Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 191-200 of 295 questions.
Which vector can be used for very large DNA inserts?
A. YAC
YAC बहुत बड़े DNA inserts carry करने के लिए जाना जाता है। इसे yeast based vector मानकर याद रखें। / YAC is known for carrying very large DNA inserts. Remember it as a yeast-based vector.
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Which vector is most linked with plant transformation?
A. Ti plasmid
Ti plasmid Agrobacterium के साथ plant transformation में उपयोगी है। इसे plant gene transfer vector के रूप में याद रखें। / Ti plasmid is useful with Agrobacterium in plant transformation. Remember it as a plant gene transfer vector.
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Which option is the correct group of core features of a cloning vector?
A. Ori selectable marker और cloning siteOri selectable marker and cloning site
Ori replication के लिए marker selection के लिए और cloning site insertion के लिए होती है। ये vector के basic parts हैं। / Ori is for replication marker is for selection and cloning site is for insertion. These are basic parts of a vector.
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Which option is the safest definition of a cloning vector?
A. विदेशी डीएनए को host में ले जाने वाला डीएनए वाहकA DNA carrier that takes foreign DNA into a host
Cloning vector foreign DNA को host में carry करता है। यह DNA cloning का basic vehicle है। / A cloning vector carries foreign DNA into a host. It is the basic vehicle of DNA cloning.
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What can be the main next lab step after insert cloning into a vector?
A. Transformation into host cell
Recombinant vector बनने के बाद उसे host cell में डाला जा सकता है। इसे transformation कहा जाता है। / After a recombinant vector is made it can be introduced into a host cell. This is called transformation.
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What is the best exam summary of Cloning Vectors topic?
A. Vectors DNA carriers हैं जिनमें ori marker और cloning site होते हैंVectors are DNA carriers with ori marker and cloning site
Cloning vectors DNA carriers हैं जो foreign DNA को host में replicate करवाते हैं। उनके core parts को functions के साथ याद करें। / Cloning vectors are DNA carriers that help foreign DNA replicate in a host. Remember their core parts with functions.
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A vector has ori but no selectable marker. What will be the main problem?
A. Transformed कोशिकाएँ चुनना कठिन होगाSelecting transformed cells will be difficult
Ori replication में मदद करता है लेकिन marker selection के लिए चाहिए। Marker न होने पर transformed cells पहचानना कठिन है। / Ori helps replication but a marker is needed for selection. Without a marker transformed cells are difficult to identify.
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A vector has a marker but no ori. What problem will occur in host?
B. Vector copies बनना कठिन होगाVector copy formation will be difficult
Ori vector replication के लिए जरूरी है। इसके बिना vector की copies नहीं बन पाएँगी। / Ori is required for vector replication. Without it vector copies will not be made.
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If a cloning site is inside a marker gene what may happen when insert enters?
A. Marker gene inactive हो सकता हैMarker gene can become inactive
Insert marker gene को disrupt कर सकता है। इसे insertional inactivation कहा जाता है। / An insert can disrupt a marker gene. This is called insertional inactivation.
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In blue-white selection what does a white colony generally indicate?
B. Recombinant clone हो सकता हैIt may be a recombinant clone
White colony lacZ disruption का संकेत हो सकती है। यह recombinant clone पहचानने में मदद करती है। / A white colony can indicate lacZ disruption. It helps identify a recombinant clone.
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