1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following is not a hereditary disease ?
A
Cretinism
B
Cystic fibrosis
C
Haemophilia
D
Thalasasemia
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
E. coli cells with a mustard z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because -
A
They cannot transport lactose from the medium into the cell
B
They cannot synthesize functional beta galactosidase
C
In the presence of glucose, E. coli cells do not utilize lactose
D
The lac operon is constitutively active in these cells
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Telomerase is an enzyme which is a -
A
RNA
B
Repetitive DNA
C
Simple protein
D
Ribonucleoprotein
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originates as adaptation. These imprints need to be used -
A
On plates with minimal medium
B
Only on plates with streptomycin
C
Only on plates without streptomycin
D
On plates with and without streptomycin
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12