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e coli MCQ Questions for Class 11

e coli se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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10 questions tagged with e coli.

Question 1/10 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 33

किस कारण से ई कोलाई को क्लोनिंग में प्रयोगशाला-अनुकूल होस्ट माना जाता है?

Why is E coli considered a lab-friendly host in cloning?

Explanation opens after your attempt
Correct Answer

A. यह आसानी से उगती है और संभाली जा सकती हैIt grows easily and can be handled

Step 1

Concept

E coli grows fast under simple conditions. It is a common host for plasmid cloning.

Step 2

Why this answer is correct

The correct answer is A. यह आसानी से उगती है और संभाली जा सकती है / It grows easily and can be handled. E coli grows fast under simple conditions. It is a common host for plasmid cloning.

Step 3

Exam Tip

ई कोलाई सरल conditions में तेजी से बढ़ती है। यह प्लास्मिड क्लोनिंग के लिए सामान्य होस्ट है।

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Question 2/10 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 32

Routine plasmid transformation में किस तरह की cells पर्याप्त हो सकती हैं?

What type of cells may be sufficient for routine plasmid transformation?

Explanation opens after your attempt
Correct Answer

C. Standard chemically competent cells

Step 1

Concept

Standard competent E coli cells may be enough for routine plasmid transformation. High-efficiency cells are better for difficult libraries.

Step 2

Why this answer is correct

The correct answer is C. Standard chemically competent cells. Standard competent E coli cells may be enough for routine plasmid transformation. High-efficiency cells are better for difficult libraries.

Step 3

Exam Tip

Routine plasmid transformation में standard competent E coli cells पर्याप्त हो सकती हैं। कठिन libraries के लिए high efficiency cells बेहतर होती हैं।

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Question 3/10 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 31

ई कोलाई के लिए सामान्य lab incubation temperature क्या माना जाता है?

What is considered a common lab incubation temperature for E coli?

Explanation opens after your attempt
Correct Answer

A. लगभग 37 डिग्री सेल्सियसAbout 37 degrees Celsius

Step 1

Concept

E coli generally grows well around 37 degrees Celsius. Exact condition can depend on the experiment.

Step 2

Why this answer is correct

The correct answer is A. लगभग 37 डिग्री सेल्सियस / About 37 degrees Celsius. E coli generally grows well around 37 degrees Celsius. Exact condition can depend on the experiment.

Step 3

Exam Tip

E coli सामान्यतः 37 डिग्री सेल्सियस के आसपास अच्छी growth दिखाता है। Exact condition experiment पर निर्भर कर सकती है।

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Question 4/10 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 31

Chemical competent ई कोलाई बनाने में कौन सा salt commonly पढ़ा जाता है?

Which salt is commonly studied for making chemically competent E coli?

Explanation opens after your attempt
Correct Answer

C. Calcium chloride

Step 1

Concept

Calcium chloride is a common chemical treatment for E coli competence. It can make DNA uptake easier.

Step 2

Why this answer is correct

The correct answer is C. Calcium chloride. Calcium chloride is a common chemical treatment for E coli competence. It can make DNA uptake easier.

Step 3

Exam Tip

Calcium chloride E coli competence के लिए common chemical treatment है। यह DNA uptake को आसान बना सकता है।

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Question 5/10 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 30

Recombinant protein production में common bacterial host कौन सा है?

Which is a common bacterial host for recombinant protein production?

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Correct Answer

B. Escherichia coli

Step 1

Concept

E coli is common in recombinant protein expression and plasmid cloning. Expression needs proper vector and conditions.

Step 2

Why this answer is correct

The correct answer is B. Escherichia coli. E coli is common in recombinant protein expression and plasmid cloning. Expression needs proper vector and conditions.

Step 3

Exam Tip

E coli recombinant protein expression और plasmid cloning दोनों में common host है। Expression के लिए सही vector और conditions चाहिए।

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Question 6/10 Easy Biotechnology Principles of Biotechnology Competent Host Class 11 Level 30

प्लास्मिड क्लोनिंग में सामान्य बैक्टीरियल होस्ट कौन सा है?

Which is a common bacterial host in plasmid cloning?

Explanation opens after your attempt
Correct Answer

D. ई कोलाईE coli

Step 1

Concept

E coli grows fast and can maintain plasmids. Therefore it is a common cloning host.

Step 2

Why this answer is correct

The correct answer is D. ई कोलाई / E coli. E coli grows fast and can maintain plasmids. Therefore it is a common cloning host.

Step 3

Exam Tip

ई कोलाई तेजी से बढ़ता है और प्लास्मिड रख सकता है। इसलिए यह क्लोनिंग में सामान्य होस्ट है।

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Question 7/10 Easy Biotechnology Principles of Biotechnology Cloning Vectors Class 11 Level 27

कौन सा होस्ट plasmid cloning में commonly उपयोग किया जाता है?

Which host is commonly used in plasmid cloning?

Explanation opens after your attempt
Correct Answer

A. एशेरिशिया कोलाईEscherichia coli

Step 1

Concept

Escherichia coli is a common host for plasmid cloning. It grows fast and is easy to handle in labs.

Step 2

Why this answer is correct

The correct answer is A. एशेरिशिया कोलाई / Escherichia coli. Escherichia coli is a common host for plasmid cloning. It grows fast and is easy to handle in labs.

Step 3

Exam Tip

Escherichia coli plasmid cloning का common host है। यह तेजी से बढ़ता है और lab में संभालना आसान है।

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Question 8/10 Easy Biotechnology Principles of Biotechnology Cloning Vectors Class 11 Level 25

कौन सा cloning vector bacteria में common host के साथ उपयोगी है?

Which cloning vector is useful with a common bacterial host?

Explanation opens after your attempt
Correct Answer

A. Plasmid vector

Step 1

Concept

Plasmid vectors are often used in bacterial hosts like E coli. They are common in simple cloning.

Step 2

Why this answer is correct

The correct answer is A. Plasmid vector. Plasmid vectors are often used in bacterial hosts like E coli. They are common in simple cloning.

Step 3

Exam Tip

Plasmid vectors अक्सर E coli जैसे bacterial host में उपयोग किए जाते हैं। ये simple cloning में common हैं।

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Question 9/10 Easy Biotechnology Principles of Biotechnology Cloning Vectors Class 11 Level 24

कौन सा host cloning vectors के साथ commonly प्रयोग किया जाता है?

Which host is commonly used with cloning vectors?

Explanation opens after your attempt
Correct Answer

A. एशेरिशिया कोलाईEscherichia coli

Step 1

Concept

Escherichia coli is a very common host for plasmid cloning. It grows fast and is easy to handle in the lab.

Step 2

Why this answer is correct

The correct answer is A. एशेरिशिया कोलाई / Escherichia coli. Escherichia coli is a very common host for plasmid cloning. It grows fast and is easy to handle in the lab.

Step 3

Exam Tip

Escherichia coli plasmid cloning के लिए बहुत common host है। यह जल्दी बढ़ता है और प्रयोगशाला में संभालना आसान है।

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Question 10/10 Easy Biotechnology Principles of Biotechnology Genetic Engineering Class 11 Level 4

कौन सा जीव आनुवंशिक अभियांत्रिकी प्रयोगों में सामान्य मेजबान के रूप में उपयोग होता है?

Which organism is commonly used as a host in genetic engineering experiments?

Explanation opens after your attempt
Correct Answer

A. ईशेरिशिया कोलाईEscherichia coli

Step 1

Concept

Escherichia coli is a common host due to fast growth and easy handling. For exams remember it as a bacterial host.

Step 2

Why this answer is correct

The correct answer is A. ईशेरिशिया कोलाई / Escherichia coli. Escherichia coli is a common host due to fast growth and easy handling. For exams remember it as a bacterial host.

Step 3

Exam Tip

ईशेरिशिया कोलाई तेज वृद्धि और सरल पालन के कारण सामान्य मेजबान है। परीक्षा में इसे जीवाणु मेजबान याद रखें।

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