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bacterial DNA MCQ Questions for Class 11

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

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3 questions tagged with bacterial DNA.

Question 1/3 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 52

Dam methylation किस base से जुड़ी होती है?

Dam methylation is related to which base?

Explanation opens after your attempt
Correct Answer

A. adenine methylation in certain bacterial sites

Step 1

Concept

Dam methylation is linked with adenine modification in bacterial DNA. It can affect cutting by some enzymes.

Step 2

Why this answer is correct

The correct answer is A. adenine methylation in certain bacterial sites. Dam methylation is linked with adenine modification in bacterial DNA. It can affect cutting by some enzymes.

Step 3

Exam Tip

Dam methylation bacterial DNA में adenine modification से जुड़ी है। यह कुछ enzyme cutting को प्रभावित कर सकती है।

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Question 2/3 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 48

Dam या Dcm methylation किससे जुड़ी हो सकती है?

Dam or Dcm methylation can be related to what?

Explanation opens after your attempt
Correct Answer

A. bacterial DNA methylation

Step 1

Concept

Some bacterial strains methylate DNA. This can affect restriction digestion patterns.

Step 2

Why this answer is correct

The correct answer is A. bacterial DNA methylation. Some bacterial strains methylate DNA. This can affect restriction digestion patterns.

Step 3

Exam Tip

कुछ bacterial strains DNA को methylate करते हैं। यह restriction digestion patterns को प्रभावित कर सकता है।

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Question 3/3 Easy Biotechnology Principles of Biotechnology Restriction Enzymes Class 11 Level 11

जीवाणु अपना डीएनए प्रतिबंध एंजाइम से कैसे बचाते हैं?

How do bacteria protect their own DNA from restriction enzymes?

Explanation opens after your attempt
Correct Answer

B. मेथिलेशन द्वाराBy methylation

Step 1

Concept

Bacteria protect their own DNA by methylation. Foreign DNA can be cut if it is not methylated.

Step 2

Why this answer is correct

The correct answer is B. मेथिलेशन द्वारा / By methylation. Bacteria protect their own DNA by methylation. Foreign DNA can be cut if it is not methylated.

Step 3

Exam Tip

जीवाणु अपने डीएनए को मेथिलेशन से सुरक्षित रखते हैं। विदेशी डीएनए मेथिलेटेड न होने पर कट सकता है।

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