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
Match List-I with List-II.

List-I List-II
(a) Metamerism (i) Coelenterata
(b) Canal system (ii) Ctenophora
(c) Comb plates (iii) Annelida
(d) Cnidoblasts (iv) Porifera


Choose the correct answer from the options given below.
A
(a) (b) (c) (d)
(iv) (i) (ii) (iii)
B
(a) (b) (c) (d)
(iv) (iii) (i) (ii)
C
(a) (b) (c) (d)
(iii) (iv) (i) (ii)
D
(a) (b) (c) (d)
(iii) (iv) (ii) (i)
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which one of the following is an example of Hormone releasing IUD?
A
Multiload 375
B
CuT
C
LNG 20
D
Cu 7
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The centriole undergoes duplication during :
A
G2 phase
B
S-phase
C
Prophase
D
Metaphase
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12