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

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

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

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
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12