1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Mitotic spindle is mainly composed of which protein?
A
Actin
B
Myosin
C
Tubulin
D
Myoglobin
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Best material for the study of mitosis in laboratory is
A
anther
B
root tip
C
leaf tip
D
ovary.
3
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
4
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
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