Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 9 PCB Single Correct MCQ
Published on: August 14, 2026

Match the organism with its use in biotechnology.

Column-I

Column-II

(A)

Bacillus

thuringiensis

(I)

Cloning vector

(B)

Thermus

aquaticus

(II)

Construction of

first rDNA molecule

(C)

Agrobacterium

tumefaciens

(III)

DNA polymerase

(D)

Salmonella

typhimurium

(IV)

Cry proteins

Select the correct option from the following

A
→ (III), → (III), → (II), → (IV),
B
→ (II), → (IV), → (IV), → (III),
C
→ (IV), → (I), → (III), → (I),
D
→ (I)
→ (II)
→ (I)
→ (II)

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Text Solution

Verified by Experts
The correct answer is:
D

Bacillus thuringiensis produces the cry proteins, which are Bt toxins and have insecticidal properties.
The highly thermostable DNA polymerase from Thermus aquaticus is ideal for both manual and automated DNA sequencing because it is fast & highly processive and remains active during the high temperature-induced denaturation of double stranded DNA.
The tumor-inducing (Ti) plasmid of Agrobacterium tumifaciens has been modified into a cloning vector. It is used to deliver required genes into plants.
Salmonella typhimurium is used for construction of first recombinant DNA.

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