Update
Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है
Subjects List
Study Context

Select your class

Class/stream choose karne par subjects, quizzes aur daily practice relevant content ke saath open honge.

Concept-wise Practice

cleanup MCQ Questions for Class 11

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

Practice Questions

11 questions tagged with cleanup.

Restriction fragment cleanup में ethanol wash के बाद drying क्यों जरूरी है?

Why is drying necessary after ethanol wash in restriction fragment cleanup?

Explanation opens after your attempt
Correct Answer

A. residual ethanol हटाने के लिएTo remove residual ethanol

Step 1

Concept

Residual ethanol can inhibit ligation or digestion. But avoid over-drying too.

Step 2

Why this answer is correct

The correct answer is A. residual ethanol हटाने के लिए / To remove residual ethanol. Residual ethanol can inhibit ligation or digestion. But avoid over-drying too.

Step 3

Exam Tip

Residual ethanol ligation या digestion inhibit कर सकता है। लेकिन over-drying भी avoid करें।

Open Question Page
Ask Friends

यदि DNA sample में RNA contamination हो तो restriction digestion पर सामान्यतः सबसे बड़ा effect क्या होगा?

If a DNA sample has RNA contamination what is generally the main effect on restriction digestion?

Explanation opens after your attempt
Correct Answer

B. accurate DNA quantification confuse हो सकती हैAccurate DNA quantification can be confused

Step 1

Concept

RNA contamination can affect DNA amount estimation. RNase treatment or cleanup can help.

Step 2

Why this answer is correct

The correct answer is B. accurate DNA quantification confuse हो सकती है / Accurate DNA quantification can be confused. RNA contamination can affect DNA amount estimation. RNase treatment or cleanup can help.

Step 3

Exam Tip

RNA contamination DNA amount estimate को प्रभावित कर सकती है। RNase treatment या cleanup helpful हो सकता है।

Open Question Page
Ask Friends

Restriction digestion product में small primer-like fragments क्यों problematic हो सकते हैं?

Why can small primer-like fragments be problematic in restriction digestion product?

Explanation opens after your attempt
Correct Answer

A. वे ligation में unwanted competition कर सकते हैंThey can cause unwanted competition in ligation

Step 1

Concept

Small DNA pieces with compatible ends can disturb ligation. Cleanup helps remove them.

Step 2

Why this answer is correct

The correct answer is A. वे ligation में unwanted competition कर सकते हैं / They can cause unwanted competition in ligation. Small DNA pieces with compatible ends can disturb ligation. Cleanup helps remove them.

Step 3

Exam Tip

छोटे DNA pieces compatible ends लेकर ligation reaction disturb कर सकते हैं। Cleanup इन्हें हटाने में मदद करता है।

Open Question Page
Ask Friends

Double digest में यदि एक enzyme heat-inactivated नहीं होता तो क्या किया जा सकता है?

What can be done if one enzyme in double digest is not heat-inactivated?

Explanation opens after your attempt
Correct Answer

A. cleanup या enzyme removal step use करेंUse cleanup or enzyme removal step

Step 1

Concept

A non-inactivated enzyme can remain active in next step. Cleanup helps stop unwanted cutting.

Step 2

Why this answer is correct

The correct answer is A. cleanup या enzyme removal step use करें / Use cleanup or enzyme removal step. A non-inactivated enzyme can remain active in next step. Cleanup helps stop unwanted cutting.

Step 3

Exam Tip

Non-inactivated enzyme next step में activity रख सकता है। Cleanup unwanted cutting रोकने में मदद करता है।

Open Question Page
Ask Friends

Sequential digestion में पहले enzyme के बाद cleanup कब जरूरी हो सकता है?

When can cleanup after the first enzyme be necessary in sequential digestion?

Explanation opens after your attempt
Correct Answer

A. जब दूसरा buffer पहले से incompatible होWhen second buffer is incompatible with first

Step 1

Concept

Salts or enzyme from first reaction can affect the second reaction. Cleanup or buffer exchange can help.

Step 2

Why this answer is correct

The correct answer is A. जब दूसरा buffer पहले से incompatible हो / When second buffer is incompatible with first. Salts or enzyme from first reaction can affect the second reaction. Cleanup or buffer exchange can help.

Step 3

Exam Tip

पहले reaction के salts या enzyme दूसरे reaction को affect कर सकते हैं। Cleanup या buffer exchange helpful हो सकता है।

Open Question Page
Ask Friends

Restriction digest के बाद छोटे कटे हुए adapter fragments क्यों हटाने चाहिए?

Why should small cut adapter fragments be removed after restriction digest?

Explanation opens after your attempt
Correct Answer

A. वे ligation reaction में unwanted competition दे सकते हैंThey can give unwanted competition in ligation reaction

Step 1

Concept

Small fragments can have compatible ends and confuse ligation. Cleanup removes them.

Step 2

Why this answer is correct

The correct answer is A. वे ligation reaction में unwanted competition दे सकते हैं / They can give unwanted competition in ligation reaction. Small fragments can have compatible ends and confuse ligation. Cleanup removes them.

Step 3

Exam Tip

Small fragments compatible ends रख सकते हैं और ligation में confuse कर सकते हैं। Cleanup इन्हें हटाता है।

Open Question Page
Ask Friends

Heat inactivation के बाद भी cleanup कब बेहतर हो सकता है?

When can cleanup be better even after heat inactivation?

Explanation opens after your attempt
Correct Answer

A. जब buffer salts या enzymes next step affect करेंWhen buffer salts or enzymes affect next step

Step 1

Concept

Heat inactivation can stop enzyme but salts and proteins may remain. Cleanup can improve next reaction.

Step 2

Why this answer is correct

The correct answer is A. जब buffer salts या enzymes next step affect करें / When buffer salts or enzymes affect next step. Heat inactivation can stop enzyme but salts and proteins may remain. Cleanup can improve next reaction.

Step 3

Exam Tip

Heat inactivation enzyme रोक सकती है लेकिन salts और proteins रह सकते हैं। Cleanup next reaction को सुधार सकता है।

Open Question Page
Ask Friends

Restriction cutting के बाद ligation से पहले DNA ends की cleanliness क्यों जरूरी है?

Why is cleanliness of DNA ends important before ligation after restriction cutting?

Explanation opens after your attempt
Correct Answer

A. contaminants ligase activity रोक सकते हैंContaminants can inhibit ligase activity

Step 1

Concept

Salt ethanol phenol or enzymes can interfere with ligation. Clean DNA ends give better joining.

Step 2

Why this answer is correct

The correct answer is A. contaminants ligase activity रोक सकते हैं / Contaminants can inhibit ligase activity. Salt ethanol phenol or enzymes can interfere with ligation. Clean DNA ends give better joining.

Step 3

Exam Tip

Salt ethanol phenol या enzymes ligation में बाधा डाल सकते हैं। Clean DNA ends बेहतर joining देते हैं।

Open Question Page
Ask Friends

Alkaline phosphatase treatment के बाद cleanup क्यों जरूरी हो सकता है?

Why can cleanup be needed after alkaline phosphatase treatment?

Explanation opens after your attempt
Correct Answer

A. phosphatase हटाने के लिए जो ligation को affect कर सकती हैTo remove phosphatase that can affect ligation

Step 1

Concept

Residual phosphatase can keep removing phosphate in ligation setup. Therefore cleanup is useful.

Step 2

Why this answer is correct

The correct answer is A. phosphatase हटाने के लिए जो ligation को affect कर सकती है / To remove phosphatase that can affect ligation. Residual phosphatase can keep removing phosphate in ligation setup. Therefore cleanup is useful.

Step 3

Exam Tip

Residual phosphatase ligation setup में phosphate removal जारी रख सकती है। इसलिए cleanup useful है।

Open Question Page
Ask Friends

Restriction digestion cleanup के बाद DNA concentration फिर क्यों मापी जाती है?

Why is DNA concentration measured again after restriction digestion cleanup?

Explanation opens after your attempt
Correct Answer

A. cleanup में DNA loss हो सकता हैDNA loss can occur during cleanup

Step 1

Concept

Cleanup recovery is not complete. Actual DNA concentration is needed for ligation setup.

Step 2

Why this answer is correct

The correct answer is A. cleanup में DNA loss हो सकता है / DNA loss can occur during cleanup. Cleanup recovery is not complete. Actual DNA concentration is needed for ligation setup.

Step 3

Exam Tip

Cleanup recovery पूर्ण नहीं होती। Ligation setup के लिए actual DNA concentration जानना जरूरी है।

Open Question Page
Ask Friends

Soil DNA extraction में inhibitor समस्या को कैसे घटाया जा सकता है?

How can inhibitor problems be reduced in soil DNA extraction?

Explanation opens after your attempt
Correct Answer

A. special cleanup steps सेBy special cleanup steps

Step 1

Concept

Soil samples may contain humic substances. Cleanup steps reduce inhibitors.

Step 2

Why this answer is correct

The correct answer is A. special cleanup steps से / By special cleanup steps. Soil samples may contain humic substances. Cleanup steps reduce inhibitors.

Step 3

Exam Tip

Soil samples में humic substances हो सकते हैं। Cleanup steps inhibitors घटाते हैं।

Open Question Page
Ask Friends