1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Select the two correct statements out of the four (a-d) statements given below about lac operon.
(a) Glucose or galactose may bind with the repressor and inactivate it
(b) In the absence of lactose the repressor binds with the operator region
(c) The z-gene codes for permease
(d) This was elucidated by Francois Jacob and Jacque Monod
The correct statements are :
A
(b) and (d)
B
(a) and (b)
C
(b) and (c)
D
(a) and (c)
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
A
Fourth month
B
Fifth month
C
Sixth month
D
Third month
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Sertoli cells are found in :
A
ovaries and secrete progesterone
B
adrenal cortex and secrete adrenaline
C
seminiferous tubules and provide nutrition to germ cells
D
pancreas and secrete cholecystokinin
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
In vitro fertilization is a technique that involves transfer of which one of the following into the fallopian tube?
A
Zygote only
B
Embryo only, upto 8 cell stage
C
Either zygote or early embryo upto 8 cell stage
D
Embryo of 32 cell stage