Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
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Showing 171-180 of 295 questions.
Which vector is known for carrying large DNA inserts?
A. बीएसीBAC
BAC large DNA inserts cloning के लिए उपयोगी है। इसे bacterial artificial chromosome से जोड़ें। / BAC is useful for cloning large DNA inserts. Link it with bacterial artificial chromosome.
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A. Yeast artificial chromosome
YAC yeast artificial chromosome है। यह बहुत बड़े DNA inserts के लिए उपयोगी हो सकता है। / YAC is yeast artificial chromosome. It can be useful for very large DNA inserts.
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Which vector is based on bacteriophage?
A. फेज वेक्टरPhage vector
Bacteriophage bacteria को infect करने वाला virus है। उसके modified रूप cloning vector बन सकते हैं। / A bacteriophage is a virus that infects bacteria. Its modified forms can become cloning vectors.
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A cosmid vector is a mixed idea of what?
A. Plasmid features और phage cos sitesPlasmid features and phage cos sites
Cosmid plasmid-like vector होता है जिसमें phage cos sites होते हैं। यह larger DNA inserts के लिए उपयोगी हो सकता है। / A cosmid is a plasmid-like vector with phage cos sites. It can be useful for larger DNA inserts.
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When is a promoter more necessary in a cloning vector?
A. जब gene expression चाहिएWhen gene expression is needed
Promoter gene expression शुरू कराने में मदद करता है। Expression vector में promoter विशेष रूप से महत्वपूर्ण होता है। / A promoter helps start gene expression. It is especially important in an expression vector.
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What is one simple difference between a cloning vector and an expression vector?
A. क्लोनिंग vector copy बनाता है और expression vector product बनवाता हैCloning vector makes copies and expression vector helps make product
Cloning vector का लक्ष्य DNA copies बढ़ाना है। Expression vector gene product बनवाने के लिए design हो सकता है। / The aim of a cloning vector is to increase DNA copies. An expression vector can be designed to produce gene product.
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What can lacZ disruption indicate in blue-white screening?
A. रिकॉम्बिनेंट cloneRecombinant clone
Insert lacZ gene को disrupt कर सकता है। इससे white colony बनकर recombinant clone का संकेत मिल सकता है। / An insert can disrupt the lacZ gene. This can produce a white colony indicating a recombinant clone.
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What does insertional inactivation mean?
A. Insert के कारण gene का काम बंद होनाGene function stops due to insert
Insert किसी marker gene में घुसकर उसकी activity रोक सकता है। इसे insertional inactivation कहते हैं। / An insert can enter a marker gene and stop its activity. This is called insertional inactivation.
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Which selection shows cells that took vector but does not confirm insert presence?
A. एंटीबायोटिक चयनAntibiotic selection
Antibiotic selection vector-containing cells चुनता है। Insert है या नहीं यह screening या confirmation से पता चलता है। / Antibiotic selection chooses vector-containing cells. Screening or confirmation tells whether insert is present.
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Which method can help confirm the presence of an insert?
A. Restriction digestion pattern देखनाChecking restriction digestion pattern
Restriction digestion से expected DNA fragment pattern दिख सकता है। इससे insert की presence का संकेत मिलता है। / Restriction digestion can show an expected DNA fragment pattern. This indicates insert presence.
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