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protein contamination MCQ Questions for Class 11

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

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4 questions tagged with protein contamination.

Question 1/4 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 56

Protein contamination restriction digestion में क्यों समस्या है?

Why is protein contamination a problem in restriction digestion?

Explanation opens after your attempt
Correct Answer

A. यह enzyme reaction को inhibit या interfere कर सकती हैIt can inhibit or interfere with enzyme reaction

Step 1

Concept

Protein contamination can affect enzyme accessibility and activity. Clean DNA sample gives better digestion.

Step 2

Why this answer is correct

The correct answer is A. यह enzyme reaction को inhibit या interfere कर सकती है / It can inhibit or interfere with enzyme reaction. Protein contamination can affect enzyme accessibility and activity. Clean DNA sample gives better digestion.

Step 3

Exam Tip

Protein contamination enzyme accessibility और activity को प्रभावित कर सकती है। Clean DNA sample बेहतर digestion देता है।

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Question 2/4 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 40

A260 by A280 ratio बहुत कम हो तो क्या संकेत मिल सकता है?

What can a very low A260 by A280 ratio indicate?

Explanation opens after your attempt
Correct Answer

B. Protein contamination

Step 1

Concept

A low A260 by A280 ratio can indicate protein or phenol contamination. Remember the ratio in quality check.

Step 2

Why this answer is correct

The correct answer is B. Protein contamination. A low A260 by A280 ratio can indicate protein or phenol contamination. Remember the ratio in quality check.

Step 3

Exam Tip

कम A260 by A280 ratio protein या phenol contamination का संकेत दे सकता है। Ratio को quality check में याद रखें।

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Question 3/4 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 40

DNA sample में protein contamination क्यों समस्या है?

Why is protein contamination a problem in a DNA sample?

Explanation opens after your attempt
Correct Answer

A. यह downstream reactions में बाधा डाल सकती हैIt can interfere with downstream reactions

Step 1

Concept

Protein contamination can affect enzyme reactions and purity readings. Protein removal is necessary.

Step 2

Why this answer is correct

The correct answer is A. यह downstream reactions में बाधा डाल सकती है / It can interfere with downstream reactions. Protein contamination can affect enzyme reactions and purity readings. Protein removal is necessary.

Step 3

Exam Tip

Protein contamination enzyme reactions और purity readings को प्रभावित कर सकती है। Protein removal जरूरी है।

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Question 4/4 Easy Biotechnology Processes of Recombinant DNA Technology Isolation of DNA Class 11 Level 39

Protein contamination का संकेत किस ratio से मिल सकता है?

Which ratio can indicate protein contamination?

Explanation opens after your attempt
Correct Answer

D. A260 by A280

Step 1

Concept

The A260 by A280 ratio indicates DNA purity. A low value can suggest protein contamination.

Step 2

Why this answer is correct

The correct answer is D. A260 by A280. The A260 by A280 ratio indicates DNA purity. A low value can suggest protein contamination.

Step 3

Exam Tip

A260 by A280 ratio DNA purity का संकेत देता है। कम value protein contamination की ओर इशारा कर सकती है।

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