1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
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Which of the following statements is incorrect?

A
A bio-reactor provides optimal growth conditions for achieving the desired product
B
Most commonly used bio-reactors are of stirring type
C
Bio-reactors are used to produce small scale bacterial cultures
D
Bio-reactors have an agitator system, an oxygen delivery system and foam control system
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The following diagram showing restriction sites in E. coli cloning vector pBR322. Find the role of ‘X’ and ‘Y’ genes :

NEET 2024 Biology - Biotechnology and It's Applications Question 3 English

A
The gene ‘X’ is responsible for resistance to antibiotics and ‘Y’ for protein involved in the replication of Plasmid.
B
The gene ‘X’ is responsible for controlling the copy number of the linked DNA and ‘Y’ for protein involved in the replication of Plasmid.
C
The gene ‘X’ is for protein involved in replication of Plasmid and ‘Y’ for resistance to antibiotics.
D
Gene ’X’ is responsible for recognitions sites and ‘Y’ is responsible for antibiotic resistance.
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
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Which of the following statement is incorrect about Agrobacterium tumifaciens?

A
It is used to deliver gene of interest in both prokaryotic as well as eukaryotic host cells.
B
'Ti' plasmid from Agrobacterium tumifaciens used for gene transfer is not pathogenic to plant cell.
C
It transforms normal plant cells into tumor cells.
D
It delivers 'T-DNA' into plant cell.
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following can act as molecular scissors?

A
Restriction enzymes
B
DNA ligase
C
RNA polymerase
D
DNA polymerase
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