanation

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Gene gun DNA-coated particles को force से cells में भेजता है। इससे plant cell wall barrier पार करने में मदद मिलती है। / Gene gun sends DNA-coated particles into cells by force. This helps cross the plant cell wall barrier.

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Question 382/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Protoplast में DNA delivery आसान क्यों हो सकती है?

Why can DNA delivery be easier in a protoplast?

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A. Cell wall हट जाती हैCell wall is removed

Explanation

Simple Explanation

Protoplast plant cell है जिसकी cell wall हटाई गई होती है। इससे DNA entry आसान हो सकती है। / A protoplast is a plant cell with its cell wall removed. This can make DNA entry easier.

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Question 383/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Competent host experiment में master plate क्यों सुरक्षित रखी जाती है?

Why is a master plate kept safe in competent host experiments?

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A. Original clones को फिर से recover करने के लिएTo recover original clones again

Explanation

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Screening plates से result मिलने के बाद master plate से desired colony pick की जा सकती है। यह clone identity बचाती है। / After getting results from screening plates the desired colony can be picked from the master plate. It preserves clone identity.

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Question 384/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Replica plating का key advantage क्या है?

What is the key advantage of replica plating?

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A. Colony pattern की identity बनाए रखनाMaintaining identity of colony pattern

Explanation

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Replica plating same colony arrangement को different plates पर test करने देती है। यह screening में useful है। / Replica plating allows the same colony arrangement to be tested on different plates. It is useful in screening.

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Question 385/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Library screening में probe का उपयोग किसलिए होता है?

Why is a probe used in library screening?

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A. Complementary sequence वाले clone को खोजने के लिएTo find a clone with complementary sequence

Explanation

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Probe target DNA sequence से complementary binding करता है। इससे desired clone identify हो सकता है। / A probe binds complementarily to the target DNA sequence. This can identify the desired clone.

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Question 386/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Competent host में genomic library और cDNA library दोनों में common role क्या है?

What is the common role of competent host in both genomic and cDNA libraries?

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A. Recombinant vectors maintain करनाMaintaining recombinant vectors

Explanation

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दोनों libraries में DNA fragments vectors में clone होते हैं। Competent host इन vectors को maintain करता है। / In both libraries DNA fragments are cloned into vectors. The competent host maintains these vectors.

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Question 387/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Competent host work में risk assessment क्यों किया जाता है?

Why is risk assessment done in competent host work?

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A. Host vector insert और marker की safety समझने के लिएTo understand safety of host vector insert and marker

Explanation

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Risk assessment safe handling और containment तय करता है। इसमें host vector insert और marker consider होते हैं। / Risk assessment decides safe handling and containment. Host vector insert and marker are considered.

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Question 388/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Non-pathogenic lab strain क्यों पसंद की जाती है?

Why is a non-pathogenic lab strain preferred?

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A. Safer handling के लिएFor safer handling

Explanation

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Non-pathogenic strains biosafety risk कम करते हैं। इसलिए educational और routine lab work में इन्हें prefer किया जाता है। / Non-pathogenic strains reduce biosafety risk. Therefore they are preferred in educational and routine lab work.

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Question 389/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Auxotrophic strain containment में कैसे मदद कर सकता है?

How can an auxotrophic strain help in containment?

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A. Outside environment में survival कम हो सकता हैSurvival outside environment may decrease

Explanation

Simple Explanation

Auxotrophic strains special nutrients पर depend कर सकते हैं। इससे uncontrolled survival कम हो सकती है। / Auxotrophic strains can depend on special nutrients. This can reduce uncontrolled survival.

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Question 390/445 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 37

Antibiotic resistance marker का biosafety concern क्या है?

What is the biosafety concern of an antibiotic resistance marker?

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Correct Answer

A. Resistance gene spread रोकना जरूरी हैSpread of resistance gene must be prevented

Explanation

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Resistance markers को containment के साथ handle करना चाहिए। Waste disposal भी safe होना चाहिए। / Resistance markers should be handled with containment. Waste disposal should also be safe.

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