1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
If a diploid cell is treated with colchicine then it becomes : -
A
Tetraploid
B
Monoploid
C
Diploid
D
Triploid
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
What is the reason of formation of embryoid from pollen grain in tissue culture medium ?
A
Double fertilization
B
Test tube culture
C
Cellular totipotency
D
Organogenesis
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Spindle fibre unite with which structure of chromosomes?
A
Chromocentre
B
Chromomere
C
kinetochore
D
Centriole
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
In which stage of cell cycle, DNA replication occurs?
A
G1-phase
B
S-phase
C
G2-phase
D
M-phase
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