1
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Polymerase chain reaction (PCR) amplifies DNA following the equation.

A
$2 n+1$
B
$2 \mathrm{~N}^2$
C
$\mathrm{N}^2$
D
$2^n$
2
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Identify the part of a bio-reactor which is used as a foam braker from the given figure.

NEET 2025 Biology - Biotechnology: Principles and Processes Question 4 English

A
D
B
c
C
A
D
B
3
NEET 2025
MCQ (Single Correct Answer)
+4
-1

The blue and white selectable markers have been developed which differentiate recombinant colonies from nonrecombinant colonies on the basis of their ability to produce colour in the presence of a chromogenic substrate.

Given below are two statements about this method:

Statement I : The blue coloured colonies have DNA insert in the plasmid and they are identified as recombinant colonies.

Statement II : The colonies without blue colour have DNA insert in the plasmid and are identified as recombinant colonies.

In the light of the above statements, choose the most appropriate answer from the options given below:

A
Statement I is correct but Statement II is incorrect
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are correct
D
Both Statement I and Statement II are incorrect
4
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Silencing of specific mRNA is possible via RNAi because of

A
Complementary tRNA
B
Non-complementary ssRNA
C
Complementary dsRNA
D
Inhibitory ssRNA
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