1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it ?
5' .............. GAATTC ................ 3'
3' .............. CTTAAG ................. 5'
A
Start codon at the 5' end
B
Replication completed
C
Deletion mutation
D
Palindromic sequence of base pairs
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
In genetic engineering, a DNA segment (gene) of interest,is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as a vecotr / vectors –
(A) a bacterium
(B) plasmid
(C) plasmodium
(D) bacteriophage
A
(B) and (D) only
B
(A) and (C) only
C
(A), (B) and (D) only
D
(A) only
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Stirred-tank bioreactors have been designed for –
A
Purification of the product
B
Availability of oxygen throughout the process
C
Ensuring anaerobic conditions in the culture vessel
D
Addition of preservatives to the product
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following are used in gene cloning ?
A
Mesosomes
B
Nucleoids
C
Lomasomes
D
Plasmids
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