Biology Biotechnology Principles and Processes Statement Based Questions Single Correct MCQ
Published on: August 12, 2026

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A
The construction of the first recombinant DNA emerged from the possibility of linking a gene encoding antibiotic resistance with a native _____ of_____. - Plasmid, Salmonella typhimurium; - Plasmid, Salmonella typhimurium; - Chromosome, Salmonella typhimurium; - Plasmid, Salmonella typhimurium;
B
Hind II always cut DNA molecules at a particular point by recognising a specific sequence of ______ base pairs. This specific sequence is known as ______for Hind II. - Six, Recognition sequence, - Seven, Recognition sequence, - Six, Recognition sequence, - Six, Recognition sequence,
C
The ______ in DNA is a sequence of base that reads same on the two strands when orientation of reading is kept the same. - Palindrome, – Palindrome, – Palindrome, - Palindrome,
D
______, a pathogen of several dicot plants is able to deliver a piece of DNA known as ______to transform normal plant cells into tumor cells. – Agrobacterium tumifaciens, T-DNA - Agrobacterium tumifaciens, T-DNA -Agrobacterium tumifaciens, T-DNA – Agrobacterium tumifaciens, Z-DNA

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A

The first recombinant DNA was made by linking an antibiotic resistance gene with a native plasmid of Salmonella typhimurium.

Hind II recognizes a specific sequence of six base pairs, called the recognition sequence.

The sequence that reads the same on both strands in the same orientation is called a palindrome.

Agrobacterium tumefaciens delivers T-DNA into plant cells.

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