1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Amensalism can be represented as :
A
Species A (+) ; Species B (0)
B
Species A ($$-$$); Species B (0)
C
Species A (+); Species B (+)
D
Species A ($$-$$); Species B ($$-$$)
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which of the following is not an application of PCR (Polymerase Chain Reaction)?
A
Detection of gene mutation
B
Molecular diagnosis
C
Gene amplification
D
Purification of isolated protein
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?
A
Annealing, Denaturation, Extension
B
Denaturation, Annealing, Extension
C
Denaturation, Extension, Annealing
D
Extension, Denaturation, Annealing
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Match List-I with List-II.

List-I List-II
(a) Cells with active cell division capacity (i) Vascular tissues
(b) Tissue having all cells similar in structure and function (ii) Meristematic tissue
(c) Tissue having different types of cells (iii) Sclereids
(d) Dead cells with highly thickened walls and narrow lumen (iv) Simple tissue


Select the correct answer from the options given below.
A
(a) (b) (c) (d)
(iii) (ii) (iv) (i)
B
(a) (b) (c) (d)
(ii) (iv) (i) (iii)
C
(a) (b) (c) (d)
(iv) (iii) (ii) (i)
D
(a) (b) (c) (d)
(i) (ii) (iii) (iv)
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