1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?
A
Ligation
B
Annealing
C
Extension
D
Denaturation
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is :
A
Poly (A) tail sequences
B
Degenerate primer sequence
C
Okazaki sequences
D
Palindromic Nucleotide sequences
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
In gel electrophoresis, separated DNA fragments can be visualized with the help of
A
Ethidium bromide in infrared radiation
B
Ethidium bromide in UV radiation
C
Acetocarmine in bright blue light
D
Acetocarmine in UV radiation
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to
A
Insect predators
B
Insect pests
C
Fungal diseases
D
Plant nematodes
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12