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

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
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the restriction endonuclease enzymes whose restriction sites are present for the tetracycline resistance (tet$$^{\mathrm{R}}$$) gene in the pBR322 cloning vector.

A
Bam HI and Sal I
B
Sal I and Pst I
C
Pst I and Pvu I
D
Pvu I and Bam HI
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following are correct about EcoRI?

A. Cut the DNA with blunt end

B. Cut the DNA with sticky end

C. Recognise a specific palindromic sequence

D. Cut the DNA between the base $$\mathrm{G}$$ and $$\mathrm{A}$$ when encounters the DNA sequence 'GAATTC'

E. Exonuclease

Choose the correct answer from the options given below:

A
B, C, E only
B
A, D, E only
C
A, C, D only
D
B, C, D only
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Following are the steps involved in the process of PCR.

A. Annealing

B. Amplification (~1 billion times)

C. Denaturation

D. Treatment with Taq polymerase and deoxynucleotides

E. Extension

Choose the correct sequence of steps of PCR from the options given below :

A
$$\mathrm{C} \rightarrow \mathrm{A} \rightarrow \mathrm{D} \rightarrow \mathrm{E} \rightarrow \mathrm{B}$$
B
$$\mathrm{A} \rightarrow \mathrm{B} \rightarrow \mathrm{E} \rightarrow \mathrm{D} \rightarrow \mathrm{C}$$
C
$$\mathrm{A} \rightarrow \mathrm{C} \rightarrow \mathrm{E} \rightarrow \mathrm{D} \rightarrow \mathrm{B}$$
D
$$\mathrm{D} \rightarrow \mathrm{B} \rightarrow \mathrm{E} \rightarrow \mathrm{C} \rightarrow \mathrm{A}$$
NEET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12