MarksRiser
MarksRiser
Zoology-Recombinant DNA

NEET Zoology Recombinant DNA MCQ Question

Type: MCQ-conceptual-Easy-Class 12

Which combination of statements about recombinant DNA technology is correct?

A

Restriction enzymes cut DNA at specific sequences, and ligase is used to join DNA fragments.

B

Only bacterial cells can take up recombinant DNA through transformation methods.

C

Agarose gel electrophoresis is used to separate DNA fragments based on their size, and smaller fragments move slower.

D

Micro-injection is a method used to introduce recombinant DNA into animal cells, while biolistics is used for plant cells.

Correct Answer

Option A

Detailed Explanation

Statement A is correct as restriction enzymes cut DNA at specific sequences, and ligase is needed to join the fragments. Statement C is incorrect since smaller fragments move faster in gel electrophoresis, while statements B and D are misleading in their respective contexts.

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