1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Identify the incorrect statement related to gel electrophoresis.

A
Separated DNA fragments can be directly seen under UV radiation
B
Separated DNA can be extracted from gel piece
C
Fragment of DNA moves toward anode
D
Sieving effect of agarose gel helps in separation of DNA fragments
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I: In the lac operon, the z gene codes for beta-galactosidase which is primarily responsible for the hydrolysis of lactose into galactose and glucose.

Statement II: In addition to lactose, glucose or galactose can also induce lac operon.

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

A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Recombinant DNA molecule can be created normally by cutting the vector DNA and source DNA respectively with:

A
Hind II, Hind II
B
Hind II, Alu I
C
Hind II, EcoR I
D
Hind II, BamHI
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

The Bt toxin in genetically engineered Bt cotton kills the pest by:

A
Creating pores in the midgut
B
Damaging the respiratory system
C
Degenerating the nervous system
D
Altering the pH of body fluids
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