1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
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
Change Language
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
Change Language
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
Change Language
The centriole undergoes duplication during :
A
G2 phase
B
S-phase
C
Prophase
D
Metaphase
EXAM MAP