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1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the wrong statement with regard to Restriction Enzymes
A
Sticky ends can be joined by using DNA ligases.
B
They cut the strand of DNAat palindromic sites.
C
Each restriction enzyme functions by inspecting the length of a DNA sequence.
D
They are useful in genetic engineering
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The specific palindromic sequence which is recognized by EcoRl is
A
5’ - GGATCC - 3’
3’ - CCTAGG - 5’
B
5’ - GAATTC - 3’
3’ - CTTAAG - 5
C
5’ - GGAACC - 3’
3’ - CCTTGG - 5’
D
5’ - CTTAAG - 3’
3’ - GAATTC - 5’
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The sequence that controls the copy number of the linked DNA in the vector, is termed
A
Recognition site
B
Ori site
C
Selectable marker
D
Palindromic sequence
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the organism with its use in biotechnology

(a) Bacillus thuringiensis (i) Cloning vector
(b) Thermus aquaticus (ii) Construction of first rDNA molecule
(c) Agrobacterium tumefaciens (iii) DNA polymerase
(d) Salmonella typhimurium (iv) Cry proteins

Select the correct option from the following:
A
(A) $$ \to $$ (iii), (B) $$ \to $$ (iv), (C) $$ \to $$ (i), (D) $$ \to $$ (ii)
B
(A) $$ \to $$ (ii), (B) $$ \to $$ (iv), (C) $$ \to $$ (iii), (D) $$ \to $$ (i)
C
(A) $$ \to $$ (iv), (B) $$ \to $$ (iii), (C) $$ \to $$ (i), (D) $$ \to $$ (ii)
D
(A) $$ \to $$ (iii), (B) $$ \to $$ (ii), (C) $$ \to $$ (iv), (D) $$ \to $$ (i)
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